... 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...
... .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...
... "< /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...
... 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...
... 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,...
... 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...
... 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...
... 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...
... 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
....
... 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...