datagrid显示多张数据表问题。

VB code

Private Sub Label1_Click(index As Integer)On Error Resume Next        Adodc1.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & App.Path & "\kehuguanlidata.mdb;Persist Security Info=False "        Select Case index           Case 1        Adodc1.RecordSource = "Select * from jinku "    Case 2        Adodc1.RecordSource = "Select * from xiaoshou "     Case 3        Adodc1.RecordSource = "Select * from monthtable "    Case 4        Adodc1.RecordSource = "Select * from 进货单 "    Case 5        Adodc1.RecordSource = "Select * from 开支账单 "            Case 6'退出        For i = 1 To Label1.Count        Label1(i).Visible = False        Next i        DataGrid1.Visible = FalseEnd Select   If index <> 6 Then        Set DataGrid1.DataSource = Adodc1        DataGrid1.Refresh        DataGrid1.Visible = True   End IfEnd SubPrivate Sub Label1_MouseMove(index As Integer, Button As Integer, Shift As Integer, X As Single, Y As Single)ChangeColor (index)End Sub

这段代码的作用是，当点击不同的标签时，显示相应的数据表。现在的问题是，当DataGrid1第一次加载时能正确显示，目标数据表。如果希望显示另一张数据表表时，DataGrid1不能预期显示相应的数据表。谢谢

[解决办法]
你试一下， 在这句Set DataGrid1.DataSource = Adodc1上面加一句：
Set DataGrid1.DataSource = Nothing


[解决办法]
Private Sub Label1_Click(index As Integer)
On Error Resume Next
Adodc1.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & App.Path & "\kehuguanlidata.mdb;Persist Security Info=False "

Select Case index

Case 1
Adodc1.RecordSource = "Select * from jinku "
Case 2
Adodc1.RecordSource = "Select * from xiaoshou "
Case 3
Adodc1.RecordSource = "Select * from monthtable "
Case 4
Adodc1.RecordSource = "Select * from 进货单 "
Case 5
Adodc1.RecordSource = "Select * from 开支账单 "

Case 6'退出
For i = 1 To Label1.Count
Label1(i).Visible = False
Next i
DataGrid1.Visible = False
End Select
If index <> 6 Then
ADODC1.refresh'必须
Set DataGrid1.DataSource = Adodc1
DataGrid1.Visible = True
End If
End Sub

Private Sub Label1_MouseMove(index As Integer, Button As Integer, Shift As Integer, X As Single, Y As Single)
ChangeColor (index)
End Sub