Thnaks Anupam for ur response.
My goal from this that i have combobox where user can enter ClientID Or Name and then press enter then keytrigger fires when key is up and after that a command ClientsEnter in my ViewModel executes it’s method.
so i need to know what’s wrong with my code?nothing works,although i have implmented the key trigger an invokecommandaction using blend
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and it’s combobox is binded to observalbeCollection Clients in my ViewModel.