Tài liệu Pass a Dataset Back from an XML Web Service docx
Tài liệu Pass a Dataset Back from an XML Web Service docx
... once again
checks the username and password by calling the TestUserMethod of the Web
Service. If the username and password check out, then the GetUserInfo method is
called, passing the username ... username once again. The first table from the returned dataset
is assigned to the DataSource property of dgUsers.
Listing 13.6 frmHowTo13_4.vb: Retrieving a Dataset from a Web...
Tài liệu Building a RISC System in an FPGA Part 2 docx
... of state:
• DCANNUL: annul DC stage
• EXANNUL: annul EX stage
• DCINT: int in DC stage
• DMAP: DMA transfer pending
• INTP: interrupt pending
DCANNUL and EXANNUL are set
after executing a jump ... code,
schematics, and links to related
sites.
REFERENCE
[1] D. Patterson and J. Hennessy,
Computer Organization and
Design: The Hardware/Software
Interface, Morgan Kaufmann, San
Mateo, CA, 1994.
F...
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. ... convert a DataSet to an ADO Recordset so that you can use it in a legacy
application.
Solution
You must persist the DataSet to XML, transform it to ADO Recordset schema,...
Tài liệu Filling a DataSet Using an XML Template Query ppt
... Create the DataSet.
DataSet ds = new DataSet( );
// Create the SQL XML DataAdapter.
SqlXmlAdapter da = new SqlXmlAdapter(cmd);
// Fill the DataSet.
try
{
da.Fill(ds);
}
catch(Exception ... XPath queries
Sql
Executes a SQL command
UpdateGram
Executes an updategram
XPath
Executes an XPath command
CommandStream The stream to execute the command from.
N...
Tài liệu Synchronizing a DataSet with an XML Document pptx
... 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: ...
Populate a DataSet with both schema and data. Synchronize it with a new
XmlDataDocument, initializing it with the DataSet in the constructor.
Method 2
Populate a...
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...
Tài liệu Transmitting a DataSet Securely docx
... use both a private key that must be kept secret and a public
key that can be made available to anyone. These key pairs are used both to encrypt data
(data encrypted with the public key can only ... demonstrates serializing the encrypted DataSet to a file, you can
use the same technique to serialize the DataSet to a stream so that it can be transmitted
securely in an environm...
Tài liệu Retrieving a Single Value from a Query pdf
... compared to retrieving a single value using an
output parameter or using a DataReader, it allows a single value to be returned with the
least code and may therefore improve readability and maintainability. ... ExecuteScalar( ) method of the Command object returns a single value from the data
source rather than a table or data stream. While the ExecuteScalar( ) method does not...
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 ... and a timer.
The sample code contains two event handlers and one method:
Form.Load
Sets up the sample by creating a DataTable containing the Categories table from
the Northwind dat...
Tài liệu Creating a DataSet Object Using Visual Studio .NET docx
...
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
.
Figure 10.14: The Generate Dataset ... form, and add
code to your form to fill it using the Fill() method of a DataAdapter object.
• Click the Generate Dataset link at the bottom of the Properties window of your
DataAd...