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What are the different parameter passing techniques c# supports?

Posted By :nishithraj     Posted Date :December 28, 2009    Points :10   Category :C# 
byvalue (default),byreference,out and paramarray

(More...)

What are the caching techniques available?

  
Page cahahing;
Fragment Caching;
And Data Caching; (More...)

Signaling Techniques - I?

  
1. Two types of Signaling techniques:
Baseband
Broadband

2. Baseband Signals:
Uses single frequency to transmit data
Transmit information in digital form (More...)

Signaling Techniques - II?

  
1. Broadband Signals:
Data is transmitted using more than one frequency
Uses analog signals
Adds additional information to carrier signals by process of modulation (More...)

what is the Ref and Out Parameter?

  
ref parameter:
Ref is keyword.
it must be used along with actual and formal arguments.
ref variables must be initialized before passing to a function

out parameter:
It is very similar to call by Reference.
Out is a Keyword.
Which must be used along with actual and formal arguments.
Out variables are not require to initialize, the initialized value will not be passed, only reference will be passed. (More...)

You can also find related Interview Question to What are the different parameter passing techniques c# supports?  below: 

I was trying to use an "out int" parameter in one of my functions. How should I declare the variable that I am passing to it?

  
You should declare the variable as an int, but when you pass it in you must specify it as 'out', like the following: int i; foo(out i); where foo is declared as follows: [return-type] foo(out int o) { } (More...)

Describe the techniques for optimising your application?

  
. Avoid round-trips to server. Perform validation on client.
. Save viewstate only when necessary.
. Employ caching.
. Leave buffering on unless there is a dire need to disable it.
. Use connection pooling.
. Use stored procedures instead of in-line SQL or dynamic SQL. (More...)

Which platforms and browsers will Silverlight 2 supports?

  
Silverlight will support all major browsers on both Mac OS X and on Windows. Particular care is being taken to account for differences in platform and browser capabilities to ensure a consistent experience including experiences on Firefox, Safari, and Internet Explorer. Microsoft will extend the support for Silverlight on Linux through a partnership with Novell. (More...)

Does ADO.NET supports automatic connection pooling?

  
Yes.

There is a pooling property with connection string. By default it is set to true.
Use this property to specify that a particular connection should not participate in the pool, but instead should be destroyed when it is closed. (More...)

Can we pass more than one querystring parameter with hyperlink in .aspx file?

  
Yes we can.
Code can be like,
NavigateUrl='<%# "Page.aspx?param1=" & _
DataBinder.Eval(Container.DataItem, "param1") & _
"¶m2=" & DataBinder.Eval(Container.DataItem, "param2") %>'
>Hyperlink
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