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Error Provider Function in VB 2005

cmdolcet asked
Last Modified: 2012-05-12
I have placed an error provider on my windows form. along with the error provider I have placed 5 combo boxes. In each select index change I have the code below. The problem I get into is if I change a combo box and it matches one currently selected it triggers the code below and catches the error and the warning. However if I dont fix the error and change a different combo box that error warning goes away.

Is there any way to control this or do I need to add an error provider for each combo box

Thanks in advance.
Private Sub cboPosition4_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cboPosition4.SelectedIndexChanged 

If Me.cboPosition4.Text = Me.cboPosition1.Text Or Me.cboPosition4.Text = Me.cboPosition2.Text Or Me.cboPosition4.Text = Me.cboPosition3.Text Or Me.cboPosition4.Text = Me.cboPosition5.Text Then
            Me.btnSet.Enabled = False
            Me.btnSetDefault.Enabled = False
            Me.SetupError.SetError(Me.cboPosition4, "Please change the duplicate Position type.....")
            Me.btnSet.Enabled = True
            Me.btnSetDefault.Enabled = True
        End If

 End Sub

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