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C wpf textbox validating

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On the result of validation can depend many things.For example I would like to bind button Is Enabled property to that deciding to enable button only in user input is valid.

The Binding class in the WPF API has a property called Validation Rules which you can use to associate your validation rules with Binding or Multi Binding objects.

Simplest way, in my opinion is to check if Text Box has any validation errors and if no – make button enabled, disabled otherwise.

Doing so can cause your application or the operating system to stop responding.

There are numerous examples where validation is essential.

Numeric data may have to be validated for appropriate ranges, alphabetic data may need to be validated for correctness, and so forth.