Do you have a primary key identified for the table in SQL Server?


>Why doesn't this work????
>
>

>using (AppSecurityDataContext dc = GetDataContext())
>{
>    tblUsersInApplication uia = new tblUsersInApplication
>    {
>        UserId = um.UserId,
>        ApplicationId = LoginCredentials.ApplicationId,
>        LastLoginDateTime = DateTime.Now
>    };
>
>    try
>    {
>        dc.SubmitChanges();
>    }
>    catch (Exception e)
>    {
>        Error = e;
>    }
>}   
>

>
>I get no exceptions. Runs fine. The date/time doesn't show up in the SQL table after it runs.