Basf_EProject/EProject/FineUIPro.Web/EditorManage/LessonsLearnedOut.aspx.cs

using BLL;
using System;
using System.Collections.Generic;
using System.Data;
using System.Data.SqlClient;
using System.Linq;
using System.Text;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace FineUIPro.Web.EditorManage
{
    public partial class LessonsLearnedOut : PageBase
    {
        #region 加载
        /// <summary>
        /// 加载页面
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                ddlPageSize.SelectedValue = Grid1.PageSize.ToString();
                // 绑定表格
                BindGrid();
            }
        }

        /// <summary>
        /// 绑定数据
        /// </summary>
        private void BindGrid()
        {
            string strSql = @"SELECT lessonsLearned.LessonsLearnedId, 
                                     lessonsLearned.EProjectId, 
                                     lessonsLearned.Id, 
                                     lessonsLearned.JobNo, 
                                     lessonsLearned.PostBy, 
                                     lessonsLearned.EntryDate, 
                                     lessonsLearned.AppliedDiscip, 
                                     lessonsLearned.Stage, 
                                     lessonsLearned.Keyword, 
                                     lessonsLearned.Description, 
                                     lessonsLearned.RootCause, 
                                     lessonsLearned.LessonLearned,
                                     eproject.ProjectControl_JobNo
                                FROM Editor_LessonsLearned as lessonsLearned left join Editor_EProject as eproject on eproject.EProjectId = lessonsLearned.EProjectId WHERE 1=1 ";
            List<SqlParameter> listStr = new List<SqlParameter>();
            if (!string.IsNullOrEmpty(this.txtJobNo.Text.Trim()))
            {
                strSql += " AND eproject.ProjectControl_JobNo like @jobNo ";
                listStr.Add(new SqlParameter("@jobNo", "%" + this.txtJobNo.Text.Trim() + "%"));
            }
            SqlParameter[] parameter = listStr.ToArray();
            DataTable tb = SQLHelper.GetDataTableRunText(strSql, parameter);
            // 2.获取当前分页数据
            //var table = this.GetPagedDataTable(Grid1, tb1);
            Grid1.RecordCount = tb.Rows.Count;
            var table = this.GetPagedDataTable(Grid1, tb);
            Grid1.DataSource = table;
            Grid1.DataBind();
        }
        #endregion        

        #region 分页、排序
        /// <summary>
        /// 分页
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Grid1_PageIndexChange(object sender, GridPageEventArgs e)
        {
            Grid1.PageIndex = e.NewPageIndex;
            BindGrid();
        }

        /// <summary>
        /// 分页显示条数下拉框
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void ddlPageSize_SelectedIndexChanged(object sender, EventArgs e)
        {
            Grid1.PageSize = Convert.ToInt32(ddlPageSize.SelectedValue);
            BindGrid();
        }

        /// <summary>
        /// 排序
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Grid1_Sort(object sender, FineUIPro.GridSortEventArgs e)
        {
            Grid1.SortDirection = e.SortDirection;
            Grid1.SortField = e.SortField;
            BindGrid();
        }
        #endregion

        #region 查询
        /// <summary>
        /// 查询
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void DropDownList_SelectedIndexChanged(object sender, EventArgs e)
        {
            BindGrid();
        }
        #endregion

        #region 导出
        /// <summary>
        /// 导出按钮
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void btnExport_Click(object sender, EventArgs e)
        {
            Response.ClearContent();
            string filename = Funs.GetNewFileName();
            Response.AddHeader("content-disposition", "attachment; filename=" + System.Web.HttpUtility.UrlEncode("LessonsLearned" + filename, System.Text.Encoding.UTF8) + ".xls");
            Response.ContentType = "application/excel";
            Response.ContentEncoding = System.Text.Encoding.UTF8;
            this.Grid1.PageSize = 100000;
            BindGrid();
            Response.Write(GetGridTableHtml(Grid1));
            Response.End();
        }

        /// <summary>
        /// 导出方法
        /// </summary>
        /// <param name="grid"></param>
        /// <returns></returns>
        private string GetGridTableHtml(Grid grid)
        {
            StringBuilder sb = new StringBuilder();
            grid.PageSize = 10000;
            BindGrid();
            sb.Append("<meta http-equiv=\"content-type\" content=\"application/excel; charset=UTF-8\"/>");
            sb.Append("<table cellspacing=\"0\" rules=\"all\" border=\"1\" style=\"border-collapse:collapse;\">");
            sb.Append("<tr>");
            foreach (GridColumn column in grid.Columns)
            {
                sb.AppendFormat("<td>{0}</td>", column.HeaderText);
            }
            sb.Append("</tr>");
            foreach (GridRow row in grid.Rows)
            {
                sb.Append("<tr>");
                foreach (GridColumn column in grid.Columns)
                {
                    string html = row.Values[column.ColumnIndex].ToString();
                    //if (column.ColumnID == "tfNumber")
                    //{
                    //    html = (row.FindControl("labNumber") as AspNet.Label).Text;
                    //}
                    sb.AppendFormat("<td>{0}</td>", html);
                }

                sb.Append("</tr>");
            }

            sb.Append("</table>");

            return sb.ToString();
        }
        #endregion
    }
}