Updating gridview control

Posted by / 08-Jun-2017 00:03

Updating gridview control

collection and can include hard-coded values, common parameter source values (querystring fields, session variables, Web control values, and so on), or can be programmatically assigned.

When the Sql Data Source control s method is invoked either programmatically or automatically from a data Web control a connection to the database is established, the parameter values are assigned to the query, and the command is shuttled off to the database.

However, this approach requires that we manually write out the SQL statements by hand, which can be monotonous and error-prone.

Fortunately, the Configure Data Source wizard provides an option to have the statements checkbox will only be checkable if the table selected has a primary key and the primary key column (or columns) are included in the list of returned columns.

The Use optimistic concurrency checkbox, which becomes selectable once the Generate statements to provide optimistic concurrency control.

For now, leave this checkbox unchecked; we'll examine optimistic concurrency with the Sql Data Source control in the next tutorial.

An Overview of Inserting, Updating, and Deleting examined using the Object Data Source to facilitate inserting, updating, and deleting with the Grid View, Details View, and Form View controls.Note Since we ve already discussed the inserting, editing, and deleting capabilities of the Grid View, Details View, and Form View controls, this tutorial will focus on configuring the Sql Data Source control to support these operations.If you need to brush up on implementing these features within the Grid View, Details View, and Form View, return to the Editing, Inserting, and Deleting Data tutorials, starting with An Overview of Inserting, Updating, and Deleting.For now, let s use the Properties window in the Designer, although the Configure Data Source wizard or declarative syntax option would work just as well.From the Designer in Sql Data Source and then bring up the Properties window (from the View menu, choose Properties window, or simply hit F4).

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To add validation controls or to customize the interfaces, you need to convert the Bound Fields to Template Fields.

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