Use response.write within AJAX Update Panel

Hi.

if you want to use Page.Responce.Write in updatepanle you must register it with ScriptManager Register method.

Regards.

you can use it like this:

ScriptManager.RegisterStartupScript(Me,Me.GetType,"key", "open('" + filename + "');", True)

Thanks You, You Have Saved My Day...

Hi,

I'm getting a similar error when trying to export a gridview to an excel spreadsheet within an updatepanel.

here is the code below ;

Protected Sub Export2Excel()

Response.Clear()
Response.AddHeader("content-disposition", "attachment;filename=TestExcel.xls")
Response.Charset = ""

'If you want the option to open the Excel file without saving than
'comment out the line below
Response.Cache.SetCacheability(HttpCacheability.NoCache)
Response.ContentType = "application/vnd.xls"

Dim stringWrite As System.IO.StringWriter = New System.IO.StringWriter()
Dim htmlWrite As System.Web.UI.HtmlTextWriter = New HtmlTextWriter(stringWrite)

Try
Results_GridView.RenderControl(htmlWrite)
Response.Write(stringWrite.ToString)
Catch ex As Exception
End Try

Response.End()

End Sub