DataGridCheckBoxColumn cb=new DataGridCheckBoxColumn();
            cb.Header="选择";

            DataGridTextColumn tc = new DataGridTextColumn();
            Binding b = new Binding("Spaceid");
            tc.Header = "版块标题";
            tc.Binding = b;

            DataGridTextColumn tn = new DataGridTextColumn();
            Binding c = new Binding("Spacename");
            tn.Header = "版块名称";
            tn.Binding = c;

            dataGrid1.Columns.Add(cb);
            dataGrid1.Columns.Add(tc);
            dataGrid1.Columns.Add(tn);

            List<ServiceReference1.Space> list = new List<ServiceReference1.Space>(e.Result);
            dataGrid1.ItemsSource = list;