DetailsView如何设置初始值

Question

        <asp:DetailsView ID="DV1" DataSourceID="DB_artclass" DataKeyNames="id" DefaultMode="Insert" AutoGenerateInsertButton="true" AutoGenerateRows="false" CssClass="table" runat="server">
        <Fields>
        <asp:BoundField DataField="als_type" HeaderText="分类名称" />
        <asp:BoundField DataField="als_parentID" HeaderText="所属分类" />
        <asp:BoundField DataField="als_orders" HeaderText="排序" />
        </Fields>
        </asp:DetailsView>
DetailsView控件如何设定BoundField的初始值，红色部分，如果初始值要设定为102？？？