合并GridView列

在GridView合并列的方法

/// <summary>
        /// 合并GridView列
        /// </summary>
        /// <param name="gvMerge">合并的GridView ID</param>
        /// <param name="cellNum">合并的列</param>
        public static void GroupRows(GridView gvMerge, int cellNum)
        {
                int i = 0, rowSpanNum = 1;
                while (i < gvMerge.Rows.Count - 1)
                {
                        ///GridViewRow 定义GridViewRow行
                        GridViewRow gvr = gvMerge.Rows[i];
                        for (++i; i < gvMerge.Rows.Count; i++)
                        {
                                ///合并RowSpanNum    
                                GridViewRow gvrNext = gvMerge.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 == gvMerge.Rows.Count - 1)
                                {
                                        gvr.Cells[cellNum].RowSpan = rowSpanNum;
                                }
                        }
                }
        }