555 lines
28 KiB
C#
555 lines
28 KiB
C#
using BLL;
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using NPOI.SS.UserModel;
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using NPOI.SS.Util;
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using NPOI.XSSF.UserModel;
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using System;
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using System.Collections.Generic;
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using System.Data;
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using System.Data.SqlClient;
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using System.IO;
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using System.Linq;
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using System.Web;
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using System.Web.UI;
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namespace FineUIPro.Web.ContinuousPrint
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{
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public partial class HardnessCheckOrderPrint : PageBase
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{
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protected void Page_Load(object sender, EventArgs e)
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{
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if (!IsPostBack)
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{
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BindGrid();
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}
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}
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#region 绑定Grid1
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/// <summary>
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/// 绑定Grid1
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/// </summary>
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public void BindGrid()
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{
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var project = BLL.Base_ProjectService.GetOnProjectListByUserId(this.CurrUser.UserId, "1");
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if (!string.IsNullOrEmpty(txtProjectCode.Text))
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{
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project = project.Where(e => e.ProjectCode.Contains(txtProjectCode.Text.Trim())).ToList();
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}
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Grid1.RecordCount = project.Count;
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var table = this.GetPagedDataTable(Grid1, project);
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Grid1.DataSource = table;
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Grid1.DataBind();
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}
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#endregion
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#region 绑定Grid2
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/// <summary>
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/// 绑定Grid2
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/// </summary>
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public void BindGrid1(string ProjectId)
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{
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var str = string.Empty;
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//是否打印
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if (!string.IsNullOrEmpty(this.drpIsPrint.SelectedValue))
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{
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str += " and a.IsPrintTrust=" + this.drpIsPrint.SelectedValue + "";
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}
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string strSql = @"select a.HardTestReportId,a.HardTestReportCode,a.ProjectId,b.ProjectName,a.ISO_ID,a.TrustUnitId,a.TestDate,a.InstrumentType,a.HotProessState,a.SurfaceAppearance,a.TestMethod,a.ContractUnit,a.IsPrintReport,(case a.IsPrintReport when 1 then '已打印' else '未打印' end) as IsPrintReportName,(case a.IsPrintTrust when 1 then '已打印' else '未打印' end) as IsPrintTrustName from HJGL_CH_HardTestReport as a inner join Base_Project as b on a.ProjectId=b.ProjectId where a.ProjectId=@ProjectId" + str;
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List<SqlParameter> listStr = new List<SqlParameter>();
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listStr.Add(new SqlParameter("@ProjectId", ProjectId));
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SqlParameter[] parameter = listStr.ToArray();
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Grid2.DataSource = SQLHelper.GetDataTableRunText(strSql, parameter);
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Grid2.DataBind();
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Grid2.SelectAllRows();
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}
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#endregion
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#region 分页、排序
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/// <summary>
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/// 分页
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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protected void Grid1_PageIndexChange(object sender, GridPageEventArgs e)
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{
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Grid1.PageIndex = e.NewPageIndex;
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BindGrid();
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}
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/// <summary>
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/// 分页显示条数下拉框
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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protected void ddlPageSize_SelectedIndexChanged(object sender, EventArgs e)
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{
