Monday, December 21, 2009

Introduction to Language Integrated Query (LINQ)

If you are developing .NET applications from some time, you may already know how to connect databases and performs operations using either hard coded SQL queries or stored procedures. You may also know how to query the in memory collection of objects using traditional programming constructs such as loops and conditions. In this tutorial, I will give you introduction to Microsoft’s new technology called LINQ that enables you to integrate query processing features into your programming language such as C# or Visual Basic. More specifically I will show you how you can query in memory object collections or Arrays using some basic LINQ query operators.

Introduction to LINQ to SQL

LINQ to SQL is one of the most widely used implementation of LINQ. It is so common that many developers completely overlooked other implementations of LINQ such as LINQ to DataSet or LINQ to Objects. Although LINQ to SQL is only available for SQL Server databases but it is still using all the features available in the other LINQ implementations. In this tutorial, I will give you brief introduction of LINQ to SQL, DataContext object, Entity classes and Object Relational Designer along with some simple LINQ to SQL queries.

Using ASP.NET AJAX Popup Control Extender

ASP.NET AJAX Popup Control can be attached to any ASP.NET control to display additional contents in a popup window. The popup window can display either static contents just like tool tips or can be made more interactive with the help of AJAX UpdatePanel control. It can also have other ASP.NET controls inside which may or may not cause full or AJAX based asynchronous post backs using AJAX UpdatePanel. In this tutorial I will show you how you can use AJAX Popup Control Extender with server side ASP.NET controls.

Developing Multi Language Web Sites with ASP.NET

ASP.NET Developers usually build websites using either their native language or using one international language such as English. As the businesses are expanding world wide many websites need to be internationalized in such a way that the audience from all over the world can browse the website in their own native language. Globalization and Localization are two important concepts which every developer should be aware of while creating global products or websites. In the past developing multi language websites was not easy task because of the extra word it requires but .NET Framework, ASP.NET and Visual Studio together has made developers life much easier to implement such websites. In this tutorial I will show you how you can create multi language websites in ASP.NET.

Using Microsoft Chart Control for ASP.NET 3.5



Displaying Charts or Graphs has always been an important feature for reporting and both windows and web applications reports can be made productive for top management by visualizing data with the help of charts. Since the introduction of ASP.NET first version developers realized that there is no built in Chart control and they have to buy and use third party charting controls for their web applications. Many companies start providing high quality and feature rich commercial charting controls to developers. Finally ASP.NET developers received good news from Microsoft when a FREE ASP.NET Chart control is introduced and made available to developers as a separated download with hundreds of charts samples. In this tutorial I will show you how you can use ASP.NET chart control in your web applications.