this is the aspx page.And what is the CS code for it to save on sumbit button in sqldatabase? plzzz help me

<table>
<tr><td>First Name:</td><td><asp:TextBox ID="txtfirstname" runat="server"></asp:TextBox></td></tr>
<tr><td>Last Name:</td><td><asp:TextBox ID="txtlastname" runat="server"></asp:TextBox></td></tr>
<tr><td>Sex:</td><td><asp:RadioButton ID="rdbtnmale" Text="Male" runat="server" /> <asp:RadioButton ID="rdbtnfemale" Text="Female" runat="server"/></td></tr>
<tr><td>Email:</td><td><asp:TextBox ID="txtemail" runat="server"></asp:TextBox></td></tr>
<tr><td>Password:</td><td><asp:TextBox ID="txtpassword" runat="server"></asp:TextBox></td></tr>
<tr><td>Mobile:</td><td><asp:TextBox ID="txtmobile" runat="server"></asp:TextBox></td></tr>
<tr><td>User:</td><td><asp:CheckBox ID="chkactive" Text="Active" runat="server" /> <asp:CheckBox ID="chkdeactive" Text="Deactive" runat="server" /></td></tr>
<tr><td><asp:Button ID="btnSumbit" Text="Sumbit" runat="server"
        onclick="btnSumbit_Click" /></td><td><asp:Button ID="btnReset" runat="server" Text="Reset" /> <asp:HyperLink ID="hprlnkviewregmember" Text="View Registration Member" runat="server"></asp:HyperLink></td></tr>

</table>