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How do you mark a method obsolete?

Posted By :nishithraj     Posted Date :November 30, 2009    Points :10   Category :C# 
[Obsolete] public int Foo() {...}

You can also find related Interview Question to How do you mark a method obsolete?  below: 

What is Method overloading?

Method overloading occurs when a class contains two methods with the same name, but different signatures. (More...)

What is Method Overriding? How to override a function in C#?

Use the override modifier to modify a method, a property, an indexer, or an event. An override method provides a new implementation of a member inherited from a base class. The method overridden by an override declaration is known as the overridden base method. The overridden base method must have the same signature as the override method.
You cannot override a non-virtual or static method. The overridden base method must be virtual, abstract, or override. (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 Method used to bind the data into gridview ?

DataBind() Method used to bind the data into gridview (More...)

What method is used to place a value onto the top of a stack?

push() method, Push is the direction that data is being added to the stack. push() member method places a value onto the top of a stack. (More...)

What method removes the value from the top of a stack?

The pop() member method removes the value from the top of a stack, which is then returned by the pop() member method to the statement that calls the pop() member method. (More...)

How can you reference current thread of the method ?

"Thread.CurrentThread" refers to the current thread running in the method."CurrentThread" is a public static property. (More...)

How do I call a member method and pass a primitive type (Value Type) by reference?

Use the ref keyword when declaring the parameter of the method, for example:

public bool GetValue( ref int returnValue );

This will pass the numeric by reference.You can modify the value of returnValue within the body of GetValue and it will persist when the method call returns. (More...)

How can I look up a parent class method or property of any System-level object?

Use the Class View window, accessed from the standard toolbar by clicking View | Class View. (More...)

How do you invoke a web method of web service in AJAX?

In order to use a webmethod of a webservice, we need to add the reference of webservice in the section of ScriptManager. Under services you have to configure the servicepath.

< asp:ScriptManager ID="ScriptManager1" runat="server">
< Services>
< asp:ServiceReference Path="..\service1.asmx" />
< /Services>
< /asp:ScriptManager>

Inside JAvascript Use methods of this service directly like
service1.methodname() (More...)

What are the different ways a method can be overloaded?

Different parameter data types, different number of parameters, different order of parameters can be used to overload a method (More...)

Which method would you call to send an e-mail message and wait for the transmission to complete before proceeding?

Select from following answers:


Correct Answer is:

SmtpClient.Send (More...)

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