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1. What is an ADO.Net? http://blogs.msdn.com/b/microsoft_press/archive/2010/10/28/free-ebook-programming-windows-phone-7-by-charles-petzold.aspx 1.       What is an ADO.Net? ADO.Net is commonly termed as ActiveX Data Objects which is a part of .Net Framework. ADO.Net framework has set of classes which are used to handle data access by connecting with different databases like SQL, Access, Oracle, etc… 2.       What are two important objects of ADO.Net? There are two important objects of ADO.Net: DataReader and . DataSet. 3.       What are the namespaces used in ADO.Net to connect to a database? Following namespaces are used to connect to Database. The System.Data namespace. The System.Data.OleDb namespace  –  A data provider used to access database such as Access, Oracle, or SQL. The System.Data.SQLClient namespace – Used to access SQL as the data provider.  4.       What is LINQ? LINQ is na...

Free ebook: Programming Windows Phone 7, by Charles Petzold Devon Musgrave   10-28-2010  Gang, we’re done! 24 chapters, about 1,000 pages. Congratulations to Charles, who has outdone himself! Speaking for Charles and for the Windows Phone 7 team, we hope that you will enjoy  Programming Windows Phone 7 : You can  download a PDF here  (38.6 MB). [NEWER NOTE: the presentation issues have been fixed.] [OLDER NOTE: we see the comments from some of you about presentation issues with the ebook. We’ve determined that the PDF is missing a required embedded font. This is leading to odd (or worse) presentation for some of you, including bitmapped text. We’re working with the vendor to create a new file. I’ll let you know when the new file has replaced the old one in the Microsoft Download Center. We apologize for this!] You can  download the ebook’s C# sample code here  (5.03 MB). And you can  download the sample code in Visual Basic ...

Developing for Windows Phone 7 and Android Mishkin from the Dirty Developer blog has posted a nice article comparing the main differences and similarity between the  Windows Phone 7  and Android development platforms. He build a simple unit converter for WP7 and Android 2.2 to show you exactly how things look like on the inside: The Android Platform and Windows Phone 7 share a lot of commonalities. It will take a while to get used to migrating from Android + Eclipse to Windows Phone 7 + Microsoft Visual Studio + Expression Blend but in the end it is a much smoother development experience. The tools which Microsoft provide add a wealth of ease to the lives of us developers. Head over to  his blog  to download the source code and read his full comparison between Visual Studio + Blend and Eclipse.