im new to asp.net. i created a login.aspx page. but i dont know how to write the code for login.aspx.cs page using the windows authentication for checking the username and password. so please help me..
my code for login.aspx is
CODE
<%@ Page Language="C#" MasterPageFile="~/Master1.master" AutoEventWireup="true" CodeFile="Login.aspx.cs" Inherits="Login" Title="Untitled Page" %>
<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server">
<br />
<table width="992">
<tr></tr>
<tr></tr>
<tr>
<td style="width: 100px"></td>
<td style="width: 100px"></td>
<td style="width: 100px"></td>
<td>
<table>
<tr>
<td align="center"><asp:Label ID="lblUsername" runat="server" Text="Username : "></asp:Label></td>
<td><asp:TextBox ID="txtUsername" runat="server"></asp:TextBox></td>
</tr>
<tr>
<td align="center"><asp:Label ID="lblPassword" runat="server" Text="Password : "></asp:Label></td>
<td><asp:TextBox ID="txtPassword" runat="server" TextMode="Password"></asp:TextBox></td>
</tr>
<tr>
<td></td>
<td align="left"><asp:Button ID="btnLogin" runat="server" Text="Sign In" Width="104px" OnClick="btnLogin_Click" /></td>
</tr>
</table>
<table>
<tr>
<td><asp:Label ID="lblSignUp" runat="server" Text="Not a Registered User?"></asp:Label></td>
<td><asp:HyperLink ID="hlnkSignUp" runat="server" NavigateUrl="~/Register.aspx">Click Here</asp:HyperLink></td>
</tr>
</table>
</td>
<td style="width: 100px"></td>
<td style="width: 100px"></td>
</tr>
</table>
</asp:Content>