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Hi Everyone,
I have the below code to export the data into excel 2003 format:
protected void lnkbtnExport_Click(object sender, EventArgs e)
        ExcelHead.Visible = true;     
        string fileName = "attachment;filename= UserProdReport_" + DateTime.Now.ToString("dd-MM-yyyy-hh-mm-ss") + ".xls";
        Response.AddHeader("content-disposition", fileName);
        Response.Charset = "";
        Response.ContentType = "application/excel";
        System.IO.StringWriter stringWrite = new System.IO.StringWriter();
        System.Web.UI.HtmlTextWriter htmlWrite = new HtmlTextWriter(stringWrite);
        ExcelHead.Visible = false;
Now I want to export the same into excel 2007 format.. Please anyone give me an idea.
Posted 9-Mar-11 0:39am
Edited 9-Mar-11 18:25pm
Sandeep Mewara at 9-Mar-11 6:44am
Did you try to Google it?
Raj.rcr at 9-Mar-11 7:03am
I tried.. but not getting the solution as I need...
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Solution 1

Try this -
Response.ContentType = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";


Please vote and mark the answer as accepted if this helps
Raj.rcr at 9-Mar-11 13:45pm
This is not working.. I had tried the same before posting this question over here..
rajivpande86 at 9-Mar-11 15:48pm
And did you also change the filename extension?
Raj.rcr at 10-Mar-11 0:18am
Yes, for the first time I had changed with this contrnt type.. It didnt work. Then I removed the extension..
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Solution 2

For .xlsx discussions:[^]
For .xls you get more than enough here
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Solution 3

Raj.rcr at 9-Mar-11 14:00pm
hi, you have given the link for 2003 format. I want it for 2007 format..
E$w@r at 9-Mar-11 14:06pm
Try this free one
E$w@r at 9-Mar-11 14:18pm
Change FileName, Header & Content Type like Here,
string fileName = "attachment;filename= UserProdReport_" + DateTime.Now.ToString("dd-MM-yyyy-hh-mm-ss") + ".xlsx";
Response.AddHeader("content-disposition","attachment;filename="+ fileName);
Response.ContentType = "application/vnd.xlsx";
Try this way.
Raj.rcr at 10-Mar-11 0:24am
I tried this also. An error says:
"Excel cannot open the file 'UserProdReport_10-03-2011-10-24-44.xlsx' because the file
format or file extension is not valid. Verify that the file has not been
corrupted and that the file extension matches the format of the file.

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