public async Task <int> Delete(long id)
{
long stageId = this.DbSet.Single(p => p.Id == id).StageId;
HashSet <long> activitiesId = new HashSet <long>(this.DbContext.DealTrackingActivities
.Where(p => p.DealId.Equals(id))
.Select(p => p.Id));
List <Task> tasks = new List <Task>();
foreach (long activityId in activitiesId)
{
tasks.Add(ActivityLogic.Delete(activityId));
}
await Task.WhenAll();
await DealLogic.Delete(id);
StageLogic.UpdateDealsOrderDelete(stageId, id);
return(await DbContext.SaveChangesAsync());
}
private void buttonDelete_Click(object sender, EventArgs e)
{
if (dataGridViewDeals.SelectedRows.Count == 1)
{
if (MessageBox.Show("Удалить запись", "Вопрос", MessageBoxButtons.YesNo,
MessageBoxIcon.Question) == DialogResult.Yes)
{
int id =
Convert.ToInt32(dataGridViewDeals.SelectedRows[0].Cells[0].Value);
try
{
logic.Delete(new DealBM {
Id = id
});
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
LoadData();
}
}
}
