... Page_Load event is raised.
The Page_Load event is raised whenever the Web form is loaded by a browser.
Typically, you'll place any initialization code in the Page_Load() method. For example, ... this case, the code-
behind file is Web-Form1.aspx.cs. The AutoEventWireUp attribute indicates whether the
ASP.NET framework automatically calls the Page_Init() and Page_Load() event handler ... new application being sent to IIS.
Once your application has been deployed to IIS, VS .NET will display a blank
Web form. You can think of the Web form as the canvas on which you can place...
... the mind, a false creation,\n" +
Developing aSimple Windows Application
In this section, you'll see how to create asimple Windows applicationusing VS .NET.
This application will ... Ctrl+Alt+X on your keyboard.
You can see that the available items in the Toolbox are categorized into groups with
names such as Data and XML Schema. The Toolbox will show only categories that are ... compile and run the example application.
Creating the Windows Application
Start VS .NET by selecting Start ➣ Programs ➣ Microsoft Visual Studio .NET ➣
Microsoft Visual Studio .NET. To create a new...
... this means that they are accessible only in the Form1 class.
Access modifiers enable you to specify the degree to which a class member is available
outside the class. You can also use an access ...
class itself is available.
Table 6.1
shows the access modifiers in decreasing order of availability: public is the
most accessible, and private the least.
Table 6.1: ACCESS MODIFIERS
ACCESS ... Form1 class declares two private objects named myLabel and myButton, which are
the label and button controls you added to your form earlier. Because the myLabel and
myButton objects are private,...
...
Creating a Windows Forms Application
So far you have used Visual Studio 2005 to create and run a basic Console application.
The Visual Studio 2005 programming environment also contains ... performs operations such as
creating and displaying the form when the application starts, and creating
and positioning the various controls on the form. However, this code can
change as you add controls ... System.Windows.Forms;
The additional namespaces contain the classes and controls used when
building graphical applications—for example, the TextBox, Label, and
Button classes.
o
The namespace
Visual Studio...
... 10:47 AM Page 239
226 CHAPTER 10
■
BUILDING A SAMPLE APPLICATIONUSING ASP.NET AJAX
Figure 10-1. An ASP.NET AJAX-based stock application
Understanding the Application Architecture
The application ... you
looked at a real-world application and how you would implement it as an AJAX applica-
tion quickly, simply, and powerfully using ASP.NET AJAX.
CHAPTER 10
■
BUILDING A SAMPLE APPLICATIONUSING ASP.NET ... have added AJAX capabilities to this application, and
the page will not blink as it obtains data and renders the updates.
You can see that there is no explicit coding for a partial-page update...
... 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 ... True or False based on if the User and Password exist.")>
Public Function TestUserPassword(ByVal strUserID As String, _
ByVal strPassWord As String) As Boolean
You can see what the ... 13.9. Adding descriptions to the Web Service.
13.2 Create aSimple XML Web Service Using Parameters
I have seen how to create a Web Service using the sample that Microsoft provides. This
was...
... configuration
–
Add a database to a broker configuration
ã
Primary database must be started with an SPFILE.
Copyright â 2006, Oracle. All rights reserved.
4 - 25
Viewing Data Guard Performance
... Standby
Database by Using Enterprise Manager
Copyright â 2006, Oracle. All rights reserved.
4 - 11
Step 3: Select the Standby Database Location
Instance Name
Copyright â 2006, Oracle. All ... Oracle. All rights reserved.
4 - 6
Creating a Configuration
Click “Add Standby Database” to
start the wizard.
Copyright â 2006, Oracle. All rights reserved.
4 - 15
Step 5: Specify Standby Database...
... interface even though a specific router may
contain one. An example of this might be an ISDN BRI interface. The string in parenthesis is the legal abbreviation
that can be used in IOS command ... typing enable.
If prompted for a password, enter class. If “class” does not work, ask the instructor for assistance.
