亲密接触ASP.Net(14)

亲密接触ASP.Net(14)(2)         case ("next"):
            if (MyDataGrid.CurrentPageIndex < (MyDataGrid.PageCount - 1))
            MyDataGrid.CurrentPageIndex ++;
            break;
        case ("prev"):
            if (MyDataGrid.CurrentPageIndex > 0)
            MyDataGrid.CurrentPageIndex --;
            break;
        case ("last"):
            MyDataGrid.CurrentPageIndex = (MyDataGrid.PageCount - 1);
            break;
        default:
            //本页值
            MyDataGrid.CurrentPageIndex = arg.ToInt32();
            break;
    }
    BindGrid();
}

void MyDataGrid_Page(Object sender, DataGridPageChangedEventArgs e)
{
    //处理按下数字的方法
    BindGrid();
}

void BindGrid()
{
    //将DataView绑定到DataGrid上去
    MyDataGrid.DataSource = CreateDataSource();
    MyDataGrid.DataBind();
    ShowStats();
}

void ShowStats()
{
    //显示页面信息
    lblCurrentIndex.Text = "当前页数为： " + ((int)MyDataGrid.CurrentPageIndex+1);