using a web service as a data source
Tài liệu Using a Web Service as a Data Source pdf
Ngày tải lên :
21/01/2014, 11:20
... "Order_OrderDetails_Relation";
// . . .
[WebMethod]
public DataSet LoadOrders( )
{
DataSet ds = new DataSet( );
SqlDataAdapter da;
// Fill the Order table and add it to the DataSet. ... orders table to the grid.
dataGrid.DataSource = ds.Tables[ORDERS_TABLE].DefaultView;
Discussion
An XML web service is software that is accessible using Internet standards such as XML
and HTTP. ... Northwind as a local class or as a web services class.
[ Team LiB ]
using System .Data;
// Table name constants
private const String ORDERS_TABLE= "Orders";
// . . .
// Create...
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Tài liệu Updating Server Data Using a Web Service pptx
Ngày tải lên :
24/12/2013, 05:15
... . . .
[WebMethod]
public DataSet LoadOrders( )
{
DataSet ds = new DataSet( );
SqlDataAdapter da;
// Fill the Order table and add it to the DataSet.
da = new SqlDataAdapter("SELECT ...
example—the DataSet should be marshaled as XML instead of the DataSet class, which
is specific to .NET. This can easily be done using the WriteXml( ) and ReadXml( )
methods of the DataSet class. ... the UpdateOrders( ) method in the web service passing a DataSet containing
changes made to the DataSet since the form was loaded or since the last time the
UpdateOrders( ) method was called....
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Tài liệu Updating Server Data Using a Web Service ppt
Ngày tải lên :
26/01/2014, 10:20
... . . .
[WebMethod]
public DataSet LoadOrders( )
{
DataSet ds = new DataSet( );
SqlDataAdapter da;
// Fill the Order table and add it to the DataSet.
da = new SqlDataAdapter("SELECT ...
Northwind and a DataRelation between those tables.
UpdateOrders( )
Takes a DataSet argument containing the changes made to the DataSet created by
the LoadOrders( ) method, creates two DataAdapter ... GetChanges( ) method is called on the client-side DataSet to create a
copy of the DataSet containing only the changes. This DataSet is passed to the web
service instead of the entire DataSet...
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Tài liệu Using a Web Service doc
Ngày tải lên :
14/12/2013, 22:15
...
Using a Web Service
In this section, you'll see how to use a Web service in a Windows application.
Start VS .NET and select File ➣ New ➣ Project. Create a new Windows application
named ... application
named UseWebServiceInWindows. Drag a DataGrid, TextBox, and Button control to
your form. Set the Name property of your DataGrid to customersDataGrid. Set the Name
property of your ... then replace localhost
with the name of your remote computer.
Your Web service will be located and a test page displayed (see Figure 17.8
).
Note Once again, if your Web service is not...
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Viewing a WSDL File and Testing a Web Service
Ngày tải lên :
24/10/2013, 12:15
... returns a DataSet with a DataTable containing the one
row from the Customers table with a CustomerID of ALFKI, as shown in Figure 17.5
.
Notice that the equals (=) and single quote (') characters ... method to return a DataSet with a DataTable
containing all the rows from the Customers table (see Figure 17.6
). Notice that the space
characters in the whereClause parameter value have been converted ... 'ALFKI'
As you can see from Figure 17.5
, the DataSet is returned as an XML document. You can
use this XML in your client programs that use the Web service. You'll see how to write a
client...
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Creating a Web Service
Ngày tải lên :
28/10/2013, 19:15
... SqlCommand mySqlCommand = mySqlConnection.CreateCommand();
mySqlCommand.CommandText = selectString;
SqlDataAdapter mySqlDataAdapter = new SqlDataAdapter();
mySqlDataAdapter.SelectCommand = ... = mySqlCommand;
DataSet myDataSet = new DataSet();
mySqlConnection.Open();
mySqlDataAdapter.Fill(myDataSet, "Customers");
mySqlConnection.Close();
return myDataSet;
}
... null;
Creating a Web Service
In this section, you'll create a Web service that contains a method that returns a DataSet
containing rows from the Customers table.
