I am studying and developing a new project and a little studying about Windows Phone 7.1, I saw that they suggest / indicate the use of POCO classes, for database mapping (It seems to me that Windows Phone 7.1 uses some compact version of EF (...
I'm having trouble updating a model, the code below is working correctly when I give GET in a context model edit on the screen (View) and give a submit all ok but when I have a data grid where I load several messages and for example I will check...