Ejemplo n.º 1
0
        protected void DataPortal_Delete(CategoryCriteria criteria)
        {
            bool cancel = false;

            OnDeleting(criteria, ref cancel);
            if (cancel)
            {
                return;
            }

            using (var connection = new SqlConnection(ADOHelper.ConnectionString))
            {
                connection.Open();
                using (var command = new SqlCommand("[dbo].[CSLA_Category_Delete]", connection))
                {
                    command.CommandType = CommandType.StoredProcedure;
                    command.Parameters.AddRange(ADOHelper.SqlParameters(criteria.StateBag));

                    //result: The number of rows changed, inserted, or deleted. -1 for select statements; 0 if no rows were affected, or the statement failed.
                    int result = command.ExecuteNonQuery();
                    if (result == 0)
                    {
                        throw new DBConcurrencyException("The entity is out of date on the client. Please update the entity and try again. This could also be thrown if the sql statement failed to execute.");
                    }
                }
            }

            OnDeleted();
        }
Ejemplo n.º 2
0
        protected override void DataPortal_Execute()
        {
            string commandText = String.Format("SELECT COUNT(1) FROM {0} {1}", Criteria.TableFullName, ADOHelper.BuildWhereStatement(Criteria.StateBag));

            using (var connection = new SqlConnection(ADOHelper.ConnectionString))
            {
                connection.Open();
                using (var command = new SqlCommand(commandText, connection))
                {
                    command.Parameters.AddRange(ADOHelper.SqlParameters(Criteria.StateBag));
                    Result = (int)command.ExecuteScalar() > 0;
                }
            }
        }
Ejemplo n.º 3
0
        private void DataPortal_Fetch(CategoryCriteria criteria)
        {
            bool cancel = false;

            OnFetching(criteria, ref cancel);
            if (cancel)
            {
                return;
            }

            RaiseListChangedEvents = false;

            // Fetch Child objects.
            using (var connection = new SqlConnection(ADOHelper.ConnectionString))
            {
                connection.Open();
                using (var command = new SqlCommand("[dbo].[CSLA_Category_Select]", connection))
                {
                    command.CommandType = CommandType.StoredProcedure;
                    command.Parameters.AddRange(ADOHelper.SqlParameters(criteria.StateBag));
                    command.Parameters.AddWithValue("@p_NameHasValue", criteria.NameHasValue);
                    command.Parameters.AddWithValue("@p_DescnHasValue", criteria.DescriptionHasValue);
                    using (var reader = new SafeDataReader(command.ExecuteReader()))
                    {
                        if (reader.Read())
                        {
                            do
                            {
                                this.Add(PetShop.Tests.Collections.DynamicRoot.Category.GetCategory(reader));
                            } while(reader.Read());
                        }
                    }
                }
            }

            RaiseListChangedEvents = true;

            OnFetched();
        }
Ejemplo n.º 4
0
        private void DataPortal_Fetch(CategoryCriteria criteria)
        {
            bool cancel = false;

            OnFetching(criteria, ref cancel);
            if (cancel)
            {
                return;
            }

            using (var connection = new SqlConnection(ADOHelper.ConnectionString))
            {
                connection.Open();
                using (var command = new SqlCommand("[dbo].[CSLA_Category_Select]", connection))
                {
                    command.CommandType = CommandType.StoredProcedure;
                    command.Parameters.AddRange(ADOHelper.SqlParameters(criteria.StateBag));
                    command.Parameters.AddWithValue("@p_NameHasValue", criteria.NameHasValue);
                    command.Parameters.AddWithValue("@p_DescnHasValue", criteria.DescriptionHasValue);
                    using (var reader = new SafeDataReader(command.ExecuteReader()))
                    {
                        if (reader.Read())
                        {
                            Map(reader);
                        }
                        else
                        {
                            throw new Exception(String.Format("The record was not found in 'dbo.Category' using the following criteria: {0}.", criteria));
                        }
                    }
                }
            }

            OnFetched();

            MarkOld();
        }