/// <summary> /// This method deletes a 'Artist' object. /// </summary> /// <param name='List<PolymorphicObject>'>The 'Artist' to delete. /// <returns>A PolymorphicObject object with a Boolean value. internal PolymorphicObject DeleteArtist(List <PolymorphicObject> parameters, DataConnector dataConnector) { // Initial Value PolymorphicObject returnObject = new PolymorphicObject(); // If the data connection is connected if ((dataConnector != null) && (dataConnector.Connected == true)) { // Create Delete StoredProcedure DeleteArtistStoredProcedure deleteArtistProc = null; // verify the first parameters is a(n) 'Artist'. if (parameters[0].ObjectValue as Artist != null) { // Create Artist Artist artist = (Artist)parameters[0].ObjectValue; // verify artist exists if (artist != null) { // Now create deleteArtistProc from ArtistWriter // The DataWriter converts the 'Artist' // to the SqlParameter[] array needed to delete a 'Artist'. deleteArtistProc = ArtistWriter.CreateDeleteArtistStoredProcedure(artist); } } // Verify deleteArtistProc exists if (deleteArtistProc != null) { // Execute Delete Stored Procedure bool deleted = this.DataManager.ArtistManager.DeleteArtist(deleteArtistProc, dataConnector); // Create returnObject.Boolean returnObject.Boolean = new NullableBoolean(); // If delete was successful if (deleted) { // Set returnObject.Boolean.Value to true returnObject.Boolean.Value = NullableBooleanEnum.True; } else { // Set returnObject.Boolean.Value to false returnObject.Boolean.Value = NullableBooleanEnum.False; } } } else { // Raise Error Data Connection Not Available throw new Exception("The database connection is not available."); } // return value return(returnObject); }
/// <summary> /// This method creates an instance of an /// 'DeleteArtist'StoredProcedure' object and /// creates the sql parameter[] array needed /// to execute the procedure 'Artist_Delete'. /// </summary> /// <param name="artist">The 'Artist' to Delete.</param> /// <returns>An instance of a 'DeleteArtistStoredProcedure' object.</returns> public static DeleteArtistStoredProcedure CreateDeleteArtistStoredProcedure(Artist artist) { // Initial Value DeleteArtistStoredProcedure deleteArtistStoredProcedure = new DeleteArtistStoredProcedure(); // Now Create Parameters For The DeleteProc deleteArtistStoredProcedure.Parameters = CreatePrimaryKeyParameter(artist); // return value return(deleteArtistStoredProcedure); }
/// <summary> /// This method deletes a 'Artist' object. /// </summary> /// <returns>True if successful false if not.</returns> /// </summary> public bool DeleteArtist(DeleteArtistStoredProcedure deleteArtistProc, DataConnector databaseConnector) { // Initial Value bool deleted = false; // Verify database connection is connected if ((databaseConnector != null) && (databaseConnector.Connected)) { // Execute Non Query deleted = this.DataHelper.DeleteRecord(deleteArtistProc, databaseConnector); } // return value return(deleted); }