gridview+objectdatasource+aspnetpager如何整合

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前台代码：

AllowPaging="True" AutoGenerateColumns="False"
OnRowCommand="viewIShow_RowCommand" PageSize="2"
OnPageIndexChanging="viewIShow_PageIndexChanging"
OnDataBound="viewIShow_DataBound">

晋级ID="LinkButton2" runat="server" CommandName="down" CommandArgument='<%#Eval("id") %>'>降级

protected void myPage_PageChanged(object sender, EventArgs e)
{
GridViewRow pagerRow = viewIShow.BottomPagerRow;
AspNetPager myPage = (AspNetPager)pagerRow.Cells[0].FindControl("myPage");
viewIShow.PageIndex = myPage.CurrentPageIndex - 1;
}

protected void viewIShow_DataBound(object sender, EventArgs e)
{
GridViewRow pagerRow = viewIShow.BottomPagerRow;
AspNetPager myPage = (AspNetPager)pagerRow.Cells[0].FindControl("myPage");

GridView view = (GridView)sender;
myPage.PageSize = view.PageSize;
myPage.CurrentPageIndex = view.PageIndex +1; //GridView分页索引是从0开始，AspNetPager是从1开始的
}

protected void ObjectDataSource1_Selected(object sender, ObjectDataSourceStatusEventArgs e)
{
DataSet ds = (DataSet)e.ReturnValue; //ObjectDataSource查询方法返回什么类型就转成什么类型

GridViewRow pagerRow = viewIShow.BottomPagerRow;
AspNetPager myPage = (AspNetPager)pagerRow.Cells[0].FindControl("myPage");

if (ds == null)
{
myPage.RecordCount = 0;
}
else
{
myPage.RecordCount = ds.Tables[0].Rows.Count;
}
}

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