Tài liệu Synchronizing a DataSet with an XML Document pptx

Tài liệu Synchronizing a DataSet with an XML Document pptx

Tài liệu Synchronizing a DataSet with an XML Document pptx

... 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 new XmlDataDocument, ... .NET Framework allows real-time, synchronous access to both a DataSet and its XML representation in an XmlDataDocument object. The synchronized DataSet and XmlDataDocu...
Ngày tải lên : 21/01/2014, 11:20
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Tài liệu Filling a DataSet Using an XML Template Query ppt

Tài liệu Filling a DataSet Using an XML Template Query ppt

... for the command. SqlXmlParameter param = cmd.CreateParameter( ); param.Name = "@CustomerID"; param.Value = customerId; // Create the DataSet. DataSet ds = new DataSet( ); ... Server database Update Updates the SQL Server database with the changes made to the DataSet For more information about the SQLXML Managed Classes, see the Microsoft SQLXML release docume...
Ngày tải lên : 21/01/2014, 11:20
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Tài liệu Converting a DataSet to an ADO Recordset docx

Tài liệu Converting a DataSet to an ADO Recordset docx

... "< /xml& gt;"; xmlDoc.LoadXml(adoXml); // Create a namespace manager for the XML document. XmlNamespaceManager nm = new XmlNamespaceManager(xmlDoc.NameTable); // Add ADO prefixes. ... Create a table of the schema for the DataReader. DataTable schemaTable = dr.GetSchemaTable( ); // Create an XML document. XmlDocument xmlDoc = new XmlDocument( ); //...
Ngày tải lên : 14/12/2013, 18:16
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Tài liệu Updating a DataSet with a Many-to-Many Relationship ppt

Tài liệu Updating a DataSet with a Many-to-Many Relationship ppt

... records. [ Team LiB ] [ Team LiB ] Recipe 4.10 Updating a DataSet with a Many-to-Many Relationship Problem You have a DataSet that contains two tables that have a many-to-many relationship ... called to update the changes made to the DataSet with the data source. Refresh Button.Click This event handler clears all data from the DataSet. LoadData( ) is then calle...
Ngày tải lên : 26/01/2014, 10:20
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Tài liệu Refreshing a DataSet Automatically Using Extended Properties pptx

Tài liệu Refreshing a DataSet Automatically Using Extended Properties pptx

... 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 is called ... seconds—the value of the constant DATAREFRESH_SECONDS in the sample— into the future. Finally, a thread timer is created with a TimerClassback delegate CheckRefreshDataSet, with a...
Ngày tải lên : 14/12/2013, 18:16
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Tài liệu Use XMLReader to Read an XML Document ppt

Tài liệu Use XMLReader to Read an XML Document ppt

... XMLNodeReader Provides a parser over an XML Document Object Model (DOM) API, similar to the XMLNode tree. XMLValidatingReader Takes an XMLTextReader adding validation. In doing so, it provides a ... Use XMLReader to Read an XML Document In How-To 12.1, I learned how to write out data to an XML document by using the XMLWriter. How do I read data using the XMLReade...
Ngày tải lên : 14/12/2013, 20:16
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Tài liệu Use XMLWriter to Create an XML Document doc

Tài liệu Use XMLWriter to Create an XML Document doc

... the data from the data table into an XML document. Creating the Data Table Rather than using a DataAdapter object to create and populate the data table from live data, the code will create ... Use XMLWriter to Create an XML Document Sometimes I need to take data that is in my database and write it out to an XML document. I heard that XMLWriter is a good way to do this...
Ngày tải lên : 14/12/2013, 20:16
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Tài liệu Pass a Dataset Back from an XML Web Service docx

Tài liệu Pass a Dataset Back from an XML Web Service docx

... 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
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Tài liệu Building a DataSet Programmatically docx

Tài liệu Building a DataSet Programmatically docx

... Team LiB ] Recipe 2.2 Building a DataSet Programmatically Problem You want to build a DataSet programmatically—including adding tables, columns, primary keys, and relations—from a schema ... the DataSet identifying the tables, columns, indexes, constraints, and data relations that need to be created. 2. Create a new DataSet, naming it in the constructor. 3. Create a...
Ngày tải lên : 14/12/2013, 18:16
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Tài liệu Transmitting a DataSet Securely docx

Tài liệu Transmitting a DataSet Securely docx

... available to anyone. These key pairs are used both to encrypt data (data encrypted with the public key can only be decrypted with the private key) and sign data (data signed with the private ... CryptoStreamMode.Read); ds.ReadXml(cs, XmlReadMode.ReadSchema); cs.Close( ); dataGrid.DataSource = ds.DefaultViewManager; } catch(Exception ex) { dataGrid.DataSource = null;...
Ngày tải lên : 14/12/2013, 18:16
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