Mike,

Try binding to "SelectedValue" instead of "SelectedItem".

~~Bonnie



>I thought I posted the code I needed... Well, let's see... here is how I populate the combobox:
>
>

>Dim activityDV As New DataView(gParmsDS.Tables("parms"))
>activityDV.RowFilter = "parm_type = 'activity'"
>cboActivity.DataSource = activityDV
>cboActivity.DisplayMember = "short_desc"
>cboActivity.ValueMember = "parm_id"
>

>
>Here is the line binding the combobox to my datasource:
>
>

>cboActivity.DataBindings.Add(New Binding("SelectedItem", regDV, "activities"))
>

>
>And I am calling a web service to update my datasource. What other code do you feel I should post? Thanks!