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What is the Transport Protocol you use to call a Web Service ?

Posted By :Ruchi     Posted Date :February 27, 2009    Points :10   Category :ASP.Net 
SOAP (Simple Object Access Protocol) is the preferred protocol.

You can also find related Interview Question to What is the Transport Protocol you use to call a Web Service ?  below: 

How to set the timeout property for the WCF Service client call?

  
The timeout property can be set for the WCF Service client call using binding tag.

binding = "wsHttpBinding"
bindingConfiguration = "LongTimeout"
/>






If no timeout has been specified, the default is considered as 1 minute.
(More...)

How to set the timeout property for the WCF Service client call?

  
The timeout property can be set for the WCF Service client call using binding tag. If no timeout has been specified, the default is considered as 1 minute. (More...)

How to set the timeout property for the WCF Service client call?

  
The timeout property can be set for the WCF Service client call using binding tag.



...

binding = "wsHttpBinding"

bindingConfiguration = "LongTimeout"

...

/>














If no timeout has been specified, the default is considered as 1 minute.
(More...)

Why do we need to call CG.SupressFinalize?

  
Requests that the system not call the finalizer method for the specified object.

[C#]
public static void SuppressFinalize(
object obj
);

The method removes obj from the set of objects that require finalization. The obj parameter is required to be the caller of this method.

Objects that implement the IDisposable interface can call this method from the IDisposable.Dispose method to prevent the garbage collector from calling Object.Finalize on an object that does not require it. (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 a protocol class?

  
An abstract class is a protocol class if:
. it neither contains nor inherits from classes that contain member data, non-virtual functions, or private (or protected) members of any kind.
. it has a non-inline virtual destructor defined with an empty implementation,
. all member functions other than the destructor including inherited functions, are declared pure virtual functions and left undefined. (More...)

Where is window Service Entries located in the system

  
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services (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...)

Can I call a Win32 API function from a C# program?

  
Yes, you can.The .NET Framework provides a set of services called Platform Invoke, also known as PInvoke. Refer to the .NET Framework documentation for examples of using PInvoke services. (More...)

What is SQL Server Service broker?

  
Service Broker is a unique feature in Microsoft SQL Server 2005 which is used to by internal or external processes to send and receive guaranteed, asynchronous messages by using extensions to Transact-SQL Data Manipulation Language (DML).

It's a platform for building a new class of loosely coupled services for database applications. Service Broker not only brings asynchronous, queued messaging to database applications but significantly expands the state of the art for reliable messaging.

The key components of SQL Server Service broker are
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.Dialog is a conversation between two services.
.Conversation group is a group of related conversations. Every conversation belongs to exactly one conversation group.
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What are the essential components of SQL Server Service broker?

  
Queues
Service Broker uses queues to provide loose coupling between the message sender and the message receiver. The sender can put a message in a queue and then continue on with the application, relying on Service Broker to ensure that the message reaches its destination. Queues permit a lot of scheduling flexibility.

Dialogs
Dialogs are bidirectional streams of messages between two endpoints. All messages in a dialog are ordered, and dialog messages are always delivered in the order they are sent. The order is maintained across transactions, across input threads, across output threads, and across crashes and restarts.

Conversation Groups
It's a way of grouping all the dialogs that are used for a particular task. All the dialogs associated with processing a particular order would be grouped into a single conversation group. The conversation group is implemented as a conversation group identifier, which is included with all messages in all dialogs contained in the conversation group. When a message is received from any of the dialogs in a conversation group, the conversation group is locked with a lock that is held by the receiving transaction. For the duration of the transaction, only the thread that holds the lock can receive messages from any of the dialogs in the conversation group. This makes our order entry application much easier to write because even though we use many threads for scalability, any particular order is only processed on one thread at a time. This means we don't have to make our application resilient to problems that are caused by the simultaneous processing of a single order on multiple threads.

Activation
You use the activation feature of Service Broker to specify a stored procedure that will handle messages destined for a particular service. When messages arrive for a service, Service Broker checks whether there is a stored procedure running that can process the messages. If there isn't a running message-processing stored procedure, Service Broker starts one. The stored procedure then processes messages until the queue is empty, after which it terminates. Moreover, if Service Broker determines that messages are arriving faster than the stored procedure can process them, it starts additional instances of the stored procedure until enough are running to keep up with the incoming messages (or until the configured maximum number is reached). This ensures that the right number of resources for processing incoming messages are always available. (More...)

Can a .NET web application consume Java web service?

  
Yes Offcourse.Actually Webservices are independent to language. it depends on WSDL and SOAP. so any one can develope the Webservices anddisclose the wsdl and users can consume the webservices.wsdl and soap both are xml based.. and all languages having xml parsing
capability and access to http protocol will be able to work with Webservices. (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...)

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