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Grid1.PageSize = Convert.ToInt32(ddlPageSize.SelectedValue);
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BindGrid();
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}
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/// <summary>
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/// 排序
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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protected void Grid1_Sort(object sender, FineUIPro.GridSortEventArgs e)
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{
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Grid1.SortDirection = e.SortDirection;
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Grid1.SortField = e.SortField;
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BindGrid();
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}
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#endregion
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#region 选择加载
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/// <summary>
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/// 选择加载
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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protected void Grid1_RowClick(object sender, GridRowClickEventArgs e)
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{
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BindGrid1(this.Grid1.SelectedRowID);
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}
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#endregion
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#region 私有方法
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/// <summary>
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/// 得到热处理类型
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/// </summary>
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/// <returns></returns>
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protected string ConvertProessTypes(object ProessTypes)
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{
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string proessTypes = string.Empty;
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if (ProessTypes != null)
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{
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proessTypes = BLL.HJGL_PW_JointInfoService.ConvertProessTypes(ProessTypes.ToString());
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}
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return proessTypes;
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}
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#endregion
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#region 关闭弹出窗口
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/// <summary>
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/// 关闭窗口
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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protected void Window1_Close(object sender, EventArgs e)
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{
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BindGrid();
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}
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#endregion
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#region 查询
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/// <summary>
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/// 查询
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/// </summary>
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protected void btnSubmit_Click(object sender, EventArgs e)
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{
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BindGrid();
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}
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/// <summary>
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/// 是否打印
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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protected void drpIsPrint_SelectedIndexChanged(object sender, EventArgs e)
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{
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BindGrid1(this.Grid1.SelectedRowID);
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}
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#endregion
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#region 打印焊接记录打印
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/// <summary>
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/// 打印焊接记录打印
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/// </summary>
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protected void btnPrint_Click(object sender, EventArgs e)
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{
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if (Grid2.SelectedRowIndexArray.Length <= 0)
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{
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Alert.ShowInTop("最少选中一行！", MessageBoxIcon.Warning);
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return;
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}
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string rootPath = Server.MapPath("~/") + Const.ExcelUrl;
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//导出文件
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string filePath = rootPath + DateTime.Now.ToString("yyyyMMddhhmmss") + "\\";
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if (!Directory.Exists(filePath))
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{
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Directory.CreateDirectory(filePath);
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}
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string ReportFileName = filePath + "out.xlsx";
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if (Grid2.Rows.Count > 0)
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{
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int rowIndex = 0;
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XSSFWorkbook hssfworkbook = new XSSFWorkbook();
