/// <summary> /// This method deletes a 'Image' object. /// </summary> /// <param name='List<PolymorphicObject>'>The 'Image' to delete. /// <returns>A PolymorphicObject object with a Boolean value. internal PolymorphicObject DeleteImage(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 DeleteImageStoredProcedure deleteImageProc = null; // verify the first parameters is a(n) 'Image'. if (parameters[0].ObjectValue as Image != null) { // Create Image Image image = (Image)parameters[0].ObjectValue; // verify image exists if (image != null) { // Now create deleteImageProc from ImageWriter // The DataWriter converts the 'Image' // to the SqlParameter[] array needed to delete a 'Image'. deleteImageProc = ImageWriter.CreateDeleteImageStoredProcedure(image); } } // Verify deleteImageProc exists if (deleteImageProc != null) { // Execute Delete Stored Procedure bool deleted = this.DataManager.ImageManager.DeleteImage(deleteImageProc, 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 /// 'DeleteImage'StoredProcedure' object and /// creates the sql parameter[] array needed /// to execute the procedure 'Image_Delete'. /// </summary> /// <param name="image">The 'Image' to Delete.</param> /// <returns>An instance of a 'DeleteImageStoredProcedure' object.</returns> public static DeleteImageStoredProcedure CreateDeleteImageStoredProcedure(Image image) { // Initial Value DeleteImageStoredProcedure deleteImageStoredProcedure = new DeleteImageStoredProcedure(); // Now Create Parameters For The DeleteProc deleteImageStoredProcedure.Parameters = CreatePrimaryKeyParameter(image); // return value return(deleteImageStoredProcedure); }
/// <summary> /// This method deletes a 'Image' object. /// </summary> /// <returns>True if successful false if not.</returns> /// </summary> public bool DeleteImage(DeleteImageStoredProcedure deleteImageProc, DataConnector databaseConnector) { // Initial Value bool deleted = false; // Verify database connection is connected if ((databaseConnector != null) && (databaseConnector.Connected)) { // Execute Non Query deleted = this.DataHelper.DeleteRecord(deleteImageProc, databaseConnector); } // return value return(deleted); }