ZHJA_HJGL/HJGL_ZH/FineUIPro.Web/WeldMat/Stock/StockSelect.aspx.cs

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

namespace FineUIPro.Web.WeldMat.Stock
{
    public partial class StockSelect : PageBase
    {
        #region 加载页面
        /// <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();
                this.drpWeldType.DataTextField = "WeldTypeName";
                this.drpWeldType.DataValueField = "WeldTypeId";
                this.drpWeldType.DataSource = BLL.WeldTypeService.GetWeldTypeList();
                this.drpWeldType.DataBind();
                Funs.FineUIPleaseSelect(this.drpWeldType);

                // 绑定表格
                BindGrid();
            }
        }

        /// <summary>
        /// 绑定数据
        /// </summary>
        private void BindGrid()
        {
            string strSql = @" SELECT v.WeldId, weld.WeldCode, weld.WeldName,weld.WeldSpec,wType.WeldTypeName,wType.WeldUnit,
                                     (CASE WHEN weld.ConvertValue>0
                                           THEN v.RemainingAmount*weld.ConvertValue 
                                           ELSE v.[Weight] END) AS RemainingAmount,
                                     (CASE WHEN weld.ConvertValue>0
                                           THEN v.RecycleAmount*weld.ConvertValue 
                                           ELSE NULL END) AS RecycleAmount
                                 FROM                
                                     (SELECT stockIn.WeldId, (SUM(ISNULL(stockIn.Amount,0))-SUM(ISNULL(stockIn.UsingAmount,0)))AS RemainingAmount,SUM(stockIn.[Weight]) AS [Weight],
									         SUM(ISNULL(stockIn.RecycleAmount,0)) AS RecycleAmount               
                                      FROM dbo.Weld_StockIn stockIn
                                      GROUP BY stockIn.WeldId)v
                                      LEFT JOIN dbo.Weld_WeldInfo AS weld ON weld.WeldId=v.WeldId
                                      LEFT JOIN dbo.Weld_WeldType AS wType ON wType.WeldTypeId = weld.WeldTypeId 
                                 WHERE 1=1";
            List<SqlParameter> listStr = new List<SqlParameter>();
            
            if (!string.IsNullOrEmpty(this.txtWeldName.Text.Trim()))
            {
                strSql += " AND weld.WeldName LIKE @WeldName";
                listStr.Add(new SqlParameter("@WeldName", "%" + this.txtWeldName.Text.Trim() + "%"));
            }

            if (drpWeldType.SelectedValue != BLL.Const._Null)
            {
                strSql += " AND weld.WeldTypeId = @WeldTypeId";
                listStr.Add(new SqlParameter("@WeldTypeId", drpWeldType.SelectedValue));
            }
            SqlParameter[] parameter = listStr.ToArray();
            DataTable tb = SQLHelper.GetDataTableRunText(strSql, parameter);

            Grid1.RecordCount = tb.Rows.Count;
            tb = GetFilteredTable(Grid1.FilteredData, tb);
            var table = this.GetPagedDataTable(Grid1, tb);
            Grid1.DataSource = table;
            Grid1.DataBind();
        }
        #endregion

        #region 表头过滤
        protected void Grid1_FilterChange(object sender, EventArgs e)
        {
            BindGrid();
        }
        #endregion

        #region 页索引改变事件
        /// <summary>
        /// 页索引改变事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Grid1_PageIndexChange(object sender, GridPageEventArgs e)
        {
            Grid1.PageIndex = e.NewPageIndex;
            BindGrid();
        }
        #endregion

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

        #region 分页选择下拉改变事件
        /// <summary>
        /// 分页选择下拉改变事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void ddlPageSize_SelectedIndexChanged(object sender, EventArgs e)
        {
            Grid1.PageSize = Convert.ToInt32(ddlPageSize.SelectedValue);
            BindGrid();
        }
        #endregion

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

        protected void drpWeldType_SelectedIndexChanged(object sender, EventArgs e)
        {
            BindGrid();
        }

        #endregion

        #region 查看明细
        /// <summary>
        /// 双击Grid事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Grid1_RowDoubleClick(object sender, GridRowClickEventArgs e)
        {
            btnMenuView_Click(null, null);
        }

        /// <summary>
        /// 查看初始化明细
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void btnMenuView_Click(object sender, EventArgs e)
        {
            if (Grid1.SelectedRowIndexArray.Length == 0)
            {
                Alert.ShowInTop("请至少选择一条记录！", MessageBoxIcon.Warning);
                return;
            }
            string id = Grid1.SelectedRowID;
            if (!string.IsNullOrEmpty(id))
            {
                PageContext.RegisterStartupScript(Window1.GetShowReference(String.Format("StockSelectDetail.aspx?WeldId={0}", id, "编辑 - ")));
            }
        }
        #endregion

        #region 导出按钮
        /// 导出按钮
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void btnOut_Click(object sender, EventArgs e)
        {
            Response.ClearContent();
            string filename = Funs.GetNewFileName();
            Response.AddHeader("content-disposition", "attachment; filename=" + System.Web.HttpUtility.UrlEncode("库存查询" + filename, System.Text.Encoding.UTF8) + ".xls");
            Response.ContentType = "application/excel";
            Response.ContentEncoding = System.Text.Encoding.UTF8;
            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();
            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>");
            this.Grid1.PageSize = 10000;
            BindGrid();
            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("lblNumber") as AspNet.Label).Text;
                    }
                    sb.AppendFormat("<td>{0}</td>", html);
                }

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

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

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