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使用一个将指定行列的gridview横向纵向合并行列，实现多复杂表头样式
调用：
GridCommon.Unitelist(this.grid1, 4);
GridCommon.GroupCol(this.grid1, 4, dt.Columns.Count);
/// <summary>
/// 横向合并列
/// </summary>
public static void Unitelist(GridView gv, int rowIndex)
{
if (gv.Rows.Count < 1)
{
return;
}
TableRow tr;
for (int i = 0; i < rowIndex; i++)
{
tr = gv.Rows[i];
if (gv.Rows[i].Cells.Count < 1)
{
return;
}
TableCell otcell = gv.Rows[i].Cells[0];
otcell.BackColor = System.Drawing.Color.FromArgb(219, 234, 253); //System.Drawing.Color.Teal;
otcell.HorizontalAlign = HorizontalAlign.Center;
for (int j = 1; j < gv.Rows[i].Cells.Count; j++)
{
TableCell tcell = gv.Rows[i].Cells[j];
if (tcell.Text == otcell.Text)
{
tcell.Visible = false;
if (otcell.ColumnSpan == 0)
{
otcell.ColumnSpan = 1;
}
otcell.ColumnSpan++;
otcell.VerticalAlign = VerticalAlign.Middle;
otcell.HorizontalAlign = HorizontalAlign.Center;
otcell.BackColor = System.Drawing.Color.FromArgb(219, 234, 253); //System.Drawing.Color.Teal;213, 237, 249
otcell.Wrap = false;
}
else
{
otcell = tcell;
otcell.HorizontalAlign = HorizontalAlign.Center;
otcell.BackColor = System.Drawing.Color.FromArgb(219, 234, 253);//System.Drawing.Color.Teal;
}
}
}
}
/// <summary>
/// 纵向合并列
/// </summary>
/// <param name="gv">GridView</param>
/// <param name="colIndex">合并列的序号</param>
public static void GroupCol(GridView gv, int rowIndex, int CellIndex)
{
if (gv.Rows.Count < 1)
{
return;
}
TableRow tr;
for (int j = 0; j < CellIndex; j++)
{
TableRow oldTr = gv.Rows[0];
for (int i = 1; i < rowIndex; i++)
{
tr = gv.Rows[i];
if (oldTr.Cells[j].Text == tr.Cells[j].Text)
{
tr.Cells[j].Visible = false;
if (oldTr.Cells[j].RowSpan == 0)
{
oldTr.Cells[j].RowSpan = 1;
}
oldTr.Cells[j].RowSpan++;
oldTr.VerticalAlign = VerticalAlign.Middle;
}
else
{
oldTr = tr;
}
}
}
}
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原文地址：http://www.cnblogs.com/SharkLock-Chen/p/4713550.html
