/// <summary> /// 更新一个对象,value=null或者id找不到则返回null,内部已经做了访问权限判断 /// </summary> /// <param name="id"></param> /// <param name="value"></param> /// <returns></returns> public async Task <T> UpdateAsync(string accid, T value) { bool bOk = await CanUpdateAsync(accid, value.Id); if (bOk == false) { return(null); } var entity = value as ListableEntity; if (entity != null) { await UpdateProtectListableEntityAsync(accid, entity); } var res = await GetDataSet(accid).FirstOrDefaultAsync(d => d.Id == value.Id); if (res == null) { return(null); } DataCopyer.CopyDataTo(value, res); await context.SaveChangesAsync(); return(res); }
/// <summary> /// 更新一个对象,value=null或者id找不到则返回null,内部已经做了访问权限判断 /// </summary> /// <param name="id"></param> /// <param name="value"></param> /// <returns></returns> public T Update(string accid, T value) { if (CanUpdate(accid, value.Id) == false) { return(null); } ListableEntity entity = value as ListableEntity; if (entity != null) { UpdateProtectListableEntity(accid, entity); } var res = GetDataSet(accid).FirstOrDefault(d => d.Id == value.Id); if (res == null) { return(null); } DataCopyer.CopyDataTo(value, res); context.SaveChangesAsync(); return(res); }