public async Task Update()
{
if (Collection is List <Faculty> facultyList)
{
facultyList[facultyList.FindIndex(r => r.Id == Current.Id)] = Current;
}
else
{
Collection = await FacultyService.GetAsync().ConfigureAwait(false);
}
StateHasChanged();
Current = await FacultyService.UpdateAsync(Current).ConfigureAwait(false);
}