You can use a MultiBinding. Should look something like this: More than 70 videos have been found for your query Validatesondataerror you can watch them online on your computer, phone, tablet and other devices. We also recommend watching the online video c# - Making a Button IsEnabled state depend on two textboxes - Stack Overflow which was uploaded by the user ResponseXAI 01 January 1970 with a duration of 0 hours 30 minute second, which has 0 views and 1 likes, for free in excellent quality.