USING XPATH TO QUERY DATA IN A DATASET

[ Team LiB ] Recipe 8.6 Using XPath to Query Data in a DataSet Problem You need to use an XPath expression to extract certain rows from a DataSet. Solution Use SelectSingleNode( ) or SelectNodes( ). The sampl[r]

populated with data from the employee database. If the grid doesn’t display data, make sure you’ve correctly set the properties of all the objects on the form, as explained in previous instructions.So far your application should look like this:The DBGrid control displays data[r]

Figure C-6: Adding new rows to the database.Figure C-7: Specifying data for new rows in the database.776 Part VII: Appendixes33 549669 AppC.qxd 4/4/03 9:28 AM Page 776Querying data from a databaseTo query data in a table, you can select[r]

ptg1304Execution Plan ToolTipsWhen a graphical execution plan is presented in the Query Analyzer, you can get more information about each node in the execution plan by moving the mouse cursor over one of the icons. ToolTips for estimated execution plans are slightly diffe[r]

// Create a data adapter to fill the DataSet SqlDataAdapter da = new SqlDataAdapter(); // Set the data adapter's select command da.SelectCommand = GenerateSelectCommand (conn); da.Fill(ds , "Region"); Ở đây tôi tạo một SqlDataAdapter mới, xem SqlCommand được phát r[r]

558 Hands-On Microsoft SQL Server 2008 Integration Servicesbackups and reduce the size of the backup file. As SQL Server backup compression compresses the backup, the device I/O decreases due to reduced size, but the CPU usage increases due to compression overhead. However, the effect[r]

U.S. at (317) 572-3993 or fax (317) 572-4002.Library of Congress Cataloging-in-Publication Data Available from PublisherTrademarks:Wiley, the Wiley logo, and related trade dress are trademarks or registeredtrademarks of John Wiley & Sons, Inc. and/or its affiliates, in t[r]

sqlConnection1.Close(); } Feel free to compile and run the example form.

contacts SP1, which is the super-peer responsible for the SON on which thequery is addressed (Figure 9a). Since SP1 contains all related peer views,it can also decide on the appropriate fragmentation of the received querypattern according to the view patterns of its simple-peers. Then,[r]

Sort arranges the rows in chronological order according to the date variable.Clear empties the table of all rows.Saveopens the Save Dataset dialog box where you can save the all rows to a SAS Dataset forlater use.Load opens the Load Dataset dialog box[r]

[ Team LiB ] Recipe 4.7 Updating a Data Source with Data from a Different Data Source Problem You want to update a data source using changes made to another data source for data replication or auditing purposes. Sol[r]

Và cuối cùng là móc nói nó với một SqlDataAdapter thông qua lời gọi phương thức Fill: DataSet ds = new DataSet; // Create a data adapter to fill the DataSet SqlDataAdapter da = new SqlDa[r]

based on a dimension table (not a server dimension). Time intelligence is generally added late in thecube development cycle so that all the manually built calculated members are available for creatingtime-based calculations. Start the wizard by opening the cube of interest in th[r]

Likewise, any other operators or functions not used by MySQL would have to be changed.Another option would be to use standard SQL wherever possible. The date manipulation functions could be ignored, and this task performed from within PHP. That’s a choice each developer will hav[r]

the lock problem manually (such as if a user makes an update at 4:59 p.m. and does not perform a COMMIT before leaving for the day).In the next few sections, I will describe in more detail some of the reasons that lock conflicts occur and how to detect lock conflicts[r]

statement, like this: ALTER PROCEDURE archive_orders COMPILE;ALTER FUNCTION is_weekend COMPILE;ALTER PACKAGE table_util COMPILE;95127c13.indd 734 2/17/09 2:49:23 PMPlease purchase PDF Split-Merge on www.verypdf.com to remove this watermark.Monitoring Locks and Resolving Lock Conflicts 735ALTE[r]

Studio 2008. In addition to these features, Visual Studio 2008 also adds design time tools and more server controls for richer User Interfaces (UIs) and better communication between the client - side code and the server. These new components and features are very helpful and the runtim[r]

182 MANAGING AND MINING GRAPH DATAdifferent links, the parent-child links (document-internal links) and referencelinks (cross-document links), where the cross-document links are supportedby value matching using ID/IDREF in XML. XLink (XML Linking Language)[19] and XPointer (XML Pointer[r]

mySqlTransaction.Save("SaveCustomer"); You can then roll back any subsequent changes made to the rows in the database by calling the Rollback() method of mySqlTransaction, passing the savepoint name to the Rollback() method. For example: mySqlTransaction.Rollback("SaveCustomer")[r]

[ Team LiB ] Recipe 3.11 Getting Typed DataRows from DataViews Problem When using a DataView to find rows in a typed DataSet, you want to convert the rows you find to typed DataRow objects having all the properties and methods defined in