Hi hnmahant,
Please refer below sample.
HTML
MasterPage.master
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<asp:ContentPlaceHolder ID="head" runat="server">
</asp:ContentPlaceHolder>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:LinkButton ID="lbLogout" runat="server" Text="LogOut" Visible="false" OnClick="LogOut"></asp:LinkButton>
<hr />
<asp:ContentPlaceHolder ID="ContentPlaceHolder1" runat="server">
</asp:ContentPlaceHolder>
</div>
</form>
</body>
</html>
Login.aspx
<asp:Content ID="Content1" ContentPlaceHolderID="head" runat="Server">
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" runat="Server">
Name:
<asp:TextBox ID="txtName" runat="server">
</asp:TextBox>
<br />
Password:
<asp:TextBox ID="txtPassword" TextMode="Password" runat="server">
</asp:TextBox>
<br />
<asp:Button ID="btnLogin" runat="server" Text="Login" OnClick="btnLogin_Click" />
</asp:Content>
Home.aspx
<asp:Content ID="Content1" ContentPlaceHolderID="head" runat="Server">
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" runat="Server">
Home Page.
</asp:Content>
Code
C#
MasterPage.master.cs
protected void LogOut(object sender, EventArgs e)
{
Response.Redirect("Login.aspx");
}
Login.aspx.cs
protected void btnLogin_Click(object sender, EventArgs e)
{
if (txtName.Text == "admin" && txtPassword.Text == "admin")
{
Response.Redirect("Home.aspx");
}
}
Home.aspx.cs
protected void Page_Load(object sender, EventArgs e)
{
LinkButton lnkLogout = this.Master.FindControl("lbLogout") as LinkButton;
lnkLogout.Visible = true;
}
VB.Net
MasterPage.master.vb
Protected Sub LogOut(ByVal sender As Object, ByVal e As EventArgs)
Response.Redirect("Login.aspx")
End Sub
Login.aspx.vb
Protected Sub btnLogin_Click(ByVal sender As Object, ByVal e As EventArgs)
If txtName.Text = "admin" AndAlso txtPassword.Text = "admin" Then
Response.Redirect("Home.aspx")
End If
End Sub
Home.aspx.vb
Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
Dim lnkLogout As LinkButton = TryCast(Me.Master.FindControl("lbLogout"), LinkButton)
lnkLogout.Visible = True
End Sub
Screenshot