The SQL Helper class is used in the Data Access Layer, which interacts with a database with the help of connection strings provided. It contains several methods, as shown below. And it improves the performance for the Business Layer and ...

What is ASP.NET Web API? ASP.NET Web API is a framework to build Web API’s on the top of .NET framework, which makes it easy to build HTTP Services that comprises of range of clients, including mobile devices, all the ...