////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
public Issue_ViewModel(String PhoneNumber, int bookid)
{
visibilitylol = System.Windows.Visibility.Visible;
var users = de.GetUserList();
for (int i = 0; i < users.Count; i++)
{
if (users[i].phone_number == PhoneNumber)
{
de.IssueBook(users[i].user_id, bookid, DateTime.Now.ToString());
FIO = users[i].last_name + " " + users[i].name + " " + users[i].middle_name;
PhoneNumber = users[i].phone_number;
Adress = users[i].adress;
MyMsgBox msg = new MyMsgBox("Книга выдана!");
}
}
var res = new ObservableCollection <ShowUnavailableBooks_cs>(de.ShowUsersBooks(PhoneNumber));
Collection = res;
}