With ASP.NET upload a file on the server is very easy.With FileUpload control we can easily upload a file on the server.Following markup is required. < form id ="form1" runat ="server" > < asp:FileUpload id ="FileUploadControl" runat ="server" /> < asp:Button runat ="server" id ="btnupload" text ="Upload" onclick =" btnupload _Click" /> < asp:Label runat ="server" id ="lblstatus" /> </ form > Here is the CodeBehind code required to handle upload a file on the server. protected void btnupload _Click( object sender, EventArgs e) { if (FileUploadControl.HasFile) { try { string filename = Path.GetFileName(FileUploadControl.FileName); FileUploadControl.SaveAs(Server.MapPath( " ~/ " ) + filename); lblstatus .Text = " Upload status: Fi...