creating a connection object using visual studio net

... Creating a Connection Object Using Visual Studio .NET To create a SqlConnection object using Visual Studio .NET, you drag a SqlConnection object from the Data tab of the Toolbox ... 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 ... with Visual Studio .NET Once you've created a SqlConnection object, that object appears in the "tray" below the form. The tray is used to store nonvisual components like SqlConnection...

Ngày tải lên: 21/01/2014, 07:20

... 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 ... 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) . ... This object will have the default name of sqlConnection1. 3. Configure your sqlConnection1 object to access your Northwind database. Drag a SqlCommand object to your form. Figure 8.1 shows a...

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 VS .NET ... for the Data Adapter Configuration Wizard Click the Finish button to complete the Wizard. A SqlDataAdapter object named sqlDataAdapter1 is now added to the tray beneath your form, as shown ... allows you to generate a DataSet object using the information set for your DataAdapter. You'll use this link in the next section to generate a new DataSet. • Preview Data This link allows...

Ngày tải lên: 21/01/2014, 07:20

Ngày tải lên: 21/01/2014, 07:20

... Start Without Debugging. Figure 9.4 shows the running form. Figure 9.4: The running form Using a DataReader Object in Visual Studio .NET You can't visually create a DataReader object ... DataReader object in Visual Studio .NET (VS .NET) ; you can only create them using program statements. In this section, you'll see how to create a SqlDataReader object and use it to retrieve ... from a SqlCommand object, which you saw how to create using VS .NET in the previous chapter . That SqlCommand object contained a SELECT statement that retrieved the CustomerID, CompanyName, and...

Ngày tải lên: 07/11/2013, 10:15

Ngày tải lên: 20/08/2013, 16:48

Ngày tải lên: 20/08/2013, 15:08

Ngày tải lên: 20/08/2013, 16:48

Ngày tải lên: 21/01/2014, 12:20

... View tab uses a CrystalReportViewer object on the tab page. Steps Open and run the Visual Basic .NET- Chapter 10 solution. Click on the button labeled How-To 10.4. Clicking on the tabs, you can ... data has been exported. The last tab, View, displays the report in a Viewer. 1. Create a Windows Form. Then place a Tab control on your form. 2. Add pages for Print, Export, and View, using ... or Exported Using Visual Basic .NET Code I know I can use the Crystal Report Viewer to print and export my reports, but I want to be able to have control over that, and maybe not even include...

Ngày tải lên: 20/10/2013, 13:15

Ngày tải lên: 25/10/2013, 06:15