when I click on it my file doesn't open properly enter image description here
string filePath = (sender as LinkButton).CommandArgument;
Response.ContentType = ContentType;
// Response.AppendHeader("Content-Disposition", "attachment; filename=" + Path.GetFileName(filePath));
Response.AddHeader("Content-Disposition", "inline; filename"+Path.GetFileName(filePath)+".pdf");
Response.WriteFile(filePath);
Response.End();
}