Combobox relationships...

Hi,

The only what that you can link all these different combo-boxes are based on the _OnChange Event. base don your requrirenemt, If one selectes the Greece in the country dorpdown, you want to populate states in another dropdown, that means in the _OnChange event you need to poulate the Sate dropdown box...

Thanks -- Vj

http://dotnetvj.blogspot.com

To do that you have to implement the selectedindexchanged event handler of the combo box
Here is an example:
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        ComboBox1.Text = "Greece"
        ComboBox1.Items.Add("Greece")
        ComboBox1.Items.Add("Tunisia")
        ComboBox1.Items.Add("Italy")
    End Sub

    Private Sub ComboBox1_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ComboBox1.SelectedIndexChanged
        ComboBox2.Items.Clear()
        ComboBox2.Text = ""
        If ComboBox1.Text = "Greece" Then
            ComboBox2.Text = "Athina"
            ComboBox2.Items.Add("Athina")
            ComboBox2.Items.Add("Esparta")
            ComboBox2.Items.Add("Rhodes")
        End If
        If ComboBox1.Text = "Tunisia" Then
            ComboBox2.Text = "Tunis"
            ComboBox2.Items.Add("Carthage")
            ComboBox2.Items.Add("Tunis")
            ComboBox2.Items.Add("Utica")
        End If
        If ComboBox1.Text = "Italy" Then
            ComboBox2.Text = "Rome"
            ComboBox2.Items.Add("Rome")
            ComboBox2.Items.Add("Napoli")
            ComboBox2.Items.Add("Palermo")
        End If
    End Sub