Tài liệu Creating a Class doc

... TestClass class definition must be in a file named TestClass.as. A class file defines characteristics about the class by creating properties and methods. The properties and methods of a class ... have the same name as the class. Let's modify the Cube class we just created to contain a constructor method and accept parameters so that we can create a custom cube...

Ngày tải lên: 21/01/2014, 13:20

... programmatically to participate automatically in an existing transaction, to start a new transaction, or to not participate in a transaction. The following steps prepare a class to participate ... they can participate in an automatic transaction. Once an object is marked to participate in a transaction, it will automatically execute within a transaction. The object's trans...

Ngày tải lên: 24/12/2013, 05:15

... Creating a Table You can use Enterprise Manager to add a table to a database. In this section, you'll add a table to the Northwind database to store the details of a person. This table ... FirstName nvarchar 15 No LastName nvarchar 15 No DateOfBirth datetime 8 Yes Address nvarchar 50 Yes EmployerID nchar 5 No To create a table in the Northwind database, you select t...

Ngày tải lên: 26/01/2014, 07:20

... current instance is greater than the value of the parameter As an example, consider the Circle class that was described in Chapter 7, Creating and Managing Classes and Objects,” and is reproduced ... Creating a Generic Class The .NET Framework Class Library contains a number of generic classes readily available for you. You can also define your own generic classes, which is...

Ngày tải lên: 24/12/2013, 09:16

... When all the tags are in the class, Intellisense is reenabled. 19. Add private variables directly below the class declaration to store class data, as shown in Listing 9.11. You should have ... • A private variable for each property to store class data • Code to modify and return that data Steps 1. Create a Windows Form and name it frmHowTo9_2. Then place text boxes for eac...

Ngày tải lên: 24/12/2013, 06:17

... graphical applications—for example, the TextBox, Label, and Button classes. o The namespace Visual Studio 2005 has used the name of the project as the name of the top- level namespace: namespace ... 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 conta...

Ngày tải lên: 24/12/2013, 09:16

... new password once and then again for verification. To add additional Samba user accounts , repeat steps 1 and 2. 3. Create the Samba password file. Enter the following command at the command ... cat /etc/passwd | /usr/bin/mksmbpasswd.sh > /etc/samba/passwd 4. Add an SMB password for users that have Samba accounts. Enter smbpasswd johnd at the shell prompt. After this command has ... a...

Ngày tải lên: 18/01/2014, 05:20

... 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 ... a new 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 ....

Ngày tải lên: 21/01/2014, 07:20

... 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 ... the Data Adapter Configuration Wizard. Figure 10.12: Final dialog box for the Data Adapter Configuration Wizard Click the Finish button to complete the Wizard. A SqlDataAdapter object...

Ngày tải lên: 21/01/2014, 07:20

... sqlDataAdapter1.Fill(dataSet11, "Products"); sqlConnection1.Close(); System.Data.DataTable myDataTable = dataSet11.Tables["Products"]; foreach (System.Data.DataRow myDataRow in myDataTable.Rows) ... 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...

Ngày tải lên: 21/01/2014, 07:20