Forms Data Controls :: Insert Database NULL If Drop Downlist Item Is Not Selected?

Sep 1, 2010

on my aspx I have the below DDL

<asp:DropDownList ID="ColorDDL" runat="server" DataSourceID="ColorObj"
DataTextField="Size" DataValueField="BustId" Width="150px"
AppendDataBoundItems="True">
<asp:ListItem Value="-1">(Optional)</asp:ListItem>
</asp:DropDownList>

If the user does not select an item I get an exception when i call the ObjectDataSource Method and DAL as below to insert into database

ProfileObj.InsertParameters["ColorId"].DefaultValue = ColorDDL.SelectedValue.ToString();

What I want to do is insert a database NULL instead.

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