create a web service c visual studio 2012

Ngày tải lên: 20/10/2014, 14:03

... 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

... 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

... visually create a DataReader object in Visual Studio .NET (VS .NET); you can only create them using program statements. In this section, you'll see how to create a SqlDataReader object and ... from a SqlCommand object, which you saw how to create using VS .NET in the previous chapter . That SqlCommand object contained a SELECT statement that retrieved the CustomerID, CompanyName, and ... SqlConnection object. For my installation of SQL Server, the password to access the Northwind database is sa, and my ConnectionString property is set to: data source=localhost;initial catalog=Northwind;persist...

Ngày tải lên: 07/11/2013, 10:15

... 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

... 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

... 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

... 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 ... 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 ... that the Web server should understand. The description looks complicated but, fortunately, Microsoft Visual Studio 2005 contains tools that can parse the WSDL for a Web service in a mechanical...

Ngày tải lên: 15/12/2013, 00:15

... 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 ... 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 ... [ 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....

Ngày tải lên: 24/12/2013, 05:15

... Creating a Command Object Using Visual Studio .NET To create a SqlCommand object using Visual Studio .NET (VS .NET), you drag a SqlCommand object from the Data tab of the Toolbox ... project named MyDataReader containing a Windows application. 2. Add a SqlConnection object to your project (refer back to the previous chapter to see how to add a SqlConnection object using VS ... object will have the default name of sqlConnection1. 3. Configure your sqlConnection1 object to access your Northwind database. Drag a SqlCommand object to your form. Figure 8.1 shows a form...

Ngày tải lên: 21/01/2014, 07:20

... You'll recall that a SqlConnection object allows you to connect to a SQL Server database. You can also drag an OleDbConnection object from the Toolbox to your form to connect to a database ... Creating a Connection Object Using Visual Studio .NET To create a SqlConnection object using Visual Studio .NET, you drag a SqlConnection object from the Data tab of the Toolbox ... by clicking OK, or you can click Advanced to enter additional details such as the connection timeout, as shown in Figure 7.4 . Figure 7.4: Entering the advanced connection details You can...

Ngày tải lên: 21/01/2014, 07:20

... Creating a DataAdapter Object Using Visual Studio .NET In this section, you'll learn how to create a DataAdapter using Visual Studio .NET. N ote You'll find a completed ... the Data Adapter Configuration Wizard. Figure 10.12: Final dialog box for the Data Adapter Configuration Wizard Click the Finish button to complete the Wizard. A SqlDataAdapter object named ... 10.8: The Data Adapter Configuration Wizard Click the Next button to continue. You now select the database connection you want to use, or you can create a new one. Pick your connection to the...

Ngày tải lên: 21/01/2014, 07:20

... Creating a DataSet Object Using Visual Studio .NET In this section, you'll learn how to create a DataSet using Visual Studio .NET. N ote You'll find a completed VS .NET example ... Drag a DataSet object from the Data tab of the Toolbox to your form, and add code to your form to fill it using the Fill() method of a DataAdapter object. ã Click the Generate Dataset link at ... DataAdapter. You can see this link in Figure 10.13 . You'll use the second step, so go ahead and click the Generate Dataset link. The Generate Dataset dialog box is then displayed, as...

Ngày tải lên: 21/01/2014, 07:20

... Northwind as a local class or as a web services class. [ Team LiB ] using System.Data; // Table name constants private const String ORDERS_TABLE= "Orders"; // . . . // Create ... Details]", ConfigurationSettings.AppSettings["DataConnectString"]); DataTable orderDetailTable = new DataTable(ORDERDETAILS_TABLE); da.FillSchema(orderDetailTable, SchemaType.Source); ... the web service class, use wsdl.exe to create the client-side proxy class. For the solution, the command is: wsdl.exe http://localhost/NorthwindWebServiceCS/NorthwindServiceCS.asmx Then, as...

Ngày tải lên: 21/01/2014, 11:20

... containing the changes made to the DataSet created by the LoadOrders( ) method, creates two DataAdapter objects with CommandBuilder generated update logic for each, and uses the DataAdapter ... Problem You want to update a data source using an XML web service and use the web service from your client application. Solution Use a DataSet object. The XML web service code contains two methods: ... command is: wsdl.exe http://localhost/NorthwindWebServiceCS/NorthwindServiceCS.asmx Then, as with a local class, the client is able to instantiate the web service class using the new operator....

Ngày tải lên: 26/01/2014, 10:20

Ngày tải lên: 27/01/2014, 11:07

Ngày tải lên: 07/03/2014, 18:20

Ngày tải lên: 22/03/2014, 20:20

Ngày tải lên: 11/04/2014, 09:48

Ngày tải lên: 29/04/2014, 15:13