1
有一个名为cboEndUser的组合框。当我选择组合框中的项目时,这个函数被调用。 cboEndUser由错误从'InternalField'类型到'String'类型的转换无效
填充cboEndUser.Items.Add(New itemData(oRec.Fields("FullName").Value, oRec("ContactID")))
项目数据是一个类。
Public Class itemData
Public _item As String
Public _itemData As Object
Public Sub New(ByVal item As String, ByVal data As Object)
_item = item
_itemData = data
End Sub
Public Overrides Function ToString() As String
Return _item
End Function
End Class
Private Sub cboEndUser_SelectedIndexChanged(ByVal eventSender As System.Object, ByVal eventArgs As System.EventArgs) Handles cboEndUser.SelectedIndexChanged
If cboEndUser.SelectedIndex <> -1 Then
PopulateSerialNumberArray(CInt(txtCustomerID.Text), (cboEndUser.SelectedItem)._itemData)
End If
End Sub
获取在线路PopulateSerialNumberArray误差(CINT(txtCustomerID.Text),(cboEndUser.SelectedItem)._的ItemData)。 errow是从'InternalField'类型到'String'类型的转换无效。
Public Sub PopulateSerialNumberArray(ByRef plCustomerID As Integer, ByRef plContactID As String)
End Sub
是的。我改变了第二个参数(cboEndUser.SelectedItem)._ itemData.ToString。谢谢 – user2194838