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XSSFSheet ws = (XSSFSheet)hssfworkbook.CreateSheet("硬度检测委托单");
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#region 列宽
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ws.SetColumnWidth(0, (9 * 256) - 95);//(8.08)8.08
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ws.SetColumnWidth(1, (9 * 256) - 95);//(8.08)8.08
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ws.SetColumnWidth(2, (2 * 256) - 95);//(6.08)6.08
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ws.SetColumnWidth(3, (11 * 256) - 95);//(10.08)10.08
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ws.SetColumnWidth(4, (8 * 256) - 15);//(14.33)14.25
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ws.SetColumnWidth(5, (9 * 256) + 15);//(20.55)20.5
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ws.SetColumnWidth(6, (9 * 256) - 95);//(8.08)8.08
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ws.SetColumnWidth(7, (9 * 256) - 95);//(8.08)8.08
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ws.SetColumnWidth(8, (1 * 256) - 95);//(8.08)8.08
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ws.SetColumnWidth(9, (9 * 256) - 95);//(8.08)8.08
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ws.SetColumnWidth(10, (7 * 256) - 95);//(8.08)8.08
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ws.SetColumnWidth(11, (5 * 256) + 100);//(4.83)4.83
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ws.SetColumnWidth(12, (13 * 256) + 200);//(12.17)12.17
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#endregion
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for (int gi = 0; gi < Grid2.Rows.Count; gi++)
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{
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if (Grid2.SelectedRowIndexArray.Contains(gi))
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{
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System.Web.UI.WebControls.HiddenField hidHardTestReportId = Grid2.Rows[gi].FindControl("hidHardTestReportId") as System.Web.UI.WebControls.HiddenField;
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System.Web.UI.WebControls.HiddenField hidProjectName = Grid2.Rows[gi].FindControl("hidProjectName") as System.Web.UI.WebControls.HiddenField;
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//打印赋值
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Model.HJGL_CH_HardTestReport report = BLL.HJGL_CH_HardTestReportService.GetCH_HardTestReportByID(hidHardTestReportId.Value);
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if (report != null)
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{
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report.IsPrintTrust = true;
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report.PrintTrustDate = DateTime.Now;
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report.TrustName = report.HotHardCode + "-" + string.Format("{0:yyyy-MM-dd}", DateTime.Now);
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BLL.HJGL_CH_HardTestReportService.UpdateCH_HardTestReport(report);
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}
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//头部
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var listTitleStr = new List<SqlParameter>();
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listTitleStr.Add(new SqlParameter("@HardTestReportId", hidHardTestReportId.Value));
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SqlParameter[] titleparameter = listTitleStr.ToArray();
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var tbTitle = SQLHelper.GetDataTableRunProc("HJGL_spCH_HardTestReport", titleparameter);
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//列表
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var listStr = new List<SqlParameter>();
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listStr.Add(new SqlParameter("@HardTestReportId", hidHardTestReportId.Value));
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SqlParameter[] parameter = listStr.ToArray();
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var tb = SQLHelper.GetDataTableRunProc("HJGL_spCH_HardTestReportItemDistinct2", parameter);
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if (tb.Rows.Count > 0 && tbTitle.Rows.Count > 0)
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{
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CellRangeAddress region;
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//尾页面总数
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var pageNum = 0d;
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//尾部增加行
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var endaddNum = 0;
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//公共样式
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ICellStyle style = CommonPrint.SetExcelStyle(hssfworkbook, BorderStyle.Thin, BorderStyle.Thin, BorderStyle.Thin, BorderStyle.Thin, VerticalAlignment.Center, HorizontalAlignment.Center, 10, true);
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//文字靠左左侧无边框
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ICellStyle styleFontLeft = CommonPrint.SetExcelStyle(hssfworkbook, BorderStyle.Thin, BorderStyle.None, BorderStyle.Thin, BorderStyle.Thin, VerticalAlignment.Center, HorizontalAlignment.Left, 10, true);
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//文字靠左右边无边框
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ICellStyle styleRightNoneFontLeft = CommonPrint.SetExcelStyle(hssfworkbook, BorderStyle.Thin, BorderStyle.Thin, BorderStyle.None, BorderStyle.Thin, VerticalAlignment.Center, HorizontalAlignment.Left, 10, true);
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//头部样式
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ICellStyle styleTou = CommonPrint.SetExcelStyle(hssfworkbook, BorderStyle.Thin, BorderStyle.Thin, BorderStyle.Thin, BorderStyle.Thin, VerticalAlignment.Center, HorizontalAlignment.Center, 16, true, true);
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//计算页
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//pageNum =
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//tb.Rows.Count <= 11 ? 1
