Handling Combo Box Selection Change in ViewModel (WPF MVVM)

Windows Presentation Foundation offers various controls and one of the basic control is the combo box. The combo box has various events such as DropDownOpened, DropDownClosed, SelectionChanged, GotFocus, etc.,. In this blog, we will see how to handle the selectionchanged event of combo box which is inside grid using Model–View–Viewmodel (MVVM) pattern. Create Model (Person):… Continue reading Handling Combo Box Selection Change in ViewModel (WPF MVVM)

Introduction to SQL Server Integration Services (SSIS) – Part 1

Introduction In this blog, I will discuss SQL Server Integration Services (SSIS) and its components. SQL Server Integration Services (SSIS)  is an ETL tool (Extract, Transform and Load) which is used for building enterprise-level data integration and data transformation solutions. Integration services help in developing solutions for complex business problems, as listed below: Copying or… Continue reading Introduction to SQL Server Integration Services (SSIS) – Part 1

Security in Web API – Part 2

In my blog, `Security in Web API – Part 1’, we discussed how to create APIKeyHandler and AuthHandler. In this blog, we will see how to implement Authorization and execute Basic Authentication. Authorization Authorization is verifying whether the authenticated user can perform a particular action or consume a particular resource. This happens after the authentication… Continue reading Security in Web API – Part 2

Security in Web API – Part 1

Security has always been a major concern when we talk about enterprise-level applications. This is truer, when we talk about exposing our business through services.  However, if we develop Web API, we can secure some or all parts of an API Service so that only verified users can access the API service ensuring client security.… Continue reading Security in Web API – Part 1