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Which namespace is the base class for .net Class library?

Posted By :Amit Mehra     Posted Date :September 07, 2008    Points :10   Category :.NET Framework 
system.object

You can also find related Interview Question to Which namespace is the base class for .net Class library?  below: 

If any .NET language has access to everything in the Base Class Library, why is there so much talk about C#?

  
Although in theory all .NET languages have equal access to the BCL, in reality it was left up to the language teams to determine what level of support they wanted to offer, at least beyond the minimums needed for basic compliance. In our opinion, C#, because it was developed as a new language specifically for the .NET platform, has the best support for .NET applications. (More...)

Can we call a base class method without creating instance?

  
Its possible If its a static method.

Its possible by inheriting from that class also.

Its possible from derived classes using base keyword. (More...)

What is an orthogonal base class?

  
If two base classes have no overlapping methods or data they are said to be independent of, or orthogonal to each other. Orthogonal in the sense means that two classes operate in different dimensions and do not interfere with each other in any way. The same derived class may inherit such classes with no difficulty. (More...)

Can you write a class without specifying namespace? Which namespace does it belong to by default??

  
Yes, you can, then the class belongs to global namespace which has no name. For commercial products, naturally, you wouldn't want global namespace (More...)

Which class is the base class of all the visual elements of WPF?

  
'Visual' is the base class of all the visual elements of WPF. (More...)

Which class of the WPF is the base class of all the user-interactive elements?

  
Control class is the base class of all the user-interactive elements in WPF. (More...)

Which class is the base class of all the exception classes?

  
System.Exception class is the base class of all the exception classes in .NET. (More...)

what is the base class for .net?

  
system.object is the base class of .net

For More information please follow this link:

http://www.coolinterview.com/interview/9143/ (More...)

What base class do custom Field Controls inherit from?

  
This varies. Generally, custom field controls inherit from the Microsoft.SharePoint.WebControls.BaseFieldControl namespace, but you can inherit from the default field controls.
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What base class do event receivers inherit from?

  
Event receivers either inherit from the SPListEventReciever base class or the SPItemEventReciever base class, both which derive from the abstract base class SPEventReceiverBase.
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How will you maintain a Session values in Class Library?

  
Using HttpContext class

HttpContext.Current.Session["Value"] (More...)

Can namespace contain the private class?

  
no, having a single private class does not mean anything , it is applicable only in case of nested class.
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