ComboBox SelectedIndexChanged ?

can you post some code on how you populate the combobox?

try this

Dim Drv As DatarowView =Ctype(Me.Combobox1.SelectedItem,DatarowView)
       Dim IntCombo as Integer = drv.Item("DataTableColumnName2")
       DIm StrCombo as String = drv.Item("DataTableColumnName2")
   

Select allOpen in new window

That is happening because when you bind a DafaultView of table or  a bindingSource to a combobox, you get the selected item as DataRowView..So to get tha selected Item you have to reffer exactly to the column you want to retrieve the Item ..

       Dim Drv As DatarowView =Ctype(Me.Combobox1.SelectedItem,DatarowView)
       Dim IntCombo as Integer = drv.Item("DataTableColumnName2")
       DIm StrCombo as String = drv.Item("DataTableColumnName2")

Select allOpen in new window

nepaluz,

here is how I am populating the combobox (see the method bellow)

Salesperson.FillSalespersonCombo(Me.AccountManagerIDComboBox)
Dim bs3 As New BindingSource(MyDataSet.Tables(0), Nothing)
Me.AccountManagerIDComboBox.DataBindings.Add("SelectedValue", bs3, "AccountManagerID")

Public Shared Sub FillSalespersonCombo(ByRef cbo As ComboBox)

        Dim tbl As String = "tblSalesperson"
        Dim key_col As String = "SalespersonID"
        '
        Dim sql As String = "Select SalespersonID, dbo.FullName(FirstName, LastName) As Salesperson From " + tbl + " Where Hidden=0 Order By Salesperson"
        Dim Conn As New SqlConnection(My.Settings.OrderEntrySalesConnectionString)

        Dim cboSalespersonDS As New DataSet
        Dim cboSalespersonAdapter As New SqlDataAdapter
        cboSalespersonAdapter.SelectCommand = New SqlCommand(sql, Conn)
        cboSalespersonAdapter.Fill(cboSalespersonDS, tbl)
        Dim cboCustomerDT As DataTable = cboSalespersonDS.Tables(0)

        cbo.DataSource = cboCustomerDT
        cbo.DisplayMember = "Salesperson"
        cbo.ValueMember = "SalespersonID"

    End Sub

Select allOpen in new window

jtoutou:
I don't have trouble getting any of the elements, only to know when the control is not alive. When the control is not alive I don't want to try anything on it. But how to test to konw whether it is alive that is the question.

You mean when there is data in combobox?
if so check the Rows.Count ..if 0 then thereis nothing to your combo....

itoutou
where is there a Rows.Count in ComboBox?

not in the combobox..from the data being populated in there..

For the combobox there is something common .....items.count

This is event seems to triggered multiple times. The first time it is triggered I get an items.count = 14 but the .selectedvalue is:
{System.Data.DataRowView}
    System.Data.DataRowView: {System.Data.DataRowView}

In cases like these (when it's not completed initializing the CB) I am looking for a simple way to test and know that I can't get a value yet. Currently I'm using Try/End Try but I would like something cleaner.

you can use cboSalespersonDS.Tables(0).Rows.Count to make your chek

Not quite - it is not live in this event sub, plus this might be populated (probably is, that is why I get a count of 14) but the ComboBox has not completed initializing.