protected void Button1_Click(object sender, EventArgs e) { AL.indexProperties.email = Txt_Email.Text.Trim().ToString(); AL.indexProperties.password = Txt_Password.Text.Trim().ToString(); string result = AL.LoginCheck(); if (result == "Exists") { Session.Add("Username", Txt_Email.Text); Response.Redirect("Manage_Products.aspx"); } else { Lbl_Message.Text = "Please enter a valid mail id and password."; } }