Gridview中合并单元格,某字段的内容相同时如何只显示一个,屏蔽相同列或行的内容（转）

Gridview中某字段的内容相同时如何只显示一个,屏蔽相同列或行的内容

 

    #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
    #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
    #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
    #region 合并单元格 合并某一列中的某些行
    /// <summary>
    /// 合并单元格 合并某一列中的某些行
    /// </summary>
    /// <param name="GridView1">GridView ID</param>
    /// <param name="cellNum">列</param>
    /// <param name="sRow">开始行</param>
    /// <param name="eRow">结束列</param>
    public static void GroupCol(GridView GridView1, int cols, int sRow, int eRow)
    {
        if (GridView1.Rows.Count < 1 || cols > GridView1.Columns.Count - 1)
        {
            return;
        }
        TableCell oldTc = GridView1.Rows[sRow].Cells[cols];
        for (int i = 1; i < eRow - sRow; i++)
        {
            TableCell tc = GridView1.Rows[sRow + i].Cells[cols];
            tc.Visible = false;
            if (oldTc.RowSpan == 0)
            {
                oldTc.RowSpan = 1;
            }
            oldTc.RowSpan++;
            oldTc.VerticalAlign = VerticalAlign.Middle;
        }
    }
    #endregion

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