... 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 anda test page displayed (see Figure 17.8). Note Once again, if your Webservice is not...
... [ Team LiB ] Recipe 4.11 Updating Server Data UsingaWebService Problem You want to update a data source using an XML webserviceand use the webservice from your client application. ... Use a DataSet object. The XML webservice code contains two methods: LoadOrders( ) Creates and returns a DataSet containing the Orders and Order Details tables from Northwind anda 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...
... orders table to the grid. dataGrid.DataSource = ds.Tables[ORDERS_TABLE].DefaultView; Discussion An XML webservice 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...
... Northwind anda DataRelation between those tables. UpdateOrders( ) Takes a DataSet argument containing the changes made to the DataSet created by the LoadOrders( ) method, creates two DataAdapter ... ds.Tables.Add(orderDetailTable); [ Team LiB ] Recipe 4.11 Updating Server Data UsingaWebService Problem You want to update a data source using an XML webserviceand use the webservice from your client ... . . . [WebMethod] public DataSet LoadOrders( ) { DataSet ds = new DataSet( ); SqlDataAdapter da; // Fill the Order table and add it to the DataSet. da = new SqlDataAdapter("SELECT...
... 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...
... SqlCommand mySqlCommand = mySqlConnection.CreateCommand(); mySqlCommand.CommandText = selectString; SqlDataAdapter mySqlDataAdapter = new SqlDataAdapter(); mySqlDataAdapter.SelectCommand = ... 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 ... you'll be adding your own .asmx file next, and it's easier to simply delete the initial Service1 .asmx file. Select Project ➣ Add Web Service, and enter Customers.asmx in the Name...
... 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 ... 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. Note...
... 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 ... and Consuming aWebService That Uses ADO.NET How to Build aWebService That Returns Database Information ! Web services that return database information typically:"Establish a ... 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? !...
... reach. Web services use a standard, accepted, and well-understood protocol called HTTP to transmit data, anda portable data format that is based on XML. HTTP and XML are both standardized ... values, and for describing the types of parameters and return values. When aclient calls a Web service, it must specify the method and parameters by using this XML grammar. SOAP is an industry ... 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...
... 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 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:...
... 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& apos;s localization settings rather than the server's ... [ Team LiB ] [ Team LiB ] Recipe 3.5 Localizing Client- Side Data in aWeb Forms Application Problem You need to format dates and currency values according to the culture of the client...
... in ADO.NET, which represents a set of commands anda connection to a database. SqlDataAdapter is a class derived from DataAdaptor. SqlDataAdapter is used to populate a DataSet. ! To add and ... 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 ... creating a typed DataSet is as follows: 1. Generate a SqlDataAdapter. 2. Create a typed DataSet using the data adaptor that you created in the previous step. The SqlDataAdapter is a class...
... DataGrid object (see Figure 13.14). Otherwise, a message box appears saying that you cannot see the data. 1. Open the SecurityWebServices WebService project you created in How-To 13.2. Add ... Web Service. If the username and password check out, then the GetUserInfo method is called, passing the username once again. The first table from the returned dataset is assigned to the DataSource ... from a data table. 2. If the goal is to include all the columns in the table and accept the Password column, then when other columns are added, you will not have to touch the code because the...