Can you describe IUKNOWN interface in brief ?
.NET INTERVIEW QUESTIONS - Can you describe IUKNOWN interface in brief ? Every COM object supports at least one interface, the IUnknown interface. All interfaces are classes derived from the base class IUnknown. Each interface supports methods access data and perform operations transparently to the ... 2010-01-19, 4104👍, 0💬
What is Manifest?
.NET INTERVIEW QUESTIONS - What is Manifest? Assembly metadata is stored in Manifest. Manifest contains all the metadata needed to do the following things * Version of assembly * Security identity * Scope of the assembly * Resolve references to resources and classes. * The assembly manifest can be s... 2010-03-09, 4098👍, 0💬
Which attribute is used in order that the method can be used as WebService ?
.NET INTERVIEW QUESTIONS - Which attribute is used in order that the method can be used as WebService ? WebMethod attribute has to be specified in order that the method and property can be treated as WebService. 2009-10-20, 4098👍, 0💬
What are Value types and Reference types ?
.NET INTERVIEW QUESTIONS - What are Value types and Reference types ? Value types directly contain their data which are either allocated on the stack or allocated in-line in a structure. Reference types store a reference to the value's memory address, and are allocated on the heap. Reference types c... 2010-04-13, 4095👍, 0💬
Which class does the remote object has to inherit ?
.NET INTERVIEW QUESTIONS - Which class does the remote object has to inherit ? All remote objects should inherit from System.MarshalbyRefObject. 2009-08-04, 4090👍, 0💬
What is .NET Remoting ?
.NET INTERVIEW QUESTIONS - What is .NET Remoting ? .NET remoting is replacement the of DCOM. Using .NET remoting you can make remote object calls which lie in different Application Domains. As the remote objects run in different process client calling the remote object can not call it directly. So t... 2009-08-04, 4064👍, 0💬
What are the situations where you will use singleton architecture in remoting ?
.NET INTERVIEW QUESTIONS - What are the situations where you will use singleton architecture in remoting ? If all remoting clients have to share the same data singleton architecture will be used. 2009-08-11, 4055👍, 0💬
Can we force garbage collector to run ?
.NET INTERVIEW QUESTIONS - Can we force garbage collector to run ? System.GC.Collect() forces garbage collector to run. This is not recommended but can be used if situations arises. 2010-03-30, 4053👍, 0💬
Does the performance for viewstate vary according to User controls ?
.NET INTERVIEW QUESTIONS - Does the performance for viewstate vary according to User controls ? Performance of viewstate varies depending on the type of server control to which it is applied. Label, TextBox, CheckBox, RadioButton, and HyperLink are server controls that perform well with ViewState. D... 2009-07-07, 4040👍, 0💬
Is it a good design practice to distribute the implementation to Remoting Client ?
.NET INTERVIEW QUESTIONS - Is it a good design practice to distribute the implementation to Remoting Client ? It’s never advisable to distribute complete implementation at client, due to following reasons:- * Any one can use ILDASM and decrypt your logic. * It’s a bad architecture move to have full ... 2009-08-26, 4039👍, 0💬
What is garbage collection?
.NET INTERVIEW QUESTIONS - What is garbage collection? Garbage collection is a CLR feature which automatically manages memory. Programmers forget to release the objects while coding . CLR automatically releases objects when they are no longer in use and referenced. CLR runs on non-deterministic to s... 2010-03-23, 4028👍, 0💬
What are the other ways in which you can maintain state ?
.NET INTERVIEW QUESTIONS - What are the other ways in which you can maintain state ? Other than session variables you can use the following technique to store state : * Hidden fields * View state * Hidden frames * Cookies * Query strings 2009-06-16, 4019👍, 0💬
Some Important Notes about .NET
Some Important Notes about .NET The dependence on assembly metadata implies that client applications must understand .NET concepts. As a result, applications that make use of .NET Remoting are not interoperable with other systems. Although it's possible to write an XML Web service using .NET Remotin... 2009-03-26, 4016👍, 0💬
What is Serialization Formatters in .NET Remoting ?
What is Serialization Formatters in .NET Remoting ? When any object is to be sent across the transport channel, it must be serialized and packed into a data format that can be transmitted with the wire. On the other end of the wire, this serialized data is read and deserialized back to the actual ob... 2009-03-27, 4003👍, 0💬
What is a Web Service ?
.NET INTERVIEW QUESTIONS - What is a Web Service ? Web Services are business logic components which provide functionality via the Internet using standard protocols such as HTTP. Web Services uses Simple Object Access Protocol (SOAP) in order to expose the business functionality.SOAP defines a standa... 2009-10-01, 3984👍, 0💬
What is ViewState ?
.NET INTERVIEW QUESTIONS - What is ViewState ? Viewstate is a built-in structure for automatically retaining values amongst the multiple requests for the same page. The viewstate is internally maintained as a hidden field on the page but is hashed, providing greater security than developer-implement... 2009-06-30, 3974👍, 0💬
What is an application object ?
.NET INTERVIEW QUESTIONS - What is an application object ? Application object can be used in situation where we want data to be shared across users globally. 2009-04-21, 3966👍, 0💬
What is WSDL?
.NET INTERVIEW QUESTIONS - What is WSDL? WSDL stands for Web Service Description Language. It is a W3C specification which defines XML grammar for describing Web Services.XML grammar describes details such as:- * Where we can find the Web Service (its URI)? * What are the methods and properties that... 2009-10-07, 3950👍, 0💬
Advantage of Remoting over Web Services ?
Advantage of Remoting over Web Services ? .NET Remoting is a distributed objects infrastructure. It allows processes to share objects—to call methods on and access properties of objects that are hosted in different application domains within the same process, different processes executing on the sam... 2009-03-24, 3950👍, 0💬
Do webservices have state ?
.NET INTERVIEW QUESTIONS - Do webservices have state ? (How can we maintain State in Webservices ?) Webservices as such do not have any mechanism by which they can maintain state. Webservices can access ASP.NET intrinsic objects like Session, application and so on if they inherit from “WebService” b... 2009-10-20, 3948👍, 0💬
What are benefits and Limitation of using Hidden fields ?
.NET INTERVIEW QUESTIONS - What are benefits and Limitation of using Hidden fields ? Following are the benefits of using Hidden fields * They are simple to implement. * As data is cached on client side they work with Web Farms. * All browsers support hidden field. * No server resources are required.... 2009-06-30, 3946👍, 0💬
.NET INTERVIEW QUESTIONS - What is an Assembly?
.NET INTERVIEW QUESTIONS - What is an Assembly? * Assembly is unit of deployment like EXE or a DLL. * An assembly consists of one or more files (dlls, exe’s, html files etc.), and represents a group of resources, type definitions, and implementations of those types. An assembly may also contain refe... 2010-02-23, 3924👍, 0💬
What are the different types of Assembly?
.NET INTERVIEW QUESTIONS - What are the different types of Assembly? There are two types of assembly Private and Public assembly. A private assembly is normally used by a single application, and is stored in the application's directory, or a sub-directory beneath. A shared assembly is normally store... 2010-02-23, 3921👍, 0💬
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