In this and later chapters you see how to modify the data-bound controls to include validation functionality.When you dropped the is considered a very good practice.
You’ll seriously regret that the day you have to change your connection string and have to wade through all the pages in your site looking for connection strings.The Express Local DB edition of SQL Server that you have used so far enables you to work with databases that are file).With Integrated Security, the account used by the web server is used to connect to the database.In the case of VS and IIS Express, this account is the one you use to log on to your machine.Therefore, later in this chapter, you see how to extend and customize these controls. Go back to the by selecting that name from the Choose Data Source drop-down list. On the same Smart Tasks panel, select the Enable Inserting item. Open the control’s Properties Grid by pressing F4 and then locate the .
Because the database generates this ID automatically, there is no point in letting the user enter a value for it.
If you click the same header again, the data is sorted in reverse order.
You can move to another page in the grid by clicking the numbers at the bottom. Click the Edit link for one of the genres, change the name in the text box that has appeared, and click the Update link.
Now that you’ve seen how to display, edit, and delete data, it’s time to learn how to insert new rows in the database using the is able to display data in a few different modes.
First of all, it can display an existing row in read-only mode.
By centralizing your connection strings you make it much easier to modify them when your database changes (for example, when you switch from a development environment to a production server).