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//: (tb.Rows.Count > 11 && tb.Rows.Count <= 27) ? 2
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//: Math.Ceiling((float)(tb.Rows.Count - 27) / 16) + 2;
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//CellRangeAddress region;
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pageNum = tb.Rows.Count < 27 ? 1
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: Math.Ceiling((float)(tb.Rows.Count - 27) / 38) + 1;
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//循环页
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for (int i = 1; i <= pageNum; i++)
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{
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//取数据开始和结束条数
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var dStart = 0;
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var dEnd = 0;
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//excel数据开始行和结束行
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var tStart = 0;
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var tEnd = 0;
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#region 头部和每页数据参数
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//第一页和第二页需要创建头
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if (i == 1)
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{
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//尾部增加行
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//endaddNum = 8;
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//创建头部行和列
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ws = ExcelCreateRowTitle(ws, hssfworkbook, rowIndex, rowIndex + 7, style, 0, 12);
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//取数据开始和结束条数
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dStart = 0;
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dEnd = 27;
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//excel数据开始行和结束行
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tStart = rowIndex + 8;
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tEnd = rowIndex + 35;
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#region 头部
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//行1
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region = new CellRangeAddress(rowIndex, rowIndex + 1, 0, 2);
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ws.AddMergedRegion(region);
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ws.GetRow(rowIndex).GetCell(0).SetCellValue("");
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region = new CellRangeAddress(rowIndex, rowIndex + 1, 3, 8);
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ws.AddMergedRegion(region);
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ws.GetRow(rowIndex).GetCell(3).SetCellValue("硬度检测委托单");
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ws.GetRow(rowIndex).GetCell(3).CellStyle = styleTou;
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region = new CellRangeAddress(rowIndex, rowIndex, 9, 10);
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ws.AddMergedRegion(region);
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ws.GetRow(rowIndex).GetCell(9).SetCellValue("工程名称：");
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region = new CellRangeAddress(rowIndex, rowIndex, 11, 12);
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ws.AddMergedRegion(region);
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ws.GetRow(rowIndex).GetCell(10).CellStyle = styleRightNoneFontLeft;
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ws.GetRow(rowIndex).GetCell(11).SetCellValue(hidProjectName.Value);
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ws.GetRow(rowIndex).GetCell(11).CellStyle = styleFontLeft;
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//行2
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region = new CellRangeAddress(rowIndex + 1, rowIndex + 1, 9, 10);
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ws.AddMergedRegion(region);
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ws.GetRow(rowIndex + 1).GetCell(9).SetCellValue("单位工程名称：");
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region = new CellRangeAddress(rowIndex + 1, rowIndex + 1, 11, 12);
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ws.AddMergedRegion(region);
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ws.GetRow(rowIndex + 1).GetCell(10).CellStyle = styleRightNoneFontLeft;
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ws.GetRow(rowIndex + 1).GetCell(11).SetCellValue("管道安装工程");
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ws.GetRow(rowIndex + 1).GetCell(11).CellStyle = styleFontLeft;
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//行3
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region = new CellRangeAddress(rowIndex + 2, rowIndex + 2, 0, 1);
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ws.AddMergedRegion(region);
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ws.GetRow(rowIndex + 2).GetCell(0).SetCellValue("检测单位");
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region = new CellRangeAddress(rowIndex + 2, rowIndex + 2, 2, 5);
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ws.AddMergedRegion(region);
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ws.GetRow(rowIndex + 2).GetCell(2).SetCellValue("广东华泰检测科技有限公司");
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region = new CellRangeAddress(rowIndex + 2, rowIndex + 2, 6, 7);
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ws.AddMergedRegion(region);
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ws.GetRow(rowIndex + 2).GetCell(6).SetCellValue("委托单编号");
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region = new CellRangeAddress(rowIndex + 2, rowIndex + 2, 8, 12);
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ws.AddMergedRegion(region);
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ws.GetRow(rowIndex + 2).GetCell(8).SetCellValue(tbTitle.Rows[0]["HotHardCode"].ToString());
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//行4
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region = new CellRangeAddress(rowIndex + 3, rowIndex + 3, 0, 1);
