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Total Hits: 15 | Today: 0
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Author: Koushik Biswas
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In my earlier article, I introduced the concept of REST web services. Before rushing on to how to implement or code a REST web service, first we have to stop at the design station. I know many developers who are more eager to start coding before spending some time on a proper design. Somehow they overlook the fact that you do not need Visual Studio to design; a whiteboard is sufficient....
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Total Hits: 29 | Today: 1
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Author: dheerajindian
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The function overloading in Web Service is not as state forward as in class. While trying to overload member function, we make two or more methods with same name with different parameters. But this will not work in web services and will show runtime error because WSDL is not supported same method name. While trying to overload Web Methods in Web Services and after doing the build, it will work successfully. But when we try to run or consume, it will show error message. We can show this using an ...
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Total Hits: 28 | Today: 0
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Author: Stephen Huen
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I was inspired by Kapoorisha's article Calendar Web Part for Sharepoint that displays & Give Details of Events from an Event List in building this web part. It is based on the same idea that SharePoint calendar events are shown in a custom calendar web control that inherits from the standard ASP.Net Calendar web control. My design goal is to make the web part more flexible, efficient and visually appealing....
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Total Hits: 16 | Today: 0
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Author: Jeff Prosise
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If Microsoft is correct, Web Services will play an important role in the future of the Internet. A Web Service is an application that exposes Web methodsâ€"functions that can be called over the Internet (or, if you'd prefer, an intranet)â€"to interested clients. It runs on a Web server and listens on port 80 for Simple Object Access Protocol (SOAP) packets that represent requests to execute a particular method. When a request arrives, the Web Service extracts the XML-encoded method nam...
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Total Hits: 26 | Today: 0
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Author: Akrumooz
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This article is a proof of concept article (POC). It explains how the Kerberos authentication can be implemented to authenticate users when they need to request a web service using WSE 3.0. This goal is very important, especially when using the Service Oriented Architecture (SOA). I decided to write this article after reading one of the Microsoft patterns and practices: Web Service Security Guide, which is a very good reference in this issue....
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Total Hits: 17 | Today: 0
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Author: Neeraj Srivastava
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As more organizations adopt XML-based Web Services, the need for message-level security has become evident. WS-Security, now supported in the Microsoft .NET Framework, addresses this need. Using the WS-Security framework, developers can implement channel sinks to intercept Remoting messages as they pass through the .NET Remoting infrastructure. The sink can read the message, change it, and pass it along. During this process, the message can be signed for added security. This article explains how...
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Total Hits: 47 | Today: 1
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Author: .netman
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This article will be very useful for anyone who is working with the GridView control. I will try and explain how a dropdownlist can be added into a GridView Column to display and edit database values. The DropDownList will have an OnSelectedIndexChanged event which is used to update the database without the need of an edit button. The code that is behind the function is very simple but it is assumed that you already have a GridView created with fields populated....
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Total Hits: 25 | Today: 0
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Author: Amit Kumar Thakur
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This is a sample application which makes AJAX calls to web service. This article discusses the server side aspect of the application. The web service performs the task of fetching and storing the data from SQL server database at server. This article explains the server side aspect of the application. For discussion about how the UI layer works at client end please read: Calling A Web Service From HTML Page.....(for all browsers)...
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Total Hits: 28 | Today: 0
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Author: Boaz Davidoff
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While doing a code review for a friend of mine, I came across an interesting technique for getting a web service to “push” an event or message back to the client when something occurs. We all know that the HTTP is a request/response protocol. The client makes a request, a socket is opened, the server allocates a thread for the request, the request is processed, the results are returned, and the socket is closed. In the code that I saw, and reworked/improved for this example, web services are use...
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Total Hits: 24 | Today: 0
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Author: JohnnyUSA
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Automated and Dictionary attacks to login is a security threat that every IT is quite aware of. There are many techniques that help address this problem, one of which is the CAPTCHA - an image that contains characters and/or numbers that presumably only humans can read; its value is then entered by the user manually. This helps filter out automated logins. However, this technique can be quite difficult to implement and also costly because you would have to generate image on the fly. Further, som...
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Total Hits: 59 | Today: 0
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Author: jfaneca
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This code was developed after a client asked to export a SharePoint 2007 issue tracking list to Microsoft Excel.
It happens that when a SharePoint 2007 field has the feature "Append Changes to Existing Text", the field history is shown on the browser, but it is not shown on Microsoft Excel after the export. The issue tracking list from SharePoint 2007 has two fields of that type: Description and Comments.
This code was developed to solve the issue, by copying the desired field history into...
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Total Hits: 62 | Today: 1
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Author: Surajit Paul
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All of us are more or less using many of the chat applications available in the market everyday but still sometimes wonder of how it has been developed. This is a simple private chat application developed in DotNet using a web service. The application (EasyTalk, I named it) targets mainly the beginners who still sometimes fear of using the web service. The audience will get a taste of how web servcie can be easily developed and can be used in a chatting application....
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