Here's a common scenario: you are using an EntityDataSource control which you are binding to a data control, perhaps a ListView , DataGrid , DataList , Repeater , or GridView . The problem is, you want to do some custom binding. This happens, for example...
Entity Framework, LINQ to SQL and ASP.NET MVC support Microsoft's new validation API, which you can find on System.ComponentModel.DataAnnotations . It basically consists on attribute classes, inherited from System.ComponentModel.DataAnnotations.ValidationAttribute...
I just got Julia ("Julie") Lerman's Programming Entity Framework book. You will find her site here . I like the book, and I like EF, but I wasn't aware of the many limitations that the current version of Entity Framework has, particularly when comparing...