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Sharvan Dhaka blog Interview Question
Diff DataReader/DataAdapter
The DataReader provides forward, read-only access to the data read from the database. It provides no mechanisms for randomly accessing the data. A DataAdapter, along with a DataTable or DataSet, provides random access to data. In addition, the data can be changed in the DataTable or DataSet, and the DataAdapter can be used to update the data in the database. Of the two access methods, the DataReader is the lightest and fastest and is preferable when you need to only read the data, as reflected in ......

Posted On Sunday, October 15, 2006 5:38 PM

Interview Question
classes MUST follow. It defines method signatures but cannot have any implementations; the latter must be provided by the classes that implement the interface. C# differs from C++ in this regard because C++ lacks native language support for interfaces. As a C++ programmers you have to create an interface by defining an abstract class with pure virtual methods. what is an abstract class................. An Abstract class lets you define some behaviors and force your subclasses to provide others. For ......

Posted On Sunday, October 15, 2006 5:34 PM

SQL Interview Questions
What is normalization? Explain different levels of normalization? What is denormalization and when would you go for it? As the name indicates, denormalization is the reverse process of normalization. It's the controlled introduction of redundancy in to the database design. It helps improve the query performance as the number of joins could be reduced. How do you implement one-to-one, one-to-many and many-to-many relationships while designing tables? One-to-One relationship can be implemented as a ......

Posted On Sunday, October 15, 2006 5:13 PM

Interview Questions
Q1. Describe the role of inetinfo.exe, aspnet_isapi.dll andaspnet_wp.exe in the page loading process. Q2. What’s the difference between Response.Write() andResponse.Output.Write()? Sol : Response.Output.Write() allows you to write formatted output. Q3. What methods are fired during the page load? Sol : Init() - when the page is instantiatedLoad() - when the page is loaded into server memoryPreRender() - the brief moment before the page is displayed to the user as HTMLUnload() - when page finishes ......

Posted On Sunday, October 15, 2006 5:06 PM

What is .NET Framework and what are CLR, CTS and CLS?
. NET is a software platform. It's a language-neutral environment for developing .NET applications that can easily and securely operate within it. The .NET Framework has two main components: the Common Language Runtime (CLR) and the .NET Framework class library. The Runtime can be considered an agent that manages code at execution time. Thus providing core services such as memory management, thread management, and remoting. Also incorporating strict type safety, security and robustness. The class ......

Posted On Sunday, October 15, 2006 5:03 PM

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