How to create a PDF File in C#

FileStream fs=new FileStream(name,FileMode.Create,FileAccess.Write);

StreamWriter sw=new StreamWriter(fs,System.Text.Encoding.GetEncoding("gb2312"));

sw.WriteLine("Hello World");

sw.Close();

// If inside of a page:

Response.AddHeader("Content-Disposition", "attachment; filename=" + Server.UrlEncode(name));
Response.ContentType = "application/pdf";

Response.WriteFile(name);
Response.End();