private void UserPortal_Load(object sender, EventArgs e) { lblShowUser.Text = MyUtility.loginUserName; server.Service1 server = new server.Service1(); List <server.Interest> list = server.getGenre(MyUtility.loginUserName).ToList <server.Interest>(); BindingSource a = new BindingSource(); a.DataSource = list; dataGridView1.DataSource = a; }