a simple Contact Us form

hi

i'm trying to build a simple  form and i do not understand why it's not working for me

here is my ui code :

 1 <asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" runat="Server">
2 <div>
3 <p>
4 <asp:TextBox ID="txtSubject" runat="server" Columns="50" />
5 </p Go to the complete details ...