Internet Explorer unable to read Excel stream


C

Christian W Larsen

I want to export a datagrid to Excel. Here is the code:

[after datagrid databind]


Response.Clear();


Response.Buffer = true;
Response.AddHeader("content-disposition",
"attachment;filename=FileName.xls");
Response.ContentType = "application/vnd.ms-excel";
Response.Charset = "";
Response.Cache.SetCacheability(HttpCacheability.NoCache);
System.IO.StringWriter stringWrite = new
System.IO.StringWriter();
System.Web.UI.HtmlTextWriter htmlWrite = new
HtmlTextWriter(stringWrite);
DataGrid1.RenderControl(htmlWrite);
Response.Write(stringWrite.ToString());
Response.End();


When I open the page with Internet Explorer I get this:


Internet Explorer cannot download [file name] from [server name]
Internet Explorer was not able to open this Internet site. The
requested site is either unavailable or cannot be found. Please try
again later.


The funny thing: it works with Firefox - no problems at all.
Mime types on IIS are ok.
 
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G

George Ter-Saakov

You might have to add the ContentLength header.

PS: Are you using it with https? Some IE versions had a bug with https and
content-disposition tag. Google it.

George.
 

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