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ws.AddMergedRegion(region);
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ws.GetRow(rowIndex + 3).GetCell(0).SetCellValue("接收人");
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region = new CellRangeAddress(rowIndex + 3, rowIndex + 3, 2, 5);
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ws.AddMergedRegion(region);
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ws.GetRow(rowIndex + 3).GetCell(2).SetCellValue("");
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region = new CellRangeAddress(rowIndex + 3, rowIndex + 3, 6, 7);
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ws.AddMergedRegion(region);
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ws.GetRow(rowIndex + 3).GetCell(6).SetCellValue("检件名称");
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region = new CellRangeAddress(rowIndex + 3, rowIndex + 3, 8, 12);
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ws.AddMergedRegion(region);
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ws.GetRow(rowIndex + 3).GetCell(8).SetCellValue("管道焊缝");
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//行5
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region = new CellRangeAddress(rowIndex + 4, rowIndex + 4, 0, 1);
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ws.AddMergedRegion(region);
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ws.GetRow(rowIndex + 4).GetCell(0).SetCellValue("检测数量");
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region = new CellRangeAddress(rowIndex + 4, rowIndex + 4, 2, 5);
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ws.AddMergedRegion(region);
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ws.GetRow(rowIndex + 4).GetCell(2).SetCellValue(tb.Rows.Count.ToString());
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region = new CellRangeAddress(rowIndex + 4, rowIndex + 4, 6, 7);
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ws.AddMergedRegion(region);
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ws.GetRow(rowIndex + 4).GetCell(6).SetCellValue("表面质量");
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region = new CellRangeAddress(rowIndex + 4, rowIndex + 4, 8, 12);
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ws.AddMergedRegion(region);
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ws.GetRow(rowIndex + 4).GetCell(8).SetCellValue("合格");
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//行6
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region = new CellRangeAddress(rowIndex + 5, rowIndex + 5, 0, 1);
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ws.AddMergedRegion(region);
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ws.GetRow(rowIndex + 5).GetCell(0).SetCellValue("检测时机");
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region = new CellRangeAddress(rowIndex + 5, rowIndex + 5, 2, 5);
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ws.AddMergedRegion(region);
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ws.GetRow(rowIndex + 5).GetCell(2).SetCellValue("");
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region = new CellRangeAddress(rowIndex + 5, rowIndex + 5, 6, 7);
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ws.AddMergedRegion(region);
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ws.GetRow(rowIndex + 5).GetCell(6).SetCellValue("检测标准");
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region = new CellRangeAddress(rowIndex + 5, rowIndex + 5, 8, 12);
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ws.AddMergedRegion(region);
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ws.GetRow(rowIndex + 5).GetCell(8).SetCellValue(tbTitle.Rows[0]["TestStandard"].ToString());
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//行7
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region = new CellRangeAddress(rowIndex + 6, rowIndex + 6, 0, 1);
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ws.AddMergedRegion(region);
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ws.GetRow(rowIndex + 6).GetCell(0).SetCellValue("检测比例");
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region = new CellRangeAddress(rowIndex + 6, rowIndex + 6, 2, 3);
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ws.AddMergedRegion(region);
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ws.GetRow(rowIndex + 6).GetCell(2).SetCellValue("100%");
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region = new CellRangeAddress(rowIndex + 6, rowIndex + 6, 4, 5);
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ws.AddMergedRegion(region);
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ws.GetRow(rowIndex + 6).GetCell(4).SetCellValue("检测方法");
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region = new CellRangeAddress(rowIndex + 6, rowIndex + 6, 6, 7);
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ws.AddMergedRegion(region);
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ws.GetRow(rowIndex + 6).GetCell(6).SetCellValue("布氏硬度");
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region = new CellRangeAddress(rowIndex + 6, rowIndex + 6, 8, 10);
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ws.AddMergedRegion(region);
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ws.GetRow(rowIndex + 6).GetCell(8).SetCellValue("合格值");
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region = new CellRangeAddress(rowIndex + 6, rowIndex + 6, 11, 12);
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ws.AddMergedRegion(region);
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ws.GetRow(rowIndex + 6).GetCell(11).SetCellValue("≤200");
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//行8
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region = new CellRangeAddress(rowIndex + 7, rowIndex + 7, 0, 0);
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ws.GetRow(rowIndex + 7).GetCell(0).SetCellValue("序号");
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region = new CellRangeAddress(rowIndex + 7, rowIndex + 7, 1, 4);
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ws.AddMergedRegion(region);
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ws.GetRow(rowIndex + 7).GetCell(1).SetCellValue("设备部位/管线编号");
