what is a web service and how does it work

Ngày tải lên: 16/03/2014, 12:20

... with a truly global reach. Web services use a standard, accepted, and well-understood protocol called HTTP to transmit data, and a portable data format that is based on XML. HTTP and XML are ... distributed services together, it became apparent that there were issues that SOAP and HTTP alone could not address. These issues include: What Is a Web Service? A Web service is a business ... standard. Its function is to improve cross-platform interoperability. The strength of SOAP is its simplicity and also the fact that it is based on other industry standard technologies: HTTP and...

Ngày tải lên: 15/12/2013, 00:15

... Architecture :What Is It and How Can It Help Your Business? Copyright ©2007 Global Knowledge T raining LLC. All rights reserved. Page 2 Service- Oriented Architecture: What Is It and How Can It ... create processes that pull particular information out of that database. For example, someone could create a process that allows visitors to a website to search an artist name within that larger ... access a single database. Using a real-world example of service- ori- ented architecture, a company could make its database of books and music available to outside users as a service, and the users...

Ngày tải lên: 16/10/2013, 12:15

... by Introduction Service- oriented architecture, or SOA, is a hot topic in business today. You may have read about service- orient- ed architectures and are wondering how they can affect your business as well as ... computer, can organize a user’s digital music library. The program may work best if it has access to the Internet and can uti- lize a service – looking up the name of a CD or song title in a large ... music database, for example, or giving access to an online store that uses the same database in a different manner. Service- oriented architectures are essentially about giving existing services...

Ngày tải lên: 21/12/2013, 06:18

... 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 ... 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 have been converted ... '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

... Building and Consuming a Web Service That Uses ADO.NET Lesson: Building and Consuming a Web Service That Returns Data ! What Is a Web Service? ! How to Build a Web Service That Returns Database ... class. ! What are some other ways that you could fill the local DataSet with data other than by using a DataAdapter? ! What is the purpose of creating an empty, local instance of a DataSet? ... USE ****************************** A Web service is a unit of programmable logic that is accessible by using standard Web protocols such as HTTP and XML. A Web service can be used locally by a single application, or published...

Ngày tải lên: 10/12/2013, 16:15

Ngày tải lên: 02/03/2014, 04:25

Ngày tải lên: 19/06/2014, 08:20

Ngày tải lên: 26/06/2014, 23:20

Ngày tải lên: 11/07/2014, 13:14

... is an organization, people, develops new businesses, has financial stakeholders and brews and markets many, also local, brands. Visually brand and company are related, it all comes from the same ... there is a clear difference and should always be aware to apply the appropriate visual identity: Visual Brand Identity The green bottle with racetrack label is the origin of the brand’s visual ... Visual Identity for Heineken Internationalisation and globalisation demand a clear picture of our organisation. It is in order to increase the familiarity of Heineken, reinforce our image and...

Ngày tải lên: 23/10/2012, 13:53

... that is not part of ordinary day-to-day work. It also indicates something that is purposeful and distinct in character. In this chapter we consider how to dis- tinguish a project from other work ... frequently. Project management is a relatively recent approach to management. It is a particularly effective approach to gaining management control, and enables a focus on use of resources to gain specific ... course, a single viewpoint. HR departments are strongly aligned with the missions, values and cultures of their workplace and therefore vary as much as organizations vary. Many organizations, par- ticularly...

Ngày tải lên: 24/10/2013, 08:20

... 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. ... 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

... you can use to register and locate Web services published by organizations. UDDI is an industry standard developed by Microsoft, IBM, Sun Microsystems, and other software and hardware companies. ... people's Web services in your system. You can even register Web services for your own organization's intranet and build an internal system made up of Web services written internally. ... 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...

Ngày tải lên: 07/11/2013, 15:15

... 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. ... Once again, if your Web 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 ... your Web service is not deployed on the 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...

Ngày tải lên: 14/12/2013, 22:15

... magnetized or demagnetized. The machine is capable of storing and manipulating numbers, letters, and characters. The basic idea of a computer is that we can make the machine do what we want ... mathematical and/ or logical operations then supply new information. 2. All computers have three basic capabilities. 3. A computer is a machine that can be made to operate by receiving signals. 4. A ... computer can be defined as devices (thiết bị?) which(2) ( !devices) accept information in the form of instructions called a program and characters called data, perform mathematical and/ or logical...

Ngày tải lên: 21/12/2013, 20:15

... http_proxy /usr/etc/httpd -r /etc/inner-proxy.conf -p 8081 This is a little ugly, so there are also the following directives in the configuration file: http_proxy http://outer.proxy.server/ ftp_proxy ... http://outer.proxy.server/ ftp_proxy http://outer.proxy.server/ gopher_proxy http://outer.proxy.server/ wais_proxy http://outer.proxy.server/   ...

Ngày tải lên: 23/12/2013, 19:15

... 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 ... [WebMethod] public DataSet LoadOrders( ) { DataSet ds = new DataSet( ); SqlDataAdapter da; // Fill the Order table and add it to the DataSet. da = new SqlDataAdapter("SELECT ... 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

... orders table to the grid. dataGrid.DataSource = ds.Tables[ORDERS_TABLE].DefaultView; Discussion An XML web service is software that is accessible using Internet standards such as XML and HTTP. ... "Order_OrderDetails_Relation"; // . . . [WebMethod] public DataSet LoadOrders( ) { DataSet ds = new DataSet( ); SqlDataAdapter da; // Fill the Order table and add it to the DataSet. ... da.FillSchema(orderTable, SchemaType.Source); da.Fill(orderTable); ds.Tables.Add(orderTable); // Fill the OrderDetails table and add it to the DataSet. da = new SqlDataAdapter("SELECT...

Ngày tải lên: 21/01/2014, 11:20

... epiphysis, Fracture through epiphysis, physis physis , and , and metaphysis metaphysis   Also chronic disability because of Also chronic disability because of articular articular surface ... non - - displaced displaced What is a Salter What is a Salter - - Harris fracture? Harris fracture?   Fracture through growth plate in a pediatric Fracture through growth plate in a pediatric patient patient   35 ... Growth   Cartilage growth from epiphysis towards Cartilage growth from epiphysis towards metaphysis metaphysis   Neovascularization Neovascularization and primary bone formation and primary bone...

Ngày tải lên: 25/01/2014, 06:24