Answer / rizwan

they are called namespaces in C#.
they are included as
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

Which are the access modifiers available in c#?

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Method1() { int a=0, b=0, c=0; Monitor.Enter(this) c = 12; b = 3; a = c/b Moniter.Exit(this) } Method1() { int a=0, b=0, c=0; c = 12; b = 3; lock(this){ a = c/b } } Choose correct answer. a. Upon completion, Method1 and Method2 release the lock b. Upon Comletion, Method1 release the lcok and Method2 not. c. Upon Completion, Method2 release the lock and Method1 not. d. Upon Completion, neither Method1 or Method to release the lock.

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what is reference parameter? what is out parameters? what is difference these two?

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Explain About web methods and its various attributes

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What is hashtable in c# net with example?

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Explain the difference between object type and dynamic type variables in c#?

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Can a static class contain non static members?

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Explain nullable types in c#?

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