Start VS .NET and select...
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Registering a Web Service
Ngày tải lên :
07/11/2013, 15:15
... Logging in using a Microsoft Passport account
Note If you don't have a Passport account, click the Get One Now link and sign up for a
Passport account.
Enter your email address, name, and ... your email address, name, and phone number
Read the Terms Of Use page and click Accept if you want to continue.
If you create a really useful Web service that you believe other organizations ... register a Web service using Microsoft's Universal
Description, Discovery, and Integration (UDDI) service. You can think of UDDI as a
distributed directory of Web services that you can use...
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Tài liệu Module 7: Building and Consuming a Web Service That Uses ADO.NET ppt
Ngày tải lên :
10/12/2013, 16:15
... class.
!
What are some other ways that you could fill the local DataSet with data
other than by using a DataAdapter?
!
What is the purpose of creating an empty, local instance of a DataSet?
! ... (by using an .xsd file).
!
Create an empty instance of the typed DataSet.
!
Run a query or perform calculations, and fill the DataSet. A DataAdapter is
commonly used to fill the DataSet. ... Consuming a Web Service That Uses ADO.NET
How to Build a Web Service That Returns Database Information
!
Web services that return database information
typically:
"
Establish a connection...
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Tài liệu What Is a Web Service? ppt
Ngày tải lên :
15/12/2013, 00:15
... standard, accepted, and well-understood protocol called
HTTP to transmit data, and a portable data format that is based on XML. HTTP and
XML are both standardized technologies that can be used ... Just as Distributed Component Object Model (DCOM) is thought of as
“COM with a longer wire,” a Web service can be thought of as a component with a truly
global reach. Web services use a standard, ... can concentrate on building a Web service.
Web Services Enhancements
Not long after Web services became a mainstream technology for integrating distributed
services together, it became apparent...
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Tài liệu ANTHROPOLOGY: AS A SCIENCE AND AS A BRANCH OF UNIVERSITY EDUCATION IN THE UNITED STATES pptx
Ngày tải lên :
13/02/2014, 05:20
... Eurafrica, Austafrica, Asia, America, Oceanica. Causes and consequences of
the migrations of races and nations.
a. The Eurafrican Race.—Types of the white race. Its first home. Early migrations. ... of languages. Universal alphabets. Logical relations of the parts of speech.
The vocabulary and the grammar of languages. Distinctions between languages and
dialects. Mixed languages and jargons. ... Races.
Theories of monogenism and polygenism. Doctrine of “geographical provinces” or
“areas of characterization.” The continental areas at the date of man’s appearance on
the earth. Eurafrica,...
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Tài liệu Báo cáo khoa học: "Detection of Japanese Homophone Errors by a Decision List Including a Written Word as a Default Evidence" docx
Ngày tải lên :
22/02/2014, 03:20
... addition of a small value is
an easy and effective way to avoid the unsatisfactory
case, as shown in (Yarowsky, 1994).
{est(wl, ), ea(w , e#), • • •, e e#)),
and set the word wk as the
answer ... increases.
Our method has an advantage that the size of
DL1 is smaller. The size of the decision list has
no relation to the precision and the recall, but a
small decision list has advantages ... problem by using various
1 '~' ~.,~. and '~.~ m~,' have a same phone 'i-sift'. The
meaning of '~,' is a general will, and the meaning of
'~:~'.~.,,...
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Create a Simple XML Web Service Using Parameters
Ngày tải lên :
20/10/2013, 13:15
... descriptions to the Web Service.
13.2 Create a Simple XML Web Service Using Parameters
I have seen how to create a Web Service using the sample that Microsoft provides. This
was instructive but ... Login Name and Password. It
will then check against a table that you will create of names, passwords, and security
levels.
The method you will create first will then pass back True or False ... name and
password are found.
Looking at the Security Table
The security table is included in the Web Service& apos;s Web folder. It is called
WebServiceSecurity.MDB and is, in fact, a jet database....
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