How to write a dateset into a new excel file of 2007 but not 2003

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Hi all,

Can anyone tell me how to generate a new excel 2007 file from a dataset directly.
I have used a piece of code, but it its generating the excel file in old 2003 format.

My Code is:

C#

public void ExportDataSetToExcel(DataSet ds, string filename)
{
    HttpResponse response = HttpContext.Current.Response;

    response.Clear();
    response.Charset = "";

    response.ContentType = "application/vnd.ms-excel";
    response.AddHeader("Content-Disposition", "attachment;filename=\"" + filename + "\"");

    StringWriter sw = new StringWriter();
    HtmlTextWriter htw = new HtmlTextWriter(sw);

    // instantiate a datagrid
    DataGrid dg = new DataGrid();
    dg.DataSource = ds.Tables[0];

    dg.DataBind();
    dg.RenderControl(htw);
    response.Write(sw.ToString());
    response.End();
}

Thanks in advance...

Posted 8-Feb-12 23:25pm

Venkat_C6

Updated 9-Feb-12 0:32am

André Kraak

v2

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André Kraak 9-Feb-12 6:33am

Edited question:
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2 solutions

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Prashant Srivastava LKO · Answer 1 · 2012-02-08T23:45:00

hi dude,

For this you need to install 2007 Microsoft Tool then this will code will convert the data set into excel

In your page directive put EnableEventValidation=false

C#

public void ExportGridExel()
            {
                  string attachment = "attachment; filename=EstablishmentAllotmentDetail.xls";
                  Response.ClearContent();
                  Response.AddHeader("content-disposition", attachment);
                  Response.ContentType = "application/ms-excel";
                  StringWriter sw = new StringWriter();
                  HtmlTextWriter htw = new HtmlTextWriter(sw);
                  HtmlForm frm = new HtmlForm();
                  if (trAllotmentDetail.Visible == true)
                  {
                        pnlGrid.Parent.Controls.Add(frm);
                        frm.Controls.Add(pnlGrid);
                  }
                  if (trAllotmentDetailDivision.Visible == true)
                  {
                        pnlDivision.Parent.Controls.Add(frm);
                        frm.Controls.Add(pnlDivision);
                  }
                  frm.Attributes["runat"] = "server";
                  frm.RenderControl(htw);
                  Response.Write(sw.ToString());
                  Response.End();
            }

public override void VerifyRenderingInServerForm(Control control)
      {
            /* Verifies that the control is rendered */
   }

Venkat_C6 · Answer 2 · 2012-02-09T00:29:00

Solution 2

By following the below link we can get the code of writing dataset into a excel 2007 file.

www.mikesknowledgebase.com/pages/CSharp/ExportToExcel.htm

Posted 9-Feb-12 0:29am