Set Date in TextBox when TextMode is Date in ASP.Net GridView editing using C# and VB.Net

hello,

i have problem with datetime when i try press edit, then when i change from (B) without edit date, the recorde going from list because the date change to 1900-01-01

i must also set again the date

i did try with simple code like this its work but i dont like it

<EditItemTemplate>
    <asp:TextBox ID="txtBoxDate3" runat="server" Text='<%# Eval("daterm", "{0:yyyy/MM/dd}") %></asp:TextBox>
</EditItemTemplate>

am looking like this (3)

<asp:TemplateField HeaderText="التاريخ">
    <ItemTemplate>
        <asp:Label ID="lblBoxDateadd3" runat="server" Text='<%# Eval("daterm", "{0:yyyy/MM/dd}") %>'></asp:Label>
    </ItemTemplate>
    <EditItemTemplate>
        <asp:TextBox ID="txtBoxDate3" runat="server" Text='<%# Eval("daterm", "{0:yyyy/MM/dd}") %>' TextMode="Date"></asp:TextBox>
    </EditItemTemplate>
    <ItemStyle HorizontalAlign="Center" Width="100px"/>
</asp:TemplateField>