private void UpdateDistinctList() { StaffAddDb db = new StaffAddDb(); ObservableCollection <string> xList = new ObservableCollection <string>(); xList = db.GetDistinctList(Models.StaffColName.VacancyStatus); if (xList.Count > 0) { Vacancy = xList; } else { Vacancy.Add("PERMANENT"); } xList = db.GetDistinctList(Models.StaffColName.Designation); if (xList.Count > 0) { DesignationList = xList; } else { DesignationList.Add("AT"); } xList = db.GetDistinctList(Models.StaffColName.Subject); SubjectList = xList; xList = db.GetDistinctList(Models.StaffColName.SalarySource); if (xList.Count > 0) { SalarySourceList = xList; } else { SalarySourceList.Add("SSA SCHOOL"); } // xList = db.GetDistinctList(Models.StaffColName.EmployeeGroup); xList = new ObservableCollection <string>(); if (xList.Count > 0) { EmpGroupList = xList; } else { EmpGroupList.Add("Gr-A"); } // xList = db.GetDistinctList(Models.StaffColName.ApprvQualification); xList = new ObservableCollection <string>(); if (xList.Count > 0) { ApprvQualificationList = xList; } else { ApprvQualificationList.Add("GRADUATE"); ApprvQualificationList.Add("POST GRADUATE"); } xList = db.GetDistinctList(Models.StaffColName.PayBand); if (xList.Count > 0) { PayBandList = xList; } else { PayBandList.Add("PB4"); } }