public AccountableDebts()
{
this.Build ();
DebtsTreeStore = new Gtk.TreeStore (typeof (int), typeof (string), typeof (string));
treeviewDebts.AppendColumn ("Подотчетное лицо", new Gtk.CellRendererText (), "text", 1);
treeviewDebts.AppendColumn ("Задолжность", new Gtk.CellRendererText (), "text", 2);
treeviewDebts.Model = DebtsTreeStore;
treeviewDebts.ShowAll();
UpdateDebts ();
}