private async void LoadData()
{
DepartmentCollection.Clear();
CategoryCollection.Clear();
var dCollection = await DbHandler.Instance.GetAllData <BbDepartment>();
DepartmentCollection.AddRange(dCollection);
var cCollection = await DbHandler.Instance.GetAllData <BbCategory>();
CategoryCollection.AddRange(cCollection);
}
public void AddDepartment()
{
try
{
using (var context = new SchoolU_DBEntities())
{
context.Database.Connection.Open();
DepartmentCollection.Clear();
IList <Department> allDepartments = context.Departments.Where(i => i.DepartmentId != 0).ToList();
foreach (var dep in allDepartments)
{
_departmentCollection.Add(new Department {
DepartmentName = dep.DepartmentName, DepartmentAbbr = dep.DepartmentAbbr
});
}
DepartmentCollection = _departmentCollection;
}
}
catch (Exception ex)
{
//MessageBox.Show(ex.Message);
return;
}
}