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Windows Communication Foundation (WCF) is a framework for building service-oriented applications. Using WCF, you can send data as asynchronous messages from one service endpoint to another. A service endpoint can be part of a continuously available service hosted by IIS, or it can be a service hosted in an application
Some useful links
MSDN
Windows Communication Foundation Tutorial
The Tooltip is a common graphical user interface element. It is used in conjunction with a cursor, usually a mouse pointer. The User hovers the cursor over an item, without clicking it, and tooltip may appear – a small hoverbox with information about the being hovered over.
Ajax Tool tip : AJAX is the art of exchanging data with a server, and update parts of a web page – without reloading the whole page. By Using the Ajax tool tip we can show the content of the tooltip is retrieved by Ajax from external files.
The files used for demo can be downloaded from here http://www.dhtmlgoodies.com/scripts/ajax-tooltip/ajax-tooltip.zip
Configuration : First, you need to include the js files and css files as in the demo (ajax-tooltip.html). Read more…
Project Management Professional (PMP) is a credential offered by the Project Management Institute (PMI).
The PMP exam is based on the PMP Examination Specification, which describes tasks out of six Performance Domains:
The exam consists of 200 multiple choice questions written against this specification. The numbers in parentheses describe the percentage of questions for each domain.
If you are in the preparing for PMP Certification , make sure you practice out this excellent PMP Certification Practice Test by Amit.
Introduction
AJAX, ‘Old wine in a new bottle’. Puzzled! Absolutely right. AJAX was with us for a long time, until we realized its true potentials. Lets take a very close example and we use it in our everyday life. Google? Yes, very true. Google was very early mover in AJAX arena and showed the world, web applications close to desktop applications. People were so fascinated with desktop applications that there was an urgent need of such ‘Avatar’. Suppose you are in the middle of filling a user registration page. You fill all the necessary information and hit the register button. Err..it says “Username already exists. Please try again”. You tried once, twice, thrice and so many times and after page refreshes it is showing the same message. Well, application does not have any choice but to display this error message. But now we can take off the pain and show something interactive, a user may like. Major websites will allow you to enter the username, but at the same time they will be able to tell you if this username has been taken out and without page refresh. That is AJAX. Most close example. Try typing words in Google search box and it will show you an array of suggestions. This is just a tip of iceberg. Believe me, you can create a very rich web based application by allowing AJAX to come into your life.
Topics We Will Cover
(1) What is AJAX
(2) Why to use AJAX
(3) AJAX nomenclatures
(4) AJAX with ASP.NET 4.0 (.NET 4.0 framework is still in beta but a lot to offer)
(5) Future of AJAX Read more…
If you are going to appear for ASP.Net Interview , make sure you practice out the free tests at Skill-Guru
ASP.Net Chart Control Interview questions
And if you are looking for tutorials
Introduction
For any HTTP based protocol it is true that Web Forms are stateless and for each new request to the web server web pages are destroyed and recreated. As a result we do not get page information beyond the life cycle of a single page. State is the ability of a web application to retain user information and therefore state management becomes an important issue in developing web application.
Objectives
The main objective of this tutorial is to show how the state is managed in ASP.NET Web application. Through this tutorial we have tried to cover:
• State Management and different types of available options in ASP.NET
• Use of Session, Application and Cache variables to manage server state
• Use of Cookies, QueryString, Hidden Field and ViewState to manage client state Read more…
This is second part of the tutorial ‘Web Services with ASP.NET’. Please go through Web Services with ASP.NET–Part-I before you continue further.
Consuming a XML Web Service
Exposing data and logic as SOAP to disparate systems across the world becomes simple with the help of ASP.NET. But users are not limited to consuming XML Web services only into ASP.NET application. Web Services can be consumed in Windows forms, mobile applications, databases and more. But here we show the example of how to consume a web service from a .net based web application. Again we are describing the whole process step by step. Read more…
Introduction
Web services are a new way of performing remote method calls over HTTP with the use of Simple Object Access Protocol (SOAP) . It becomes very easy for us to use all of this with the help of .Net framework. This tutorial covers building XML Web services and how we can consume XML Web service interfaces and integrate them into ASP.NET applications. But first we examine what is Web service some of the underlying technologies such as SOAP, WSDL and more.
Objective
The main objectives of this tutorial are
a.Give a simple idea about XML web service and the backend technologies.
b.How to build XML web service with the help of Visual Studio 2008
c.How to consume the web service within a web application built in .Net
We will cover the first two portions in Part-I of this tutorial and Part-II will cover the remaining portion. Read more…
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