Tài liệu Filling a DataSet Using an XML Template Query ppt

... Team LiB ] Recipe 8.10 Filling a DataSet Using an XML Template Query Problem You have an XML template query that you need to use from ADO.NET. You need to fill a DataSet using an XML template ... for the command. SqlXmlParameter param = cmd.CreateParameter( ); param.Name = "@CustomerID"; param.Value = customerId; // Create the Data...

Ngày tải lên: 21/01/2014, 11:20

... .NET Framework allows real-time, synchronous access to both a DataSet and its XML representation in an XmlDataDocument object. The synchronized DataSet and XmlDataDocument work with a single ... set of data. The solution shows three ways to synchronize a DataSet with an XmlDataDocument: Method 1 Populate a DataSet with both schema and data. Synchronize it with a ne...

Ngày tải lên: 21/01/2014, 11:20

... "< /xml& gt;"; xmlDoc.LoadXml(adoXml); // Create a namespace manager for the XML document. XmlNamespaceManager nm = new XmlNamespaceManager(xmlDoc.NameTable); // Add ADO prefixes. ... Close the reader and connection. dr.Close( ); conn.Close( ); // Load the Orders data into a table in a DataSet. DataSet ds = new DataSet( ); SqlDataAdapter da = new...

Ngày tải lên: 14/12/2013, 18:16

... start a new thread to fill the DataSet. Thread thread = new Thread(new ThreadStart(AsyncFillDataSet)); thread.Start( ); } else { // DataSet already being filled. Display a message. ... loaded, a new thread is created invoking the AsyncFillDataSet( ) method to fill a DataSet. Otherwise, a message is displayed stating that the DataSet is currently being filled. As...

Ngày tải lên: 21/01/2014, 11:20

... Team LiB ] Recipe 8.7 Transforming a DataSet Using XSLT Problem You need to use an XSLT stylesheet to transform the contents of a DataSet. Solution Create an XslTransform object and call ... is raised. The handler for the DocumentComplete event completes the XSLT transformation. DocumentComplete Gets the XmlDataDocument for the DataSet, creates an XSLTransform class,...

Ngày tải lên: 21/01/2014, 11:20

... Pass a Dataset Back from an XML Web Service I want to be able to get more data than just a single value. How do I retrieve a whole dataset from a Web Service? Technique When you need to pass ... need to pass back a record or multiple records from a Web Service, you have to pass it back as a DataSet object, rather than a DataTable object. For this How-To, you wil...

Ngày tải lên: 24/12/2013, 06:17

... File: AutomaticRefreshDataSetForm.cs // Namespaces, variables, and constants using System; using System.Configuration; using System.Threading; using System.Data; using System.Data.SqlClient; ... second, and a period of one second. Update Button.Click Uses a DataAdapter to update changes made to the first DataTable back to the data source. CheckRefreshDataSet( ) This method...

Ngày tải lên: 14/12/2013, 18:16

... wizard and the DataTable and TableAdapter are generated, notice that the wizard automatically detects that the Suppliers and Products table have a relationship in the database and creates a ... in applications. You can modify the data in the DataSet, and later reopen the connection and send the changes back to the database. You can manually open a connection to a database by cre...

Ngày tải lên: 15/12/2013, 00:15

... sqlDataAdapter1.Fill (dataSet1 1, "Products"); sqlConnection1.Close(); System.Data.DataTable myDataTable = dataSet1 1.Tables["Products"]; foreach (System.Data.DataRow myDataRow in myDataTable.Rows) ... You'll use the second step, so go ahead and click the Generate Dataset link. The Generate Dataset dialog box is then displayed, as shown in Figure 10.14 ....

Ngày tải lên: 21/01/2014, 07:20

... done using h a rd - w i red land line communications using a single broadband access point that is shared by all offices and secured with a firewall and antivirus system. We looked at seve ral ... to another office location located at a line distance of 24,000 feet because our local provider planned to use an asymmetric Digital Subscriber Line (ADSL), which could not reach that...

Ngày tải lên: 10/12/2013, 18:15