Setting ListIndex with Text Value, without User Interaction...

Here is what im doing. I populate the Combo Boxs with values from a database, which sets the text values and the Itemdata that corresponds to the text value.
Then I retreive values the text values from the database that corresponds to whatever record the user wants to display.

Here is the problem:

When the user finds a record and then edits a record, but just edits one field, the other Combo Boxs remain at a listindex of -1. So when I attempt to UPDATE my database, and retreive the ItemData using - field = cbo.ItemData(cbo.ListIndex). I get an error.
 

Part of Code:

strSQL = "UPDATE tblMaster " & _
            "SET CountyID = " & cboCounty.ItemData(cboCounty.ListIndex) & _
            ", RouteID = " & cboRoute.ItemData(cboRoute.ListIndex) & _
            ", PostMile = " & txtPostMile.Text & _
            ", MaterialID = " & cboMaterial.ItemData(cboMaterial.ListIndex) & _
            ", DetailID = " & cboDetail.ItemData(cboDetail.ListIndex) & _
            ", vDate = " & txtDate.Text & _
            ", Comments = " & txtComments.Text & _
            " WHERE PKey = " & lblPKey.Caption

----

So how would I get the proper listindex through code?
LVL 2
Drifter88zxtWAsked:
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AzraSoundCommented:
When you initially grab the user data, you need to set the ListIndex property of the combobox after they have been loaded using something like:


For i = 0 to cboCountry.ListCount - 1
    If cboCountry.List(i) = strUsersValue Then
        cboCountry.ListIndex = i
        Exit For
    End If
Next
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