protected void btnLogIn_Click(object sender, EventArgs e) { EmployeeCollection EmpColl = XMLReader.EmpXMLReader(); var employee = EmpColl.EmployeeList.Where(item => item.EmpID.ToLower() == txtUserName.Text.ToLower() && item.Password.ToLower() == txtPassword.Text.ToLower()).SingleOrDefault(); if (employee != null) { Session["EmpDetails"] = employee; Response.Redirect("~/Dashboard.aspx"); } else { } }