... Create the DataAdapters for order and order details // tables. SqlDataAdapter daOrders = new SqlDataAdapter("SELECT * FROM Orders", SQL_CONNECTIONSTRING); SqlDataAdapter daOrderDetails ... ) Creates and returns a DataSet containing the Orders and Order Details tables from Northwind and a DataRelation between those tables. UpdateOrders( ) Takes a DataSet argument containing ... 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 objects to update...
... Using aWebService In this section, you'll see how to use aWebservice in a Windows application. Start VS .NET and select File ➣ New ➣ Project. Create a new Windows application named ... application named UseWebServiceInWindows. Drag a DataGrid, TextBox, and Button control to your form. Set the Name property of your DataGrid to customersDataGrid. Set the Name property of your ... then replace localhost with the name of your remote computer. Your Webservice will be located and a test page displayed (see Figure 17.8). Note Once again, if your Webservice is not...
... tidal wave has a genesis, and a momentum, and a final destinationwhere it typically crashes head-on into a stable landmass and causes havoc andconfusion. Web services technology is a tidal wave.The ... Visual Basic and Visual C# ➤ Accessing Data ➤XML Schemas and Data http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vbcon/html/vborielementattributecreation.asp3901app_final.qxd ... (Microsoft), Maryann Hondo (IBM), Chris Kaler (Microsoft),Hiroshi Maruyama (IBM), Anthony Nadalin (IBM, editor), NatarajNagaratnam (IBM), Paul Patrick (BEA), Claus von Riegen (SAP), andJohn Shewchuk...
... 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 ... 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...
... variables, and constants using System; using System.Threading; using System.Globalization; using System .Data; using System .Data. SqlClient; // This value would normally be retrieved from a ... client rather than the server. Solution Use client culture and encoding to return data to the client formatted according to the client's localization settings rather than the server& apos;s ... The sample code-behind for the Web Forms page contains one event handler and a single method: Form.Load Creates the CultureInformation object based on the user's settings. RefreshData(...
... SqlCommand mySqlCommand = mySqlConnection.CreateCommand(); mySqlCommand.CommandText = selectString; SqlDataAdapter mySqlDataAdapter = new SqlDataAdapter(); mySqlDataAdapter.SelectCommand = ... = mySqlCommand; DataSet myDataSet = new DataSet(); mySqlConnection.Open(); mySqlDataAdapter.Fill(myDataSet, "Customers"); mySqlConnection.Close(); return myDataSet; } ... null; Creating aWebService In this section, you'll create aWebservice that contains a method that returns a DataSet containing rows from the Customers table. Start VS .NET and select...
... Logging in usinga 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 ... 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 Webservice that you believe other organizations ... 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....
... class. ! What are some other ways that you could fill the local DataSet with data other than by usinga DataAdapter? ! What is the purpose of creating an empty, local instance of a DataSet? ! ... Building and Consuming aWebService That Uses ADO.NET Lesson: Building and Consuming aWebService That Returns Data !What Is aWeb Service? !How to Build aWebService That Returns Database ... accidentally swapped the DataSet and DataAdapter, giving a compile error; for example, ds.Fill(da.tablename) is wrong. Solution. Swap the DataSet and DataAdapter references. ! Problem. A new employee...
... 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 both standardized technologies that can be used ... can concentrate on building aWeb service. Web Services Enhancements Not long after Web services became a mainstream technology for integrating distributed services together, it became apparent ... values, and for describing the types of parameters and return values. When a client calls a Web service, it must specify the method and parameters by using this XML grammar. SOAP is an industry...
... descriptions to the Web Service. 13.2 Create a Simple XML WebServiceUsing Parameters I have seen how to create aWebServiceusing the sample that Microsoft provides. This was instructive but ... create aWebService that uses parameters? Technique For this How-To, you are going to create the start of a security Web Service. This security WebService is going to take in two parameters: ... 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 database....