I have seen sample code to add mailto feature in datagrid hyperlink
field using the RowDataBound event.
I did it a bit different. e-amil address are stored in a database.
na**@domain.com.
I created a derived field in my select statement select 'mailto:' +
[email]. from table. I converted the hyplerlink to a template field. I
then edited the source as follows.
<ItemTemplate>
<asp:HyperLink ID="HyperLink1" runat="server"
NavigateUrl='<%#Bind("mailto") %>' Text="E-Mail"></asp:HyperLink>
</ItemTemplate>
This is working for me.