/// <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)//已经改动过了现在是对指定多列后把相同信息合并

    {

        //int []arr = new int[cellNum.Length];

        //arr = cellNum;

        for (int num = 0; num < cellNum.Length; num++)

        {

            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[num]].Text == gvrNext.Cells[cellNum[num]].Text)

                    {

                        gvrNext.Cells[cellNum[num]].Visible = false;

                        rowSpanNum++;

                    }

                    else

                    {

                        gvr.Cells[cellNum[num]].RowSpan = rowSpanNum;

                        rowSpanNum = 1;

                        break;

                    }

                    if (i == GridView1.Rows.Count - 1)

                    {

                        gvr.Cells[cellNum[num]].RowSpan = rowSpanNum;

                    }

                }

            }

        }

    }