Tech Articles


Tracking Actions with SqlModelMapper


This document will describe how to track actions with SqlModelMapper. SqlModelMapper enables you to track database table operations, as well as actions which encapsulate customized methods. These actions will be called when the SaveChanges() method of the SqlModelMapper is called. This enables you to perform several different tasks and operations on the data before the transaction is committed.

To view the full content of the document, see: https://www.appeon.com/support/documents/appeon_online_help/snapobjects/Tracking_Actions_in_SqlModelMapper/index.html

Using Nested Models in SqlModelMapper (multi level cascading for dependent models)


This document describes how to use Nested Models with SqlModelMapper. SnapObjects provides an object (SqlModelMapper) that simplifies the usage of nested models in multiple cascading dependent levels. SnapObjects provides APIs to manage the operations performed on these nested models.

Nested Models can represent complex relationships, such as Master-Detail-Detail. The Master-Detail relationship can be of cardinality types: one-to-one and one-to-many. The Master-Detail-Detail relationship can be of cardinality types: one-to-one-to-one and one-to-one-to-many. However, under certain circumstances, you can also manage N-Level relationships for single SQL Insert, Update or Delete operations.

To view the full content of the document, see: https://www.appeon.com/support/documents/appeon_online_help/snapobjects/Using_Nested_Models_in_SqlModelMapper/index.html.

Working with Transactions in SnapObjects


This document will describe using transactions in SnapObjects. SnapObjects provides SqlModelMapper and SqlExecutor objects for performing CRUD operations to the database. All those objects explicitly and/or implicitly use DataContext's transaction APIs to manage transactions.

To view the full content of the document, see: https://www.appeon.com/support/documents/appeon_online_help/snapobjects/Working_with_Transactions_in_SnapObjects/index.html

Add Data Validation to SqlModelMapper


This tutorial explains the basics of adding and performing data validation with SqlModelMapper using SnapDevelop. It provides you an example on how to integrate the data validation to your CRUD operations.

In this tutorial you will learn:

  • What is data validation in SqlModelMapper
  • How to add data validation to your models
  • How to perform validation against tracked models

To view the full content of the tutorial, see: https://www.appeon.com/support/documents/appeon_online_help/snapobjects/Add_Data_Validation_to_SqlModelMapper/index.html

CRUD Operations with SqlModelMapper


This tutorial demonstrates the basics of creating, in SnapDevelop, a Web API with ASP.NET Core that will use SqlModelMapper as its data manipulation component.

In this tutorial, you will learn to:

  • Create a Web API Project
  • Test the API
  • Add a Database Context
  • Register the Database Context
  • Add a SqlModelMapper Model
  • Add a Service
  • Perform CRUD Operations Using the Web API
  • Call the Web API from PowerBuilder

To view the full content of the tutorial, see: https://www.appeon.com/support/documents/appeon_online_help/snapobjects/CRUD_Operations_with_SqlModelMapper/index.html.

Find Articles by Tag

PowerBuilder Compiler WebBrowser Source Code Git RibbonBar Builder Bug 32-bit RESTClient Syntax Encryption Trial SnapDevelop DLL OrcaScript Performance Stored Procedure Resize Application SOAP Linux OS JSONParser Database Table Schema Encoding File SnapObjects Elevate Conference Variable Outlook DataType Azure Export Export JSON WinAPI Sort DataWindow Expression MessageBox GhostScript Branch & Merge Database Profile PowerScript (PS) iOS Database Table Data Array RibbonBar JSON TFS API Authorization C# Transaction Database Table Design 64-bit License Window ActiveX PDFlib Class SDK Model Script PowerServer Mobile PowerServer Web Windows OS Windows 10 Icons SqlExecutor OAuth Repository CI/CD Android Debugger Visual Studio Validation SqlModelMapper Import JSON Messagging CoderObject PFC Automated Testing PowerBuilder UI Database Connection UI Themes Authentication OAuth 2.0 SQL Server Debug External Functions Deployment Text ODBC TreeView RichTextEdit Control Icon .NET DataStore TLS/SSL Error Service Source Control Event Handling Database Object OLE Open Source HTTPClient NativePDF COM PBNI Interface Import PBVM Event Handler Configuration Installation Jenkins Platform .NET Std Framework TortoiseGit UI Modernization DevOps PDF Web Service Proxy DragDrop PostgreSQL Excel Oracle PowerBuilder (Appeon) Menu XML InfoMaker Migration PostgreSQL ODBC driver .NET Assembly DataWindow JSON Filter JSONGenerator Debugging REST Charts Web API SVN PBDOM Data BLOB Mobile Database Painter IDE CrypterObject Database Event SQL Testing Graph