Implement UserName and Password Remember Me functionality using CheckBox ASP.Net

<form id="form1" runat="server">

    UserName:

    <asp:TextBox ID="txtUserName" runat="server"></asp:TextBox><br />

    Password:

    <asp:TextBox ID="txtPassword" TextMode="Password" runat="server"></asp:TextBox><br />

    Remember me:

    <asp:CheckBox ID="chkRememberMe" runat="server" /><br />

    <asp:Button ID="btnLogin" runat="server" Text="Login" OnClick="Login_Click" />

    </form>

=================================================================

protected void Login_Click(object sender, EventArgs e)

{

    if (chkRememberMe.Checked)

    {

        Response.Cookies["UserName"].Expires = DateTime.Now.AddDays(30);

        Response.Cookies["Password"].Expires = DateTime.Now.AddDays(30);

    }

    else

    {

        Response.Cookies["UserName"].Expires = DateTime.Now.AddDays(-1);

        Response.Cookies["Password"].Expires = DateTime.Now.AddDays(-1);

 

    }

    Response.Cookies["UserName"].Value = txtUserName.Text.Trim();

    Response.Cookies["Password"].Value = txtPassword.Text.Trim();

}

===================================================================

protected void Page_Load(object sender, EventArgs e)

{

    if (!IsPostBack)

    {

        if (Request.Cookies["UserName"] != null && Request.Cookies["Password"] != null)

        {

            txtUserName.Text = Request.Cookies["UserName"].Value;

            txtPassword.Attributes["value"] = Request.Cookies["Password"].Value;

        }

    }

}