Binding RadioButtons with Gender Property in WPF Using Value Converter

Many WPF developers face a common problem when working with RadioButtons . They try to bind RadioButtons with a Gender property, but the binding does not work as expected . Why does this happen? Because RadioButtons work with true/false values , but in real applications, Gender is stored as meaningful values like: Male Female So the big question is: How do we connect a true/false UI control with a Male/Female data value? Why RadioButton Binding Fails A RadioButton uses the IsChecked property, and this property accepts only: true false But your Gender property is usually: a string ( "Male" , "Female" ) or an enum So the UI value and the data value are different types . This mismatch is the root cause of the problem. The Solution: Value Converter WPF provides a powerful feature called a Value Converter . What is a Value Converter? A Value Converter converts one value type into another. In our case: Convert Gender (...

what is ConcurrentDictionary?

ConcurrentDictionary is one of five collection classes introduced in .NET 4.0. It exists in System.Collections.Concurrent namespace.ConcurrentDictionary is thread-safe collection class to store key/value pairs. ConcurrentDictionary can be used with multiple threads concurrently. Without ConcurrentDictionary class, if we have to use Dictionary class with multiple threads, then we have to use locks to provides thread-safety which is always error-prone.ConcurrentDictionary provides you an easy option. It internally manages the locking gives you an easy interface to add/update items. ConcurrentDictionary provides different methods as compared to Dictionary class. We can use AddOrUpdate, GetOrAdd ,TryAdd, TryUpdate, TryRemove, and TryGetValue to do CRUD operations on ConcurrentDictionary.

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