Public Class fSelectWeatherGroup Private Sub fSelectArea_Load(sender As Object, e As EventArgs) Handles MyBase.Load bsArea1.DataSource = DSET1 bsArea2.DataSource = DSET2 bsArea1.Filter = "code like '%0000'" bsArea2.Filter = "code = 'test'" cmbArea1.DisplayMember = "name" cmbArea1.ValueMember = "code" cmbArea2.DisplayMember = "name" cmbArea2.ValueMember = "code" cmbArea1.DataSource = bsArea1 cmbArea2.DataSource = bsArea2 End Sub Private Sub Button1_Click(sender As Object, e As EventArgs) Handles btOK.Click DialogResult = DialogResult.OK End Sub End Class