Cascade comboboxes - Multiplying values after return VB.net

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Hi all,

I'm trying to figure out, why after clicking once again on my combobox, next combobox remember items from previous selection.

I have 7 comboboxes (items for cb's are storen in SQL table). For each I have Sub to fill it with the items, like this:

VB

Sub fillAdditional()
    Dim var As String = Convert.ToString(cbAccount.SelectedItem)
    Dim var2 As String = Convert.ToString(cbTower.SelectedItem)
    Dim var3 As String = Convert.ToString(cbProcess.SelectedItem)
    strsql = "Select Distinct Additional from tblAdministratorData where AccIc in ( Select AID from tblAccount)"
    '((TimerAccount like '%" + var + "%') AND (TimerTower like '%" + var2 + "%') and (TimerProcess like '%" + var3 + "%'))"
    Dim acscmd As New SqlCommand
    acscmd.CommandText = strsql
    acscmd.Connection = cn
    acsdr = acscmd.ExecuteReader
    While (acsdr.Read())
        Me.cbAdditional.Items.Add(acsdr("Additional"))
    End While
    acscmd.Dispose()
    acsdr.Close()
End Sub

I'm calling each after Combobox_SelectedIndexChange like:

Me.fillAdditional()

I was trying to do it, by adding

cbTower.SelectedIndex = cbTower.FindString(cbAccount.SelectedText)

to Combobox_SelectedIndexChange, but no value added...

Could someone tell me, what I'm doing wrong?
Thank you in advance!
Best Regards

Posted 4-Jul-13 6:29am

LordVovin

Updated 5-Jul-13 4:06am

Johnny J.

v2

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LordVovin · Accepted Answer · 2013-07-05T04:08:00

Dim var As String = cbAccount.SelectedItem
strsql = "Select Distinct TimerTower from tblAccount  where (TimerAccount = '" + var + "')"
Dim acscmd As New SqlCommand
acscmd.CommandText = strsql
acscmd.Connection = cn
acsdr = acscmd.ExecuteReader
'If cbTower.SelectedItem = "" Then
While (acsdr.Read())
    Me.cbTower.Items.Add(acsdr("TimerTower"))
End While
acscmd.Dispose()
acsdr.Close()
 <pre></pre>

It was because of Select statement was wrong.

Best regards!