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how to implement webservice using WCF

Posted By:      Posted Date: September 19, 2010    Points: 0   Category :WCF
how to implement webservice using WCF

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how to implement webservice using WCF

how to implement webservice using WCF

how implement transformations in slideshow extender.



i am working on ajax slideshow extender.

can anybody help in coding for 

1) implement transformations between slide to slide.

2) and the direction means orientation in changing of slides.

I hope u got my querries.

please help in this regard.

thanks in advance.

how implement this code


check this link

and how can i implement on aspx page to get value on textbox


saving XML output from webservice


 I created a webservice that takes casenum as input and gives results as a dataset in an XML.

I could make a web client to display the resulting dataset in a grid view. Pls see my code copied below.

Now I want to create a console client that takes the casenum as input, to call the webservice and saves the resulting xml for further processing, but can't figure out how to just capture the xml to save. Here's the code for my web client. I would appreciate if you could help modify this tocapture the resulting xml to save file locally.

Thank You.

namespace ResultsWebServicesClient
    public partial class _Default : System.Web.UI.Page
        protected void Page_Load(object sender, EventArgs e)

        private void BindDataToGrid(string CaseNum)
            FG_Results results = new FG_Results();
            DataSet ds1 = new DataSet();
            ds1 = results.Get_FG_Results(CaseNum);
            GridView1.AutoGenerateColumns = true;
            GridView1.DataSource = ds1.Tables[0];

        protected void GetResults(object sender, EventArgs e)


HTTP Post and WebService


I am working on a application which will accept the data in the post request. My application also wants to expose a web service and want to call another web service. Considering all these 3 action that I want to do, can I create a single application which will have a web form which will accept the POST request and expose a web service at the same time.

Although it may be possible to achieve this, Is this a correct way of doing it?

How to implement custom HttpContext for each request under class that implements IHTTPHandler


Hello All,

I created an application and implemented IHTTPHandler for all incoming request ending with ".aspx" extension.

Under "ProcessRequest" module, I am creating an instance of HttpContext (with URL attributes different from my application's URL i.e. if I am working on localhost then speciying Yahoo.com as its URL) and assigning it to "context" which comes as method argument.

After redirection, an error is generated. Also, the custom HTTPContext is not passed to the requested page (default.aspx, in my case.)

Code is as follows.

    Public Sub ProcessRequest(ByVal context As System.Web.HttpContext) Implements System.Web.IHttpHandler.ProcessRequest
            Dim requestedUrl As String
            Dim targetUrl As String
            Dim urlLength As Integer
            'Save settings which will be used while redirecting to appropriate page
            requestedUrl = context.Request.RawUrl
            If requestedUrl.IndexOf("?") >= 0 Then
                targetUrl = requestedUrl.Substring(0, requestedUrl.IndexOf("?"))
                targetUrl = requestedUrl
            End If
            If targetUrl = Nothing Or targetUrl.Length = 0 Then
                targetUrl = requestedUrl
            End If

Calling webservice from the server


I have a sample web service and aspx file. I deployed them to an existing website that contains classic asp files.

web-service: --- using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.Services; [WebService(Namespace = "http://localhost/MyWebServices/")] public class MembershipRegisWebService : System.Web.Services.WebService { public MembershipRegisWebService () { //Uncomment the following line if using designed components //InitializeComponent(); } [WebMethod] public string HelloWorld() { return "Hello World."; } }

aspx.cs file: --- using System; using System.Collections.Generic; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.Services; public partial class CallWebService : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { MembershipRegisWebService mrWs = new MembershipRegisWebService(); Response.Write("Calling web service:" + mrWs.HelloWorld()); } }

It runs locally, but it shows an error when running it from the server:

Server Error in '/' Application. Compilation Error Description: An error occurred during the compilation of a resource required to service this request. Please review the follow

C# / Java webservice


I am writting a client applicatin that acesses a webservice written by another company.  I need to test against this webservice but since it is live I need another place to test with.  I don't have access to the code from the webservice but have added a reference to my project.  I would like to create a test platform using C# which will run on IIS and not Java.

I have created a basic webserive using both the NetBeans platform and the VS/C# platform.  The problem I am having is if I dynamically change the web address from one to the other my client application complains that the webservice is invalid.  I have verified all the calls are the same.

