guan yu pai ke xi tong de ruan jian

				 1 /// 
				 2 /// 合并GridView中某列相同信息的行（单元格） 
				 3 /// 
				 4 /// GridView
				 5 /// 第几列
				 6 public static void GroupRows(GridView GridView1, int cellNum)
				 7 {
				 8     int i = 0, rowSpanNum = 1;
				 9     while (i < GridView1.Rows.Count - 1)
				10     {
				11         GridViewRow gvr = GridView1.Rows[i];
				12 
				13         for (++i; i < GridView1.Rows.Count; i++)
				14         {
				15             GridViewRow gvrNext = GridView1.Rows[i];
				16             if (gvr.Cells[cellNum].Text == gvrNext.Cells[cellNum].Text)
				17             {
				18                 gvrNext.Cells[cellNum].Visible = false;
				19                 rowSpanNum++;
				20             }
				21             else
				22             {
				23                 gvr.Cells[cellNum].RowSpan = rowSpanNum;
				24                 rowSpanNum = 1;
				25                 break;
				26             }
				27 
				28             if (i == GridView1.Rows.Count - 1)
				29             {
				30                 gvr.Cells[cellNum].RowSpan = rowSpanNum;
				31             }
				32         }
				33     }
				34 }
				35 
				36 
				
				
				
				
				
				
				
				
				
				
				1        合并多列#region 合并多列
				2        /**//// 
				3        /// GridView合并
				4        /// 
				5        /// GridView
				6        /// 起始列Index
				7        /// 结束列Index
				8        public static void MergeGridViewRows(GridView gdv, int startColumnIndex, int endColumnIndex)
				9        {
				10            if (gdv == null || endColumnIndex < startColumnIndex || gdv.Rows.Count < 2)
				11                return;
				12            if (startColumnIndex < 0 || endColumnIndex > gdv.Columns.Count - 1)
				13                throw new ArgumentOutOfRangeException("列Index超出GridView可用列的范围。");
				14             EndColumnIndex = endColumnIndex;
				15             MergeCellWithSubColumn(gdv, 0, 0, gdv.Rows.Count - 1);
				16         }
				17        private static int EndColumnIndex = 0;
				18
				19        /**//// 
				20        /// 合并当前列和后续列
				21        /// 
				22        /// 当前列
				23        /// 起始行
				24        /// 结束行
				25        /// 
				26        private static void MergeCellWithSubColumn(GridView gdv, int currentColumnIndex, int startRowIndex, int endRowIndex)
				27        {
				28            if (currentColumnIndex > EndColumnIndex)//结束递归
				29                return;
				30            string preValue = GetCellValue(gdv,startRowIndex, currentColumnIndex);
				31            string curValue = string.Empty;
				32            int endIndex = startRowIndex;
				33            for (int i = startRowIndex + 1; i 				34            {
				35                if (i == endRowIndex + 1)
				36                     curValue = null;//完成最后一次合并
				37                else
				38                     curValue = GetCellValue(gdv, i, currentColumnIndex);
				39                if (curValue != preValue)
				40                {
				41                    //合并当前列
				42                     MergeColumnCell(gdv, currentColumnIndex, endIndex, i - 1);
				43                    //合并后续列
				44                     MergeCellWithSubColumn(gdv, currentColumnIndex + 1, endIndex, i - 1);
				45                     endIndex = i;
				46                     preValue = curValue;
				47                 }
				48             }
				49         }
				50