学步园

View Code 
 using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Web;
 using System.Web.UI.WebControls;
 /// <summary>
 ///GridviewProcess 处理Griedview合并
 /// </summary>
 public class GridviewProcess
 {
     public GridviewProcess()
     {
         //
         //TODO: 在此处添加构造函数逻辑
         //
     }
     #region 合并单元格 合并某一行的所有列
     ///　 <summary>　 
     ///　 合并GridView中某行相同信息的行（单元格） 
     ///　 </summary>　 
     ///　 <param　 name="GridView1">GridView对象</param>　 
     ///　 <param　 name="cellNum">需要合并的行</param> 
     public static void GroupRow(GridView GridView1, int rows)
     {
         TableCell oldTc = GridView1.Rows[rows].Cells[0];
         for (int i = 1; i < GridView1.Rows[rows].Cells.Count; i++)
         {
             TableCell tc = GridView1.Rows[rows].Cells[i];　 //Cells[0]就是你要合并的列 
             if (oldTc.Text == tc.Text)
             {
                 tc.Visible = false;
                 if (oldTc.ColumnSpan == 0)
                 {
                     oldTc.ColumnSpan = 1;
                 }
                 oldTc.ColumnSpan++;
                 oldTc.VerticalAlign = VerticalAlign.Middle;
             }
             else
             {
                 oldTc = tc;
             }
         }
     }
     #endregion
     #region 合并单元格 合并一行中的几列
     /// <summary> 
     /// 合并单元格 合并一行中的几列 
     /// </summary> 
     /// <param name="GridView1">GridView ID</param> 
     /// <param name="rows">行</param> 
     /// <param name="sCol">开始列</param> 
     /// <param name="eCol">结束列</param> 
     public static void GroupRow(GridView GridView1, int rows, int sCol, int eCol)
     {
         TableCell oldTc = GridView1.Rows[rows].Cells[sCol];
         for (int i = 1; i < eCol - sCol; i++)
         {
             TableCell tc = GridView1.Rows[rows].Cells[i + sCol];　 //Cells[0]就是你要合并的列 
             tc.Visible = false;
             if (oldTc.ColumnSpan == 0)
             {
                 oldTc.ColumnSpan = 1;
             }
             oldTc.ColumnSpan++;
             oldTc.VerticalAlign = VerticalAlign.Middle;
         }
     }
     #endregion
     #region 合并单元格 合并某一列所有行
     /// <summary> 
     /// 合并GridView中某列相同信息的行（单元格） 
     /// </summary> 
     /// <param name="GridView1"></param> 
     /// <param name="cellNum"></param> 
     public static void GroupCol(GridView GridView1, int cols)
     {
         if (GridView1.Rows.Count < 1 || cols > GridView1.Rows[0].Cells.Count - 1)
         {
             return;
         }
         TableCell oldTc = GridView1.Rows[0].Cells[cols];
         for (int i = 1; i < GridView1.Rows.Count; i++)
         {
             TableCell tc = GridView1.Rows[i].Cells[cols];
             if (oldTc.Text == tc.Text)
             {
                 tc.Visible = false;
                 if (oldTc.RowSpan == 0)
                 {
                     oldTc.RowSpan = 1;
                 }
                 oldTc.RowSpan++;
                 oldTc.VerticalAlign = VerticalAlign.Middle;
             }
             else
             {
                 oldTc = tc;
             }
         }
     }
     #endregion
     #region 合并单元格 合并某一列中的某些行
     /// <summary> 
     /// 合并单元格 合并某一列中的某些行 
     /// </summary> 
     /// <param name="GridView1">GridView ID</param> 
     /// <param name="cellNum">列</param> 
     /// <param name="sRow">开始行</param> 
     /// <param name="eRow">结束列</param> 
     public static void GroupCol(GridView GridView1, int cols, int sRow, int eRow)
     {
         if (GridView1.Rows.Count < 1 || cols > GridView1.Columns.Count - 1)
         {
             return;
         }
         TableCell oldTc = GridView1.Rows[sRow].Cells[cols];
         for (int i = 1; i < eRow - sRow; i++)
         {
             TableCell tc = GridView1.Rows[sRow + i].Cells[cols];
             tc.Visible = false;
             if (oldTc.RowSpan == 0)
             {
                 oldTc.RowSpan = 1;
             }
             oldTc.RowSpan++;
             oldTc.VerticalAlign = VerticalAlign.Middle;
         }
     }
     #endregion
 }