gridView合并列和行

        合并单元格 合并某一行的所有列#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

        合并单元格 合并一行中的几列#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

        合并单元格 合并某一列所有行#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
        
        
        /**//// 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;//不然会把其他的挤走，造成行突出
                        rowSpanNum++;
                    }
                    else
                    {
                        gvr.Cells[cellNum].RowSpan = rowSpanNum;
                        rowSpanNum = 1;
                        break;
                    }

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