public void AddGroupToteacher() { string techerList; string grouplist; string text; int tIndex = 0; int gIndex = 0; int subject = ChoiceSubject(); techerList = infoService.GetSubjTeacher(subject); grouplist = infoService.GetGroup(); if (techerList == "") { Console.WriteLine("\\\\|We dont have teacher|//"); return; } else if (grouplist == "") { Console.WriteLine("\\\\|We dont have group|//"); return; } while (true) { tIndex = NumberCheck("\n-|Choise Teacher|-\n" + techerList, infoService.GetSubjTeacherCount(subject)); gIndex = NumberCheck("\n-|Choise Group|-\n" + grouplist, infoService.GetGroupCount()); text = service.AddGroupToTecher(tIndex, gIndex, subject); if ("" != text) { Console.WriteLine(text + "(exit 0)"); choise = Console.ReadLine(); if (choise == "0") { return; } } else { return; } } }