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我有一个网格视图,其中包含三个控件,其中一个用于问题的标签,一个作为问题日期的 raddatepicker 日期,以及一个表示答案是否为真的复选框,但无论何时我转到下一页页面索引到输入值,回到第一页我看不到任何值,我有复选框,但我无法实现日期,有人可以帮忙谢谢。

这是我的设计师

  <asp:GridView ID="gridviewStudentInduction" runat="server" AllowPaging="true" PageSize="5" DataKeyNames="AssessmentQuestionID" AutoGenerateColumns="false" CellPadding="3" BorderWidth="1px" ShowHeaderWhenEmpty="True" OnRowCommand="gridviewStudentInduction_RowCommand" OnRowDataBound="gridviewStudentInduction_RowDataBound" OnPageIndexChanging="gridviewStudentInduction_PageIndexChanging" GridLines="Horizontal" BorderStyle="None" HorizontalAlign="Center">
            <HeaderStyle CssClass="dnnGridHeader" Font-Bold="true" HorizontalAlign="Center" Wrap="False" />
            <PagerStyle CssClass="dnnGridPager" HorizontalAlign="Center" />
            <RowStyle CssClass="dnnGridItem" HorizontalAlign="Center" Wrap="true" />
            <AlternatingRowStyle Wrap="true" />
            <Columns>
                <asp:TemplateField>
                    <HeaderTemplate>
                        S/N
                    </HeaderTemplate>
                    <ItemTemplate>
                        <asp:Label ID="labelSerialNo" runat="server" Text='<%#Container.DataItemIndex + 1 %>' />
                        <asp:Label ID="labelQuestionId" Visible="false" runat="server" Text='<%# Eval("AssessmentQuestionID") %>' />
                    </ItemTemplate>
                </asp:TemplateField>

                <asp:TemplateField HeaderText="Question" ItemStyle-HorizontalAlign="Left">

                    <ItemTemplate>
                        <asp:HiddenField ID="hiddenFieldRetainValue" value="checkBoxInductionAnswer" runat="server" />
                        <asp:Label ID="labelInductionQuestion" runat="server" Text='<%# Eval("Question") %>' />
                    </ItemTemplate>
                </asp:TemplateField>

                <asp:TemplateField HeaderText="Date" ItemStyle-HorizontalAlign="Left">
                    <ItemTemplate>
                         <telerik:RadDatePicker ID="RadDatePickerInductionDate" RenderMode="Classic" runat="server">
 <dateinput runat="server" placeholder="Select Induction Date" dateformat="dd/MM/yyyy" />
    
                            </telerik:RadDatePicker>
                    </ItemTemplate>
                </asp:TemplateField>

                <asp:TemplateField HeaderText="Response" ItemStyle-HorizontalAlign="Left">
                    <ItemTemplate>
                        <asp:CheckBox ID="checkBoxInductionAnswer" RepeatDirection="Horizontal" runat="server" />
                    </ItemTemplate>
                </asp:TemplateField>

            </Columns>
            <EmptyDataRowStyle Font-Bold="True" HorizontalAlign="Center" Font-Size="Large" ForeColor="#990000" />
            <EmptyDataTemplate>No Record Available</EmptyDataTemplate>
        </asp:GridView>

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