P60.登录窗体如图所示。单击"登录"按钮,当用户名及密码正确是则会弹出窗口显示"OK"信息。
A、Private Sub cmdOK_Click() If txtUser.Value="zhangs"And txtP
B、Value="123" Then MsgBox"OK" End if End Sub
C、Private Sub cmdOK_Click() If txtUser.Value="zhangs"Then If txtP
D、Value="123"Then MsgBox"OK" End if End if End Sub
E、Private Sub cmdOK_Click() If txtUser.Value="zhangs"Then If txtP
F、Value="123"Then MsgBox"OK" End if End Sub
G、Private Sub cmdOK_Click() If txtUser.Value="zhangs" and txtP
H、Value="123"Then MsgBox"OK" End if End Sub