renukaS 0 Newbie Poster

1.Assert.IsNull("", this.UIPcProxConfigpcProxanWindow.UIItemWindow.UIDisconnectButton.GetToolTipText());

or

2.Assert.IsEqual("", this.UIPcProxConfigpcProxanWindow.UIItemWindow.UIDisconnectButton.GetToolTipText());

I use these assertions to assert tooltip when it is disable,but its not working.
please help