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New Message on BDOTNET
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From: Varad_RS
Message 2 in Discussion
Hi Deepak, You can get good article and information on WebServices at MSDN. Better
utilize that. To just start with a Webservice, here is some sample code for creating
and deploying a simple webservice in C#.
Creating A Webservice
1.Create a folder named Webservice under wwwroot
2. Create a File <%@ WebService Language="c#" Class="AddNumbers"%> using System;
using System.Web.Services; public class AddNumbers : WebService { [WebMethod] public
int Add(int a, int b){ int sum; sum = a + b; return sum; } } 3.Save this file
as AddService.asmx [asmx-> file extension]
4.Now the webservice is created and ready for the clients to use it.
5. Now we can call this webservice using
http://ip address/Webservice/Addservice.asmx/Add?a=10&b=5
This will return the result in XML format
Deploying the Webservice in the Client Machine
1.At the command prompt:
WSDL http://ip address ofthe site/WebService/MathService.asmx /n:NameSp
/out:FileName.cs]
-This will create a file called FileNmame.cs .
WSDL -> WebServices Description Language (This is an application available at
C:\Program
Files\Microsoft.NET\FrameworkSDK\Bin)
NameSp -> Name of the NameSpace which will be used in client code for deploying the
webservice.
2.Compilation
CSC /t:library /r:system.web.dll /r:system.xml.dll CreatedFile.cs
This will create a dll with the name of the public class of the asmx file.( In our
case, it is "AddNumbers.dll" )
CSC is an application available at C:\WINNT\Microsoft.NET\Framework\v1.0.2914
3.Put the dll file inside WWWRooT\BIN [Create a BIN Folder in WWWRoot]
Making use of WebService in client asp/aspx page
<%@ import Namespace = "NameSp" %> <script language = "c#" runat = "server"> public
void Page_Load(object o, EventArgs e){ int x = 10; int y = 5; int sum;
//Instantiating the public class of the webservice AddNumbers AN = new AddNumbers();
sum = AN.Add(x,y); string str = sum.ToString(); response.writeline(str); } </script>
Note
It is advisable to
1. Copy the .asmx file to the folder containing WSDL aplication (C:\Program
Files\Microsoft.NET\FrameworkSDK\Bin) before creating cs file.
2. Copy the created .cs file to the folder containing CSC application
(C:\WINNT\Microsoft.NET\Framework\v1.0.2914) before compliling it.
Hope this helps.
Rgds,
Varad.
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