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Gridview rowupdating example c

Figure 7: Set the Required Field Validator's After making these changes, open the page in a browser.

There, select each of the Bound Fields and click the "Convert this field into a Template Field" link.

Figure 3: Convert Each of the Details View's and Grid View's Bound Fields Into Template Fields (Click to view full-size image) Converting a Bound Field into a Template Field through the Fields dialog box generates a Template Field that exhibits the same read-only, editing, and inserting interfaces as the Bound Field itself.

NET 1.x had these same five validation controls, ASP.

NET 2.0 has added a number of improvements, the main two being client-side script support for browsers other than Internet Explorer and the ability to partition validation controls on a page into validation groups. To accomplish this, click on the Edit Templates link from the Grid View's smart tag to bring up the template editing interface.

Additionally, the page included a Details View whose , thereby always rendering in insert mode.

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Specifically, this tutorial takes the example created in the Examining the Events Associated with Inserting, Updating, and Deleting tutorial and augments the editing and inserting interfaces to include appropriate validation.

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If a user makes a data entry mistake - such as omitting the (such as -50) an exception will be raised from within the depths of the application architecture.The following markup shows the declarative syntax for the By clicking the "Convert this field into a Template Field," Visual Studio has created a Template Field whose templates mimic the user interface of the converted Bound Field.You can verify this by visiting this page through a browser.Figure 1: The Previous Example Allows Users to Add New Products and Edit Existing Ones (Click to view full-size image) Our goal for this tutorial is to augment the Details View and Grid View to provide validation controls.In particular, our validation logic will: in action).After setting these three properties of the Required Field Validator, your screen should look similar to Figure 7.