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region = new CellRangeAddress(rowIndex + 7, rowIndex + 7, 5, 6);
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ws.AddMergedRegion(region);
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ws.GetRow(rowIndex + 7).GetCell(5).SetCellValue("材质");
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region = new CellRangeAddress(rowIndex + 7, rowIndex + 7, 7, 9);
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ws.AddMergedRegion(region);
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ws.GetRow(rowIndex + 7).GetCell(7).SetCellValue("规格mm");
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region = new CellRangeAddress(rowIndex + 7, rowIndex + 7, 10, 11);
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ws.AddMergedRegion(region);
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ws.GetRow(rowIndex + 7).GetCell(10).SetCellValue("焊口号");
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region = new CellRangeAddress(rowIndex + 7, rowIndex + 7, 12, 12);
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ws.GetRow(rowIndex + 7).GetCell(12).SetCellValue("备注");
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#endregion
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}
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else
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{
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var pNum = (i - 1) * 38;
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//取数据开始和结束条数
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dStart = 27 + ((i - 2) * 38);
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dEnd = 27 + pNum;
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//数据开始行和结束行
|
||
tStart = rowIndex;
|
||
tEnd = rowIndex + 38;
|
||
}
|
||
#endregion
|
||
|
||
#region 数据
|
||
//创建数据行和列
|
||
ws = ExcelCreateRow(ws, hssfworkbook, tStart, tEnd, style, 0, 12);
|
||
////获取当前页数据
|
||
var pageTb = GetPageToTable(tb, dStart, dEnd);
|
||
////遍历数据
|
||
for (int j = 0; j < pageTb.Rows.Count; j++)
|
||
{
|
||
int dataRow = tStart + j;
|
||
ws.GetRow(dataRow).GetCell(0).SetCellValue(pageTb.Rows[j]["Number"].ToString());
|
||
ws.GetRow(dataRow).GetCell(1).SetCellValue(pageTb.Rows[j]["ISO_IsoNo"].ToString());
|
||
ws.GetRow(dataRow).GetCell(5).SetCellValue(pageTb.Rows[j]["STE_Code"].ToString());
|
||
ws.GetRow(dataRow).GetCell(7).SetCellValue(pageTb.Rows[j]["JOT_JointDesc"].ToString());
|
||
ws.GetRow(dataRow).GetCell(10).SetCellValue(pageTb.Rows[j]["JOT_JointNo"].ToString());
|
||
ws.GetRow(dataRow).GetCell(12).SetCellValue(pageTb.Rows[j]["RemarkStr"].ToString());
|
||
}
|
||
#endregion
|
||
|
||
rowIndex = tEnd + 2;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
ws.SetMargin(MarginType.LeftMargin, 0.6);
|
||
ws.SetMargin(MarginType.RightMargin, 0.2);
|
||
//ws.SetMargin(MarginType.BottomMargin, 1);
|
||
//ws.SetMargin(MarginType.TopMargin, 1);
|
||
ws.PrintSetup.Landscape = true;
|
||
ws.PrintSetup.PaperSize = 9;
|
||
|
||
ws.ForceFormulaRecalculation = true;
|
||
using (FileStream filess = File.OpenWrite(ReportFileName))
|
||
{
|
||
hssfworkbook.Write(filess);
|
||
}
|
||
FileInfo filet = new FileInfo(ReportFileName);
|
||
Response.Clear();
|
||
Response.Charset = "GB2312";
|
||
Response.ContentEncoding = System.Text.Encoding.UTF8;
|
||
// 添加头信息，为"文件下载/另存为"对话框指定默认文件名
|
||
Response.AddHeader("Content-Disposition", "attachment; filename=" + Server.UrlEncode("硬度检测委托单.xlsx"));
|
||
// 添加头信息，指定文件大小，让浏览器能够显示下载进度
|
||
Response.AddHeader("Content-Length", filet.Length.ToString());
|
||
// 指定返回的是一个不能被客户端读取的流，必须被下载
|
||
Response.ContentType = "application/ms-excel";
|
||
// 把文件流发送到客户端
|
||
Response.WriteFile(filet.FullName);
|
||
// 停止页面的执行
|
||
Response.End();
|
||
}
|
||
}
|
||
#endregion
|
||
|
||
#region 私有方法
|
||
|
||
/// <summary>
|
||
/// 行和列
|
||
/// </summary>
|
||
/// <returns></returns>
|
||
private XSSFSheet ExcelCreateRowTitle(XSSFSheet ws, XSSFWorkbook hssfworkbook, int sRows, int eRows, ICellStyle style, int cStart, int cEnd)
|
||
{
|
||
for (int i = sRows; i <= eRows; i++)
|
||
{
|
||
ws.CreateRow(i);
|
||
ws.GetRow(i).HeightInPoints = i == sRows ? 30
|
||
: i == (sRows + 1) ? 27 :
|
||
i == (sRows + 2) ? 28 : 24;
|
||
|
||
for (int j = cStart; j <= cEnd; j++)
|
||
{
|
||
ws.GetRow(i).CreateCell(j);
|
||
ws.GetRow(i).GetCell(j).CellStyle = style;
|
||
}
|
||
}
|
||
return ws;
|
||
}
|
||
|
||
/// <summary>
|
||
/// 数据行
|
||
/// </summary>
|
||
/// <returns></returns>
|
||
private XSSFSheet ExcelCreateRow(XSSFSheet ws, XSSFWorkbook hssfworkbook, int sRows, int eRows, ICellStyle style, int cStart, int cEnd)
|
||
{
|
||
CellRangeAddress region;
|
||
for (int i = sRows; i <= eRows; i++)
|
||
{
|
||
ws.CreateRow(i);
|
||
ws.GetRow(i).HeightInPoints = 24f;
|
||
for (int j = cStart; j <= cEnd; j++)
|
||
{
|
||
ws.GetRow(i).CreateCell(j);
|
||
ws.GetRow(i).GetCell(j).CellStyle = style;
|
||
}
|
||
region = new CellRangeAddress(i, i, 1, 4);
|
||
ws.AddMergedRegion(region);
|
||
region = new CellRangeAddress(i, i, 5, 6);
|
||
ws.AddMergedRegion(region);
|
||
region = new CellRangeAddress(i, i, 7, 9);
|
||
ws.AddMergedRegion(region);
|
||
region = new CellRangeAddress(i, i, 10,11);
|
||
ws.AddMergedRegion(region);
|
||
|
||
}
|
||
return ws;
|
||
}
|
||
|
||
|
||
/// <summary>
|
||
/// 查询指定条数分页
|
||
/// </summary>
|
||
/// <returns></returns>
|
||
public static DataTable GetPageToTable(DataTable dt, int StartNum, int EndNum)
|
||
{
|
||
//0页代表每页数据，直接返回
|
||
if (EndNum == 0) return dt;
|
||
//数据源为空返回空DataTable
|
||
if (dt == null) return new DataTable();
|
||
|
||
DataTable newdt = dt.Copy();
|
||
newdt.Clear();//copy dt的框架
|
||
|
||
if (StartNum >= dt.Rows.Count)
|
||
return newdt;//源数据记录数小于等于要显示的记录，直接返回dt
|
||
|
||
if (EndNum > dt.Rows.Count)
|
||
EndNum = dt.Rows.Count;
|
||
for (int i = StartNum; i <= EndNum - 1; i++)
|
||
{
|
||
DataRow newdr = newdt.NewRow();
|
||
DataRow dr = dt.Rows[i];
|
||
foreach (DataColumn column in dt.Columns)
|
||
{
|
||
newdr[column.ColumnName] = dr[column.ColumnName];
|
||
}
|
||
newdt.Rows.Add(newdr);
|
||
}
|
||
return newdt;
|
||
}
|
||
|
||
#endregion
|
||
}
|
||
} |