解决方法如下：

给GridView控件添加一个事件PageIndexChanging,并设置GridView的属性:AllowPaging="True"
复制代码 代码如下:
protectedvoidGridView1_PageIndexChanging(objectsender,GridViewPageEventArgse)
{
GridView1.PageIndex=e.NewPageIndex;
GridView1.datasource="数据源";GridView1.DataBind();
}