public virtual async Task <Int32> AddAsync(TEntity obj)
{
try
{
_context.ChangeTracker.LazyLoadingEnabled = false;
_context.ChangeTracker.QueryTrackingBehavior = QueryTrackingBehavior.NoTracking;
_context.ChangeTracker.AutoDetectChangesEnabled = false;
await _context.Set <TEntity>().AddAsync(obj);
await _context.SaveChangesAsync();
var keyName = _context.Model.FindEntityType(typeof(TEntity))
.FindPrimaryKey().Properties
.Select(x => x.Name).Single();
return((Int32)obj.GetType().GetProperty(keyName).GetValue(obj, null));
}
catch (DbUpdateConcurrencyException)
{
if (!_context.Set <TEntity>().Any())
{
return(0);
}
else
{
throw;
}
}
}
