private void InsertUser(string fullName, string userName, string password, string email) { Model.StdMarksRepo user = new Model.StdMarksRepo(); user.AddUser(fullName, userName, password, email); Model.StudentRegistration check = user.ValidateUser(tbluname.Text, tblpassword.Text); if (check != null) { Session["userName"] = check.FullName; Session["userInfo"] = check; Response.Redirect("StudentViewHome.aspx"); } else { Response.Redirect("Default.aspx"); } }