问题描述:有一个GridView,需要把里面的内容导出到EXCEL里。GridView里有checkbox控件。现在在导出得时候系统报错(F5调试,设断点),错误提示如下:“只能在执行 Render() 的过程中调用 RegisterForEventValidation;”。个人认为是checkbox引起的,但不知道怎么解决。请大家指点下。导出的代码如下:
private void ToExcel( GridView gvToExcel )
{
Response.ClearContent();
Response.AddHeader( "content-disposition", "attachment; filename=QDL" + DateTime.Now.ToString( "yyyyMMdd" ) + ".xls" );
Response.Charset = "gb2312";
Response.ContentType = "application/excel";
StringWriter sw = new StringWriter();
HtmlTextWriter htw = new HtmlTextWriter( sw );
gvToExcel.AllowPaging = false;
DataBound();
gvToExcel.RenderControl( htw ); 错误出在这一行
Response.Write( sw.ToString() );
Response.End();
gvToExcel.AllowPaging = true;
DataBound();
}
public override void VerifyRenderingInServerForm( Control control )
{
}