Downloaded excel file is not showing in correct format

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Dear All,

I have a .aspx page where i have given a button control named download, on clicking download button it send an excel file to browser for download.On opening the excel it shows content properly.

As per my requirement i want fileupload control on the same page. I just dragged and dropped the fileupload control to design page and run the program. now when i download the excel and opens it,it shows the file is not in recognizable format.

if i removes the fileupload control, it works fine.
What can be the reason

Code on button click is as following

C#

protected void Button2_Click1(object sender, EventArgs e)
       {
           string filePath = Label117.Text;
           FileInfo file = new FileInfo(filePath);
           if (file.Exists)
           {
               Response.Clear();

               Response.ClearHeaders();

               Response.ClearContent();

               Response.AddHeader("Content-Disposition", "attachment; filename=" + file.Name);

               Response.AddHeader("Content-Length", file.Length.ToString());

               Response.ContentType = "application/vnd.xls";

               Response.Flush();

               Response.TransmitFile(file.FullName);

               Response.End();
           }
       }

Posted 24-Jul-13 22:13pm

mahakaal

Updated 24-Jul-13 23:33pm

v3

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RelicV · Answer 1 · 2013-07-25T00:55:00

Solution 1

Hi Mahakaal,

If you are sure that the extension is always in Excel format, then do the modification as follows:

Response.AddHeader("Content-Disposition", "attachment; filename=" + file.Name + ".XLS");

You are missing the Excel format tag at the end.

Let me know if this helped you or not.

Happy coding...:)

Thanks,
RelicV

Posted 25-Jul-13 0:55am

RelicV

Comments

mahakaal 25-Jul-13 7:25am

i did what you said but still the problem is same.

if i remove the fileupload control than it works fine.

Member 8488336 · Answer 2 · 2013-07-25T01:57:00

Solution 2

C#

Response.ContentType = "application/xls";

Posted 25-Jul-13 1:57am

Member 8488336

Comments

mahakaal 25-Jul-13 8:33am

dear i had already tried your solution but it's not working .

i have the solution to server my purpose.
which is as following if i simply use the below code instead of using the code mentioned in my problem

protected void Button2_Click1(object sender, EventArgs e)
{
string filePath = Label117.Text;
FileInfo file = new FileInfo(filePath);

if (file.Exists)
{

Response.Redirect("~/ExcelFiles/" + file.Name);

}

}

but i want to know why this problem is coming if i use previous mentioned code.