i have a problem to datepiker contol format issue using grid

Question

<asp:TemplateField HeaderText="BrithDate">

<ItemTemplate>

<asp:Label ID="lblBrith" runat="server" Text='<%#Bind("brithDate") %>'></asp:Label>

</ItemTemplate>

<EditItemTemplate>

<asp:TextBox ID="txtDate" type="date" Text='<%#Eval("brithDate"%>' runat="server"></asp:TextBox>

</EditItemTemplate>

</asp:TemplateField>

 

 

i need help for format matching in datepicker control using function which type of function create for datepicker.