I'm thinking about the best way to validate user input.
Let's imagine some TextBoxes, CheckBoxes or whatever .NET control you please, where the user input has to be validated as OK or NOK. As soon as the user's filled up all required fields he submits via a button.
Now I have to know which fields were previously confirmed as OK and which as NOK. By now I've always handled such cases by declaring a global bool variable for every control to tell me so. But I don't like that...
I'm pretty sure there must be another way! What I would like to do is expanding these .NET controls with a OK or NOK property called status or similar. Can you do that? And if so how do you do it? Is something like that already existing?
Thank you for your response!