Tài liệu Reading a Column Value Using Strongly Typed DataSet Classes pptx

... Reading a Column Value Using Strongly Typed DataSet Classes A strongly typed DataSet object allows you read a column value using a property with the same name as the column. For example, ... Customers table. Using a Strongly Typed DataSet Class Once you have your strongly typed MyDataSet class, you can create an object of that class using...

Ngày tải lên: 21/01/2014, 07:20

... code is shown in Example 9-13 . Example 9-13. File: ExecuteScalarForm.cs // Namespaces, variables, and constants using System; using System.Configuration; using System.Data.SqlClient; // ... [ Team LiB ] Recipe 9.10 Retrieving a Single Value from a Query Problem Given a stored procedure that returns a single value, you need the fastest way to get this data. Solut...

Ngày tải lên: 14/12/2013, 18:16

... 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 ... CustomerID, CompanyName, and ContactName columns using Query Builder, as shown in Figure 8.3 . Figure 8.3: Adding the CustomerID, CompanyName, and ContactName columns to the query using Quer...

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 ... Entering the advanced connection details You can also click the All tab to view and edit all the values for the connection, as shown in Figure 7.5 . To edit a value, you click Edit Va...

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

... the column in the DataTable is replaced by a value generated by the database. You need to retrieve the new value to keep the DataTable synchronized with the database. Solution Use Oracle's ... Team LiB ] Recipe 4.4 Getting a Sequence Value from Oracle Problem When you add a row into an Oracle table that uses a sequence to generate the value for a primary key...

Ngày tải lên: 21/01/2014, 11:20

... Digital Signal Processing: A Computer Science Perspective Jonathan Y. Stein Copyright  2000 John Wiley & Sons, Inc. Print ISBN 0-471-29546-9 Online

Ngày tải lên: 24/12/2013, 11:17

Ngày tải lên: 24/12/2013, 11:17

... Digital Signal Processing: A Computer Science Perspective Jonathan Y. Stein Copyright  2000 John Wiley & Sons, Inc. Print ISBN 0-471-29546-9 Online

Ngày tải lên: 24/12/2013, 11:17

... used and available. • Document the parts of the IOS image file name. • Check and document the configuration register settings related to boot method. • Document a fallback boot sequence. Background/Preparation ... Start a HyperTerminal session as performed in the Establishing a HyperTerminal session lab. Note: Go to the erase and reload instructions at the end of this lab. Perform...

Ngày tải lên: 18/01/2014, 04:20