Are there any setting with VS/C# that allow me to configure it to behave more like the Java webservice?  I don't have the server support to host the Java application for full testing along with other problems using the Java version.

I have run both services in the "WCF Test Client" and can see where the WCF service uses the varibles for request and the Java uses body/request but can't get the WCF to follow that format.  I read somewhere about changing the OperationContract with SoapRpcMethod but then the mentod is not longer exposed. I also tried a Web Service in .NET 3.5 instead of a WCF server but that seems to be more trouble and does not

Printing crystal report from webservice



I am trying to print crystal repot directly from a C# application, which is calling webservice. I am able to display report in crystalreportviewer by passing the webservice call to datasource. However, is there anyway, I can print directly without showing the report?

Alternatively, I was trying return ReportDocument object from webservice, which would solve my problem, but I was unable to return the ReportDocument because of serialization issue. Is it even possible? Thank you


Cutting Edge: Implement Custom Cache Dependencies in ASP.NET 1.x


One of the most compelling improvements that ASP. NET brought to ASP programming was the Cache object. The Cache has some similarities to the Application object and is a container of global data (as opposed to session-specific data) that features a fair number of innovative characteristics.

Dino Esposito

MSDN Magazine July 2004

Timers: Implement a Continuously Updating, High-Resolution Time Provider for Windows


The timestamps that you can obtain from Windows NT are limited to a maximum resolution of 10 or 15 milliseconds, depending on the underlying hardware. At times, such as when you need to timetag frequent events, it is desirable to achieve a higher resolution. For example, what if you want to be able to contact a thread or perform some other task at intervals more frequent than 10 milliseconds? Suggested ways of achieving better resolution include using performance counters in conjunction with the sytem time to calculate smaller time increments. But using performance counters is a technique that presents its own problems. This article shows one possible way of overcoming limitations inherent in this approach.

Johan Nilsson

MSDN Magazine March 2004

Data Access: Implement a Data Access Layer for Your App with ADO.NET


Implementing data access functionality is a core activity of most developers working with the .NET Framework, and the data access layers they build are an essential part of their applications. This article outlines five ideas to consider when building a data access layer with Visual Studio .NET and the .NET Framework. The tips include taking advantage of object-oriented techniques and the .NET Framework infrastructure by using base classes, making classes easily inheritable by following guidelines, and carefully examining your needs before deciding on a presentation method and external interface.

Dan Fox

MSDN Magazine April 2003

HTTP Pipelines: Securely Implement Request Processing, Filtering, and Content Redirection with HTTP


ASP.NET is a flexible and extensible framework for server-side HTTP programming. While most people think of ASP.NET in terms of pages served, there is a lower-level infrastructure sitting beneath this page model. The underlying plumbing is based on a pipeline of app, module, and handler objects. Understanding how this pipeline works is key if you want to get the most out of ASP.NET as an HTTP server platform, while making your process more efficient, and keeping your server secure. This article introduces the architecture of the pipeline and shows how you can use it to add sophisticated functionality to an ASP.NET-based app.

Tim Ewald and Keith Brown

MSDN Magazine September 2002

BizTalk: Implement Design Patterns for Business Rules with Orchestration Designer


Because the value of good software planning and design should never be underestimated, it can be beneficial to use one of the many existing design patterns as a foundation for solving some of your toughest architecture problems. This article describes several traditional design patterns including the Observer pattern and the Dispatcher pattern, elaborates on their structures, what they're used for, and how they can help you build a BizTalk-based solution. Following this is a discussion on using the BizTalk Orchestration Designer to build designs and integrate existing business processes.

Christian Thilmany and Todd McKinney

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Microsoft .NET: Implement a Custom Common Language Runtime Host for Your Managed App


While most application developers may not need to write a custom host, understanding what is involved provides a great deal of insight into the architecture of the CLR. After covering how the CLR is started and loaded into a process, how to set the available configuration options, and how a host defines application domains, this article explains how to design a custom host. Important concepts include making the right decisions about the application domain boundaries for the host, configuring them correctly, loading and executing user code, and resolving references to assemblies. Setting security policy and unloading application domains as the application shuts down are also explained.

Steven Pratschner

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