合并GridView的标头

/// <summary>
    /// 合并操作标头
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected void gvData_RowCreated(object sender, GridViewRowEventArgs e)
    {
        switch (e.Row.RowType)
        {
            case DataControlRowType.Header:
                TableCellCollection tcHeader = e.Row.Cells;
                tcHeader.Clear();
                tcHeader.Add(new TableHeaderCell());
                tcHeader[0].Text = "序号";
                tcHeader.Add(new TableHeaderCell());
                tcHeader[1].Text = "门店编号";
                tcHeader.Add(new TableHeaderCell());
                tcHeader[2].Text = "门店名称";
                tcHeader.Add(new TableHeaderCell());
                tcHeader[3].Text = "门店地址";
                tcHeader.Add(new TableHeaderCell());
                tcHeader[4].Text = "店长";
                tcHeader.Add(new TableHeaderCell());
                tcHeader[5].Text = "联系电话";
                tcHeader.Add(new TableHeaderCell());
                tcHeader[6].Text = "创建时间";
                tcHeader.Add(new TableHeaderCell());
                tcHeader[7].Text = "备注";
                tcHeader.Add(new TableHeaderCell());
                tcHeader[8].Attributes.Add("colspan", "2");
                tcHeader[8].Text = "操作";
                break;
        }
    }

来源：https://www.cnblogs.com/wuhuisheng/archive/2011/04/14/2015673.html