GridView 合并单元格

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/// <summary>

/// 合并GridView中某列相同信息的行（单元格）

/// </summary>

/// <param name="GridView1">GridView</param>

/// <param name="cellNum">第几列</param>

public static void GroupRows(GridView GridView1, int cellNum)
{

int i = 0, rowSpanNum = 1;

while (i < GridView1.Rows.Count - 1)
{
GridViewRow gvr = GridView1.Rows[i];

               for (++i; i < GridView1.Rows.Count; i++)
               {
                   GridViewRow gvrNext = GridView1.Rows[i];

                   if (gvr.Cells[cellNum].Text == gvrNext.Cells[cellNum].Text)
                   {
                       gvrNext.Cells[cellNum].Visible = false;
                       rowSpanNum++;
                   }

                   else
                   {
                       gvr.Cells[cellNum].RowSpan = rowSpanNum;
                       rowSpanNum = 1;
                       break;
                   }

                   if (i == GridView1.Rows.Count - 1)
                   {
                       gvr.Cells[cellNum].RowSpan = rowSpanNum;
                   }
               }
           }
       }

//正常换行
           GVbkdj.Attributes.Add("style", "word-break:keep-all;word-wrap:normal");
          //下面这行是自动换行
         //GVbkdj.Attributes.Add("style", "word-break:break-all;word-wrap:break-word");