delphi - tutorial - creating a text editor using delphi

... application 7 an About box 24 components to a form 3, 13 images to an application 11 menus to an application 13 objects to a form 4 standard actions to an application 9 toolbars to an application 16 applications, ... there. 24 Tutorial Creating an About box Creating an About box Many applications include an About box which displays information on the product such as the name, vers...

Ngày tải lên: 16/04/2014, 11:15

... Controls page provides data-aware controls that work with data in a database and build a user interface. You’ll display the database in a grid and add a few commands and a navigation bar. Creating ... unidirectional dataset A basic database application uses a dataset to access information from the database. In dbExpress applications, you use a unidirectional dataset. A...

Ngày tải lên: 16/04/2014, 11:13

... display and manipulate. Similarly, all datasets must be associated with a data source component for their data to be displayed and manipulated in data-aware controls on a form. To add the data ... display the database in a grid and add a few commands and a navigation bar. Creating the grid and navigation bar To create the interface for the application: 1 You can start by adding...

Ngày tải lên: 16/04/2014, 11:16

... 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. Router#erase startup-config ... information in the table above in order for CDP to be able to collect information about them. Refer to prior labs on configuring serial and Ethernet interfaces and making changes to co...

Ngày tải lên: 04/11/2013, 16:15

... 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 usin...

Ngày tải lên: 21/01/2014, 07:20

... 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 ... 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 connection timeout...

Ngày tải lên: 21/01/2014, 07:20

... 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 ... 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 named...

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) ... 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...

Ngày tải lên: 21/01/2014, 07:20

... 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(dataSet1...

Ngày tải lên: 20/08/2013, 16:48