http://developers.de/blogs/damir_dobric/archive/2011/02/03/how-to-register-button-clickhandler-of-button-in-datagrid-in-templatecontrol.aspxRegistering of Click event of a button contained in the datatemplate of datagrid which is contained in Silverlight TemplateControl can be triky. For this reason I pasted here a peace of XAML which contains that grid and corresponding code which subscribesenCommunityServer 2008 SP1 (Build: 30619.63)