[02/03] Default processing in form load event

[Sodapop]

In a combobox i have filled with data the "selectedindexChanged" event fires on form load.

Private Sub frmTest_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        datranstype.Fill(uscData.DsPersonalFinance.TransType)
     
 cboTransType.DataSource = uscData.DsPersonalFinance
        cboTransType.DisplayMember = "TransType.transType"
        cboTransType.ValueMember = "TransType.transTypePK"
End Sub

Is there a reason for the selectedIndexChanged on that event to fire on form load? and is there a way to stop that event from firing, it is causing some problems.

[Aaron Young]

Setting the DataSource property triggers the SelectedIndexChanged event before you've set your ValueMember property.

Simply set the DataSource afterwards and you won't get an unexpected SelectedValue type

cboTransType.DisplayMember = "TransType.transType"
        cboTransType.ValueMember = "TransType.transTypePK"
        cboTransType.DataSource = uscData.DsPersonalFinance

Regards,

- Aaron.

[Sodapop]

Thanks Aaron, that worked and it fixed my problem.