Router>enable
At the privileged EXEC mode, enter the command erase startup-config. ... 4.1.4 Creatinga Network Map using CDP
Objective
ã Use Cisco Discovery Protocol (CDP) commands to get information about neighboring network
devices.
Background/Preparation
CDP discovers and...
... Logical Standby Database
ã
Configure the database guard to control user access to
tables.
ã
ALTER DATABASE GUARD command keywords:
ALL: prevents users from making changes to any data in
the database.
–
STANDBY: ...
the database.
–
STANDBY: prevents users from making changes to any
data maintained by Data Guard SQL Apply.
NONE: normal security
ã
Query GUARD_STATUS column in V$DATABASE.
ã
Database guard level ... Logical Standby Database
with Enterprise Manager
Click “Add Standby Database.”
7
Copyright â 2006, Oracle. All rights reserved.
Creating a Logical Standby Database by Using
Enterprise Manager
...
... pair holds one pair of the parameters.
class Param // A class that stores a name-value pair of parameters.
{
private String name, value;
Param (String n, String v){name = n; value = v;} //constructor
protected ... by that value. It also discards the HTTP/1.1 at
the end of the string.
The client data consists of a set of name-value pairs. These are stored in a small wrapper class called
Param. Each pair ... </table>
Tables are widely used in HTML to display data in even rows and columns, not just for displaying data
from a database.
The Java Processing Program
package client_server;
// DisplayAddressProcessor...
...
Creating a Command Object Using Visual Studio .NET
To create a SqlCommand object using Visual Studio .NET (VS .NET), you drag a
SqlCommand object from the Data tab of the Toolbox ... project named MyDataReader containing a Windows application.
2. Add a SqlConnection object to your project (refer back to the previous chapter
to
see how to add a SqlConnection object using VS .NET). ... can also drag an
OleDbCommand object from the Data tab of the Toolbox to your form.
Before you perform the procedure explained in this section, do the following:
1. Create a new project named...
... You'll recall that a SqlConnection
object allows you to connect to a SQL Server database. You can also drag an
OleDbConnection object from the Toolbox to your form to connect to a database ... correct.
At this point, you've entered all the mandatory details, and you can choose to save your
details by clicking OK, or you can click Advanced to enter additional details such as the ... object that
connects to the SQL Server Northwind database is set to
data source=localhost;initial catalog=Northwind;persist security info=False;
user id=sa;pwd=sa;workstation id=JMPRICE-DT1;packet...
...
create a SqlDataAdapter object by dragging a SqlDataAdapter object from the Data tab of
the Toolbox to your form. When you drag a SqlDataAdapter object to your form, you
start the Data Adapter ...
Creating a DataAdapter Object Using Visual Studio .NET
In this section, you'll learn how to create a DataAdapter using Visual Studio .NET.
N
ote You'll find a completed ... Configure Data Adapter This link allows you to re-enter the Wizard to configure
your DataAdapter.
ã Generate Dataset This link allows you to generate a DataSet object using the
information set...
...
Creating a DataSet Object Using Visual Studio .NET
In this section, you'll learn how to create a DataSet using Visual Studio .NET.
N
ote You'll find a completed VS .NET example ... form, and add
code to your form to fill it using the Fill() method of a DataAdapter object.
ã Click the Generate Dataset link at the bottom of the Properties window of your
DataAdapter. You can ...
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...
... window for sqlDataAdapter1. Accept
the defaults in the dialog box, and click the OK button to create a DataSet object
named dataSet11.
5. Drag a DataView object from the Data tab of the Toolbox ...
15. InitializeComponent();
16.
17. // call the Fill() method of sqlDataAdapter1
18. // to populate dataSet11 with a DataTable named
19. // Customers
20. sqlDataAdapter1.Fill(dataSet11, "Customers"); ... binds the
data stored in dataView1 to dataGrid1 and allows dataGrid1 to access any data
stored in dataView1.
Figure 13.2: Setting the Properties of dataGrid1
9. Select View ➣ Code and set the...