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Is it Possible to use var Keyword for global Declaration ?

Posted By :Narayanan     Posted Date :August 16, 2012    Points :40   Category :C# 
no, Var keyword is using for Local Declaration .

You can also find related Interview Question to Is it Possible to use var Keyword for global Declaration ?  below: 

How can I see what assemblies are installed in the global assembly cache?

  
The .NET Framework ships with a Windows shell extension for viewing the assembly cache. Navigating to % windir%\assembly with the Windows Explorer activates the viewer. (More...)

What is the use of 'using' declaration.

  
A using declaration makes it possible to use a name from a namespace without the scope operator. (More...)

where is global assembly cache location in system?

  
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Yield keyword in C Sharp

  
C Sharp and yield keyword

Hi,



One of the cool and yet most unknown feature of the C# is the yield keyword. The yield keyword is used in an iterator block to provide a value to the enumerator object or to signal the end of the iteration. When used the expression is evaluated and returned as a value to the enumerator object. Note the expression has to be implicitebly convertible to yield type of the iterator. Here is an example



public static IEnumerable GetIntCollectionFromString(string SomeString){ string[] val = SomeString.Split(' '); int intToAdd; foreach (string token in val) { if (int.TryParse(token, out intVal)) { yield return intVal; } else { yield break; } }}

Here since we are using the yield keyword the function will return the collection of intVal instead of the value of intVal. The statement will only return when the iteration of the loop is complete.



There are some limitation with the yield keywords.

Unsafe blocks are not allowed
Parameters to the method, operator, or accessor cannot be ref or out. (More...)

Can you place two .dll files with the same name in GAC (Global Assembly Cache)?

  
Yes, provided both have different versions.
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Is the ASP.NET AJAX Control Toolkit(AjaxControlToolkit.dll) installed in the Global Assembly Cache?

  
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List the event handlers that can be included in Global.asax?

  
o Application start and end event handlers
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o Per-request event handlers
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