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    copied!<p>For data exporting to xls I use this code. It's written in Visual Basic, but I think it will work for you. Copy - Paste and after that just feed it a DataTable and it will work it's magic.</p> <pre><code>Public Shared Sub DataTableToExcelResponse(dt as DataTable, filename as String) HttpContext.Current.Response.Clear(); HttpContext.Current.Response.ContentType = "application/vnd.ms-excel" HttpContext.Current.Response.AppendHeader("Content-Disposition", "attachment; filename="+filename) HttpContext.Current.Response.Write(DataTableToExcel(dt)) HttpContext.Current.Response.End End Sub Public Shared Function DataTableToExcel(dt As DataTable) As String Dim responseWriter As new StringWriter() responseWriter.Write("&lt;html&gt;") responseWriter.Write("&lt;head&gt;&lt;meta http-equiv=""Content-Type"" content=""text/html"" charset=""UTF-8"" /&gt;&lt;/head&gt;") responseWriter.Write("&lt;style&gt;") responseWriter.Write("table.download{border-collapse:collapse;}") responseWriter.Write("table.tr{vertical-align:top;}") responseWriter.Write("table.th{text-align:left; font-weight:bold;}") responseWriter.Write("table.td{}") responseWriter.Write("&lt;/style&gt;") responseWriter.Write("&lt;body&gt;") responseWriter.Write("&lt;table class='download' border='1'&gt;") responseWriter.Write("&lt;tr&gt;") For Each dc As DataColumn In dt.Columns responseWriter.Write("&lt;th class='download'&gt;") responseWriter.Write(dc.ColumnName) responseWriter.Write("&lt;/th&gt;") Next responseWriter.Write("&lt;/tr&gt;") For Each dr As DataRow In dt.Rows responseWriter.Write("&lt;tr class='download'&gt;") For i As Integer=0 to dt.Columns.Count-1 Step 1 If dt.Columns(i).DataType.ToString()="System.String" Then responseWriter.Write("&lt;td class='download' style='mso-number-format:\@;'&gt;") responseWriter.Write(dr(i).ToString()) ElseIf dt.Columns(i).DataType.ToString()="System.DateTime" Then responseWriter.Write("&lt;td class='download' style='mso-number-format:""dd\/mm\/yyyy"";'&gt;") Try responseWriter.Write(CType(dr(i),DateTime).ToString("dd/MMM/yyyy")) Catch ex As Exception responseWriter.Write(dr(i).ToString()) End Try Else responseWriter.Write("&lt;td&gt;") responseWriter.Write(dr(i).ToString()) End If responseWriter.Write("&lt;/td&gt;") Next responseWriter.Write("&lt;/tr&gt;") Next responseWriter.Write("&lt;/table&gt;") responseWriter.Write("&lt;/body&gt;") responseWriter.Write("&lt;/html&gt;") Return responseWriter.ToString() End Function </code></pre>
 

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