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Simple textbox validation

The thing that i really get out of this is the UpdateSourceTrigger – i always forget that bit.

For this example, pretend you have a class which holds an integer. Go ahead and bind the textbox to that integer.

How do you validate that an integer is being typed in, as it is being typed?


<TextBox Height="23" Margin="94,0,64,93" Name="TextBox2" VerticalAlignment="Bottom">
<Binding Path="Age" UpdateSourceTrigger="PropertyChanged" >

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