... System.Data namespace The System.Data namespace consists primarily of the classes that constitute the Microsoft ADO .NET architecture. The DataSet class plays a central role in the ADO .NET architecture. ... is a class in ADO .NET, which represents a set of commands and a connection to a database. SqlDataAdapter is a class derived from DataAdaptor. SqlDataAdapter is used to populate a DataSet. ... architecture. A DataSet is an in-memory cache of data obtained from many possible data sources such as databases or Extensible Markup Language (XML) documents. A DataSet reads and writes data and schema...
Ngày tải lên: 21/12/2013, 05:17
Tài liệu Module 7: Building and Consuming a Web Service That Uses ADO.NET ppt
... outputs, and location. A Web service can provide reusable functionality that many clients can share. For example, a challenge faced by e-commerce applications is the need to calculate charges ... use a strongly typed DataSet? Transition to Practice Exercise: Now that you have seen examples of creating a Web service, you can practice creating a Web service programmatically. Instruct ... directory into an application. Click the Directory Security tab. In the Anonymous access and authentication control section, click Edit. Unselect the Anonymous access check box. Click OK, and...
Ngày tải lên: 10/12/2013, 16:15
Developing XML Web Services Using Microsoft Visual C#™ .NET Beta 2
... Common Web Service Scenarios 22 Review 24 Module 2: Web Service Architectures Overview 1 Service- Oriented Architecture 2 Web Service Architectures and Service- Oriented Architecture 5 ... Implementing a Simple Web Service Overview 1 Creating a Web Service Project 2 Implementing Web Service Methods 13 Managing State in an ASP .NET Web Service 33 Debugging Web Services 41 Lab 5: ... Publishing a Web Service 17 Finding a Web Service 20 Publishing a Web Service on an Intranet 22 Configuring a Web Service 24 Lab 6: Publishing and Finding Web Services in a UDDI Registry...
Ngày tải lên: 18/10/2013, 18:15
Create a Simple XML Web Service Using Parameters
... I create a Web Service that uses parameters? Technique For this How-To, you are going to create the start of a security Web Service. This security Web Service is going to take in two parameters: ... the name and password are found. Looking at the Security Table The security table is included in the Web Service& apos;s Web folder. It is called WebServiceSecurity.MDB and is, in fact, a jet ... descriptions to the Web Service. 13.2 Create a Simple XML Web Service Using Parameters I have seen how to create a Web Service using the sample that Microsoft provides. This was instructive...
Ngày tải lên: 20/10/2013, 13:15
Viewing a WSDL File and Testing a Web Service
... RetrieveCustomers() method to return a DataSet with a DataTable containing all the rows from the Customers table (see Figure 17.6 ). Notice that the space characters in the whereClause parameter value ... returns a DataSet with a DataTable containing the one row from the Customers table with a CustomerID of ALFKI, as shown in Figure 17.5 . Notice that the equals (=) and single quote (') characters ... 'ALFKI' As you can see from Figure 17.5 , the DataSet is returned as an XML document. You can use this XML in your client programs that use the Web service. You'll see how to write a client...
Ngày tải lên: 24/10/2013, 12:15
Creating a Web Service
... SqlCommand mySqlCommand = mySqlConnection.CreateCommand(); mySqlCommand.CommandText = selectString; SqlDataAdapter mySqlDataAdapter = new SqlDataAdapter(); mySqlDataAdapter.SelectCommand ... IContainer components = null; Creating a Web Service In this section, you'll create a Web service that contains a method that returns a DataSet containing rows from the Customers table. Start ... Customers class is derived from the System .Web. Services.WebService class, which indicates that the Customers class forms part of a Web service. Near the end of Listing 1.1 , you'll notice a method...
Ngày tải lên: 28/10/2013, 19:15
Registering a Web Service
... in using a Microsoft Passport account Note If you don't have a Passport account, click the Get One Now link and sign up for a Passport account. Enter your email address, name, and phone ... your email address, name, and phone number Read the Terms Of Use page and click Accept if you want to continue. If you create a really useful Web service that you believe other organizations ... register a Web service using Microsoft's Universal Description, Discovery, and Integration (UDDI) service. You can think of UDDI as a distributed directory of Web services that you can use...
Ngày tải lên: 07/11/2013, 15:15
Tài liệu Using a Web Service doc
... a Web Service In this section, you'll see how to use a Web service in a Windows application. Start VS .NET and select File ➣ New ➣ Project. Create a new Windows application named UseWebServiceInWindows. ... service is not deployed on the local computer, then replace localhost in this code with the name of your remote computer. This code creates an object named myCustomersService to call your Web ... local computer, then replace localhost with the name of your remote computer. Your Web service will be located and a test page displayed (see Figure 17.8 ). Note Once again, if your Web...
Ngày tải lên: 14/12/2013, 22:15
Tài liệu What Is a Web Service? ppt
... on building a Web service. Web Services Enhancements Not long after Web services became a mainstream technology for integrating distributed services together, it became apparent that there were ... environment, such as Java, can use them. The reverse is also true; you can build Web services by using Java, and write consumer applications in C# . You can use several different languages with Visual Studio ... Just as Distributed Component Object Model (DCOM) is thought of as “COM with a longer wire,” a Web service can be thought of as a component with a truly global reach. Web services use a standard,...
Ngày tải lên: 15/12/2013, 00:15
Tài liệu Updating Server Data Using a Web Service pptx
... [ Team LiB ] Recipe 4.11 Updating Server Data Using a Web Service Problem You want to update a data source using an XML web service and use the web service from your client application. ... Use a DataSet object. The XML web service code contains two methods: LoadOrders( ) Creates and returns a DataSet containing the Orders and Order Details tables from Northwind and a DataRelation ... tables. UpdateOrders( ) Takes a DataSet argument containing the changes made to the DataSet created by the LoadOrders( ) method, creates two DataAdapter objects with CommandBuilder generated...
Ngày tải lên: 24/12/2013, 05:15
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