// This is the Select methd to selects a single Person item with the id // USAGE: <asp:FormView SelectMethod="GetItem"> public AsyncWebAppDemo.Model.Person GetItem([FriendlyUrlSegmentsAttribute(0)]int? ID) { if (ID == null) { return null; } using (var context = new PeopleContext()) { return context.People.Find(ID); } }
// This is the Delete methd to delete the selected Person item // USAGE: <asp:FormView DeleteMethod="DeleteItem"> public void DeleteItem(int ID) { using (var context = new PeopleContext()) { var item = context.People.Find(ID); if (item != null) { context.People.Remove(item); context.SaveChanges(); } } Response.Redirect("../Default"); }
// This is the Insert method to insert the entered Person item // USAGE: <asp:FormView InsertMethod="InsertItem"> public void InsertItem() { using (var context = new PeopleContext()) { var item = new Person(); TryUpdateModel(item); if (ModelState.IsValid) { // Save changes context.People.Add(item); context.SaveChanges(); Response.Redirect("Default"); } } }
// This is the Update methd to update the selected Person item // USAGE: <asp:FormView UpdateMethod="UpdateItem"> public void UpdateItem(int ID) { using (var context = new PeopleContext()) { var item = context.People.Find(ID); if (item == null) { // The item wasn't found ModelState.AddModelError("", String.Format("Item with id {0} was not found", ID)); return; } TryUpdateModel(item); if (ModelState.IsValid) { // Save changes here context.SaveChanges(); Response.Redirect("../Default"); } } }
// Model binding method to get List of Person entries // USAGE: <asp:ListView SelectMethod="GetData"> public IQueryable<Person> GetData() { var context = new PeopleContext(); return context.People; }