I am using below code to generate pdf of the invoice in asp.net. this code runs properly with one grid view in the panel but when i desigened the aspx page. and when i run the page it gives me error that "input string was not in correct format"
Code for generating pdf from aspx page using <asp:Panel> control
string attachment = "attachment; filename=" + "abc" + ".doc";
Response.ClearContent();
Response.AddHeader("content-disposition", attachment);
Response.ContentType = "application/doc";
StringWriter s_tw = new StringWriter();
HtmlTextWriter h_textw = new HtmlTextWriter(s_tw);
h_textw.AddStyleAttribute("font-size", "7pt");
h_textw.AddStyleAttribute("color", "Black");
Panel1.RenderControl(h_textw);//Name of the Panel
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