By Donny Mack
Programming Data-Driven internet purposes with ASP.NET presents readers with an excellent realizing of ASP.NET and the way to successfully combine databases with their websites. the main to creating info immediately on hand on the net is integrating the website and the database to paintings as one piece. The authors educate this utilizing ASP.NET, server-side controls, ADO+, XML, and cleaning soap. The authors will educate readers the best way to deal with info through the use of ASP.NET types, exposing info via ASP+ net companies, operating with BLOBs, and utilizing cookies and different positive factors to safe their information.
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Additional resources for Programming Data-Driven Web Applications with ASP.NET
Example text
5 makes use of that knowledge. On line 08, you create a DataTable dynamically. On lines 16 21, you add columns to the DataTable's Columns collection. Read() method. If the "Country" field is "USA", you create a new DataRow (line 25) and add the values of the current record in the DataReader stream to the row (lines 26 31). On line 32, you add the new DataRow object to the DataTable's Rows collection. Finally, you bind the dynamically created DataTable to the DataGrid server control. 3. 3. Read() method to iterate through the result set and react to the data.
OleDb namespace. 0 or greater. It connects and negotiates directly with SQL Server without using OLEDB. 0 or higher. SqlClient namespace. only for RuBoard only for RuBoard Managed Connections Much like classic ADO, the OleDb and SQL Managed Connection objects (OleDbConnection and SqlConnection) provide a set of properties that might be familiar to you. 1. Properties that apply to only one of the Managed Providers are indicated. 1. ConnectionTimeoutGets or sets the time to wait while establishing a connection before terminating the attempt and generating an error.
This will set up the DataGrid to display the entire contents of the stream. However, with a data stream, you can step through the data that's returned very easily and decide how to react to it. The DataReader exposes a Read() method which advances to the next record in the stream. Using the Read() method you can iterate through the result set evaluating or working with the data. Read()){ //Do something with the current row } You should be able to come up with a good reason to step through the results of a command execution and evaluate the results.