DataGrid绑定时DataView时，DataView.Count()为237或259行，为什么绑定后，界面上一直只有24行？解决方法_ASP.NET

DataGrid绑定时DataView时，DataView.Count()为237或259行，为什么绑定后，界面上一直只有24行？
<div id= "DivWxPO " style= "BORDER-RIGHT: #3a81c8 1px solid; BORDER-TOP: #3a81c8 1px solid; OVERFLOW: auto; BORDER-LEFT: #3a81c8 1px solid; WIDTH: 700px; BORDER-BOTTOM: #3a81c8 1px solid; HEIGHT: 300px "
runat= "server "> <asp:datagrid id= "Dg_WxPO " runat= "server " AutoGenerateColumns= "False " AllowPaging= "True " PageSize= "25 "
HeaderStyle-CssClass= "MyStyle " FooterStyle-CssClass= "MyStyle " BackColor= "#DDEBFF " BorderWidth= "0px " bordercolor= "#3a81c8 "
width= "100% " GridLines= "None ">
<ItemStyle HorizontalAlign= "Left " Height= "26px "> </ItemStyle>
<HeaderStyle Font-Bold= "True " HorizontalAlign= "Center " ForeColor= "White "> </HeaderStyle>
<Columns>
<asp:BoundColumn DataField= "po_num " HeaderText= "采购单单号 " ItemStyle-HorizontalAlign= "Center "> </asp:BoundColumn>
<asp:BoundColumn DataField= "order_date " HeaderText= "采购日期 " ItemStyle-HorizontalAlign= "Center "> </asp:BoundColumn>
<asp:BoundColumn DataField= "buyerName " HeaderText= "采购员 " ItemStyle-HorizontalAlign= "Center "> </asp:BoundColumn>
<asp:BoundColumn DataField= "po_cost " HeaderText= "金额 " ItemStyle-HorizontalAlign= "Center "> </asp:BoundColumn>
<asp:BoundColumn DataField= "curr_code " HeaderText= "货币 " ItemStyle-HorizontalAlign= "Center "> </asp:BoundColumn>
<asp:BoundColumn DataField= "whse " HeaderText= "仓库 " ItemStyle-HorizontalAlign= "Center "> </asp:BoundColumn>
</Columns>
<PagerStyle Visible= "False " NextPageText= "下一页 " PrevPageText= "上一页 "> </PagerStyle>
</asp:datagrid> </div>

------解决方案--------------------------------------------------------
你设置了分页显示吧？
------解决方案--------------------------------------------------------
貌似你开了分页显示又隐藏了分页的页码....
------解决方案--------------------------------------------------------
是25行吧 ? PageSize= "25 "

你起动了分页功能,每页只显示25行啊,显示24行，你可能翻到了最后一页

DataView.Count()指的是记录总数