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  • 在GRIDVIEW中合并单元格

    //   <summary> 
        ///   合并GridView列中相同的行 
        ///   </summary> 
        ///   <param   name="GridView1">GridView对象</param> 
        ///   <param   name="cellNum">需要合并的列</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;
                    }
                }
            }
        }

        ///   <summary> 
        ///   根据条件列合并GridView列中相同的行 
        ///   </summary> 
        ///   <param   name="GridView1">GridView对象</param> 
        ///   <param   name="cellNum">需要合并的列</param>
        ///   ///   <param   name="cellNum2">条件列(根据某条件列还合并)</param>
        public static void GroupRows(GridView GridView1, int cellNum, int cellNum2)
        {
            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 + gvr.Cells[cellNum2].Text == gvrNext.Cells[cellNum].Text + gvrNext.Cells[cellNum2].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;
                    }
                }
            }
        }

    第二个方法只是在第一个方法的修改了一点点, 在判断单元格的时候,加上了一个条件列:

    if (gvr.Cells[cellNum].Text + gvr.Cells[cellNum2].Text == gvrNext.Cells[cellNum].Text + gvrNext.Cells[cellNum2].Text)。当然,第二个方法还可以扩展,根据多个列的条件来合并。

     

    http://www.cnblogs.com/xjb/archive/2007/12/18/1004203.html

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  • 原文地址:https://www.cnblogs.com/chen110xi/p/2526762.html
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