Me sale el error "No se puede convertir "DataRowView" en integer"
osea al seleccionar el cbmaterial dabe cargar el cbtipo
Código:
Private Sub cbMaterial_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cbMaterial.SelectedIndexChanged Me.cbTipo.DataSource = Nothing Dim i As Integer = Me.cbMaterial.SelectedValue Dim tbl1 As DataTable = negSoliLente.ListarTipo(i) Me.cbTipo.DataSource = tbl1 Me.cbTipo.DisplayMember = "tipolente" Me.cbTipo.ValueMember = "idtipolente" End Sub