分页那一行就是不显示 急死我了。。。。。。。。

<asp:GridView ID="GridView1" CssClass="GridViewStyle" Width="900px" runat="server" AutoGenerateColumns="False" DataSourceID="ObjectDataSource1" AllowPaging="True" Font-Size="15px" DataKeyNames="KID" OnRowEditing="GridView1_RowEditing" OnRowCreated="GridView1_RowCreated">
            <Columns>
                <asp:BoundField DataField="KID" HeaderText="KID" SortExpression="KID" />
                <asp:BoundField DataField="LID" HeaderText="LID" SortExpression="LID" Visible="False" />
                <asp:BoundField DataField="Date" HeaderText="订货日期" SortExpression="Date" DataFormatString="{0:yyyy-M-d}" />
                <asp:BoundField DataField="ContractID" HeaderText="合同号" SortExpression="ContractID" />
                <asp:BoundField DataField="CustName" HeaderText="订货单位" SortExpression="CustName" />
                <asp:BoundField DataField="CustId" HeaderText="CustId" SortExpression="CustId" Visible="False" />
                <asp:BoundField DataField="GasCylinderName" HeaderText="气瓶规格" SortExpression="GasCylinderName" />
                <asp:BoundField DataField="GNumber" HeaderText="数量" SortExpression="GNumber" />
                <asp:BoundField DataField="CollectPrice" HeaderText="实收金额" SortExpression="CollectPrice" />
                <asp:BoundField DataField="CompanyName" HeaderText="发货物流名称" SortExpression="CompanyName" />
                <asp:BoundField DataField="PracticalPrice" HeaderText="实际金额" SortExpression="PracticalPrice" />
                <asp:BoundField DataField="Destination" HeaderText="到站" SortExpression="Destination" />
                <asp:BoundField DataField="Purpose" HeaderText="Purpose" SortExpression="Purpose"
                    Visible="False" />
                <asp:BoundField DataField="Re" HeaderText="备注" SortExpression="Re" />
                <asp:BoundField DataField="GID" HeaderText="GID" SortExpression="GID" Visible="False" />
                <asp:TemplateField ShowHeader="False">
                    <ItemTemplate>
                        &nbsp;
                    </ItemTemplate>
                </asp:TemplateField>
                <asp:CommandField HeaderText="修改" ShowEditButton="True" />
                <asp:CommandField HeaderText="删除" ShowDeleteButton="True" />
            </Columns>
            <RowStyle CssClass="RowStyle" />
            <PagerStyle CssClass="PagerStyle" />
            <SelectedRowStyle CssClass="SelectedRowStyle" />
            <HeaderStyle CssClass="HeaderStyle" />
            <AlternatingRowStyle CssClass="AltRowStyle" />
        </asp:GridView>