C#GridViewMergeCell合并

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using System;using System.Collections.Generic;using System.Linq;using System.Web;using System.Data;using System.Web.UI.WebControls;
idViewMergeCell{    public GridViewMergeCell()    {        //        //TODO: 在此处添加构造函数逻辑        //    }    #region 合并单元格 合并某一行的所有列    public static void GroupRow(GridView gridView)    {        for (int rowIndex = gridView.Rows.Count - 2; rowIndex >= 0; rowIndex--)        {            GridViewRow row = gridView.Rows[rowIndex];            GridViewRow previousRow = gridView.Rows[rowIndex + 1];            for (int i = 0; i < row.Cells.Count; i++)            {                if (row.Cells[i].Text == previousRow.Cells[i].Text)                {                    row.Cells[i].RowSpan = previousRow.Cells[i].RowSpan < 2 ? 2 :                                           previousRow.Cells[i].RowSpan + 1;                    previousRow.Cells[i].Visible = false;                }            }        }    }    ///  <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 gridView, int rows)    {        TableCell oldTc = gridView.Rows[rows].Cells[0];        for (int i = 1; i < gridView.Rows[rows].Cells.Count; i++)        {            TableCell tc = gridView.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 gridView, int rows, int sCol, int eCol)    {        TableCell oldTc = gridView.Rows[rows].Cells[sCol];        for (int i = 1; i < eCol - sCol; i++)        {            TableCell tc = gridView.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 gridView, int cols)    {        if (gridView.Rows.Count < 1 || cols > gridView.Rows[0].Cells.Count - 1)        {            return;        }        TableCell oldTc = gridView.Rows[0].Cells[cols];        for (int i = 1; i < gridView.Rows.Count; i++)        {            TableCell tc = gridView.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 gridView, int cols, int sRow, int eRow)    {        if (gridView.Rows.Count < 1 || cols > gridView.Columns.Count - 1)        {            return;        }        TableCell oldTc = gridView.Rows[sRow].Cells[cols];        for (int i = 1; i < eRow - sRow; i++)        {            TableCell tc = gridView.Rows[sRow + i].Cells[cols];            tc.Visible = false;            if (oldTc.RowSpan == 0)            {                oldTc.RowSpan = 1;            }            oldTc.RowSpan++;            oldTc.VerticalAlign = VerticalAlign.Middle;        }    }    #endregion}
转载出处:<a target=_blank href="http://blog.csdn.net/xinshi9608/archive/2010/06/02/5642382.aspx" style="text-decoration: none; color: rgb(40, 100, 70); font-family: simsun; font-size: 14px; line-height: 21px; background-color: rgb(229, 231, 231);">http://blog.csdn.net/xinshi9608/archive/2010/06/02/5642382.aspx</a>
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