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POFormat error while exporting to excel from gridview in asp.net
 

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    <p>I Tried a few solutions mentioned in the site like <code>Using System.Microsoft.Office.Excel</code> and <code>Excel = System.Microsoft.Office.Excel</code>, but it dint work.... Here, I'm trying to get the data in a table and download to a file in the specified location in the server in .xls format and then giving the users a link to download the file. this is the code for export `</p> <pre><code>protected void btnExcelExport_Click(object sender, EventArgs e) { System.Text.StringBuilder sb = new System.Text.StringBuilder(); using (StringWriter sw = new StringWriter(sb)) { using( HtmlTextWriter htw = new HtmlTextWriter(sw)) { // Create a form to contain the grid Table table = new Table(); // get gridlines from gridview table.GridLines = GridView2.GridLines; if (GridView2.HeaderRow != null) { table.Rows.Add(GridView2.HeaderRow); } foreach (GridViewRow row in GridView2.Rows) { table.Rows.Add(row); } if (GridView2.FooterRow != null) { table.Rows.Add(GridView2.FooterRow); } // render the table into the htmlwriter table.RenderControl(htw); } var myRootPath = Server.MapPath("~"); var docPath = Path.GetFullPath(Path.Combine(myRootPath, "/Compare/c.xls")); File.WriteAllText(docPath, sw.ToString()); } dwndlink.Visible = true; } </code></pre> <p>And when this is code for linkbutton: </p> <pre><code> protected void dwnlink(object sender, EventArgs e) { var webRootPath = Server.MapPath("~"); var docPath = Path.GetFullPath(Path.Combine(webRootPath, "/Compare/c.xls")); string name = Path.GetFileName(docPath); Response.AppendHeader("content-disposition", "attachment; filename=" + name); Response.ContentType = "Application/vnd.ms-excel"; Response.TransmitFile(docPath); Response.End(); } </code></pre> <p>so when the user opens the downloaded file, gives a warning as its not in the same extension. Why is this happening..?? </p> <p>I tried working with the solutions provided in various sites, but to no avail...</p> <p>Thanks</p>
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Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

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Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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