Write an Appium test that validates radGridViews' empty cell Text. 

You will see that the Text property contains the following information: "Row x Column y Value z"

x = row of the cell
y = column of the currently selected cell
z = value of the currently selected cell

instead of simply being either null or an empty string.

Workaround:

Instead of validating cell[index].Text, validate cell[index].GetAttribute("Value.Value").