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The first screen, shown below, prompts you to select the database from which the data will be queried.The drop-down list lists existing connection strings defined in the , you have one place to update.

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If not, you have to find each and every page that references the connection string and update it accordingly.

Furthermore, by placing your connection string information in The Access Data Source differs from the Sql Data Source in one minor aspect - rather than specifying a connection string as with the Sql Data Source, the Access Data Source prompts for the path to the database file.

Here you can see that I'm returning the By default the data is returned in the order the database stores the records.

If there's a clustered index (such as a primary key constraint) on the table, the data will be ordered by the column(s) that make up that index; otherwise, the data is ordered by order it was entered into the database table.

While you can set all of these properties by hand in the Source view, the Design view offers a time-saving wizard for quickly specifying which database to connect to and what query to issue.

To get started, fire up Visual Studio 2005 and create a new website or, alternatively, download the code example at the end of this article.

However, the remaining screen shots are identical for both the Access Data Source and Sql Data Source. As you can see by the two radio buttons at the top of the screen you can either pick a table or view and select the columns to return (as shown in the screen shot below), or write a custom SQL statement or pick a stored procedure.

If you opt to specify columns from a table or view, simply pick the table or view from the drop-down list and then check those columns you want to return.

This article is one in a series of articles on ASP. NET 1.x, you'd need to write code to: While only five to ten lines of code is needed to perform these four steps, and libraries like the Data Access Application Block help reduce the volume of code that you need to write, the fact remains that in order to access or modify data in an ASP. In this article we'll be examining how to access data from databases with the Sql Data Source and Access Data Source controls.

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