DateTime has the range: January 1, 1753, through December 31, 9999 DateTime2 has the range: 0001-01-01 through 9999-12-31 So if you are entering a date before 1753 you would get this error when the field in the table is of type DateTime.
OK – here’s the step-by-step way of doing this: (1) add your stored procedure to the EDMX file (when you first create it, or later on by using Update model from database and picking that stored procedure) (2) once you have the stored procedure in your model – use the Model Browser to add a … Read more
Thank you for your help guys!! Finally i got it. Solved the problem with the VisualTreeHelper. What a great function ^^ private void ContactListBox_SelectionChanged(object sender, SelectionChangedEventArgs e) { if (ContactListBox.SelectedIndex == -1) return; currentSelectedListBoxItem = this.ContactListBox.ItemContainerGenerator.ContainerFromIndex(ContactListBox.SelectedIndex) as ListBoxItem; if (currentSelectedListBoxItem == null) return; // Iterate whole listbox tree and search for this items TextBox nameBox … Read more