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

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