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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.
Alternatively, the Sql Data Source can be used in place of the Object Data Source.
In previous tutorials we learned how the Object Data Source control allowed for inserting, updating, and deleting of data.
The Sql Data Source control supports the same operations, but the approach is different, and this tutorial shows how to configure the Sql Data Source to insert, update, and delete data.
As discussed in An Overview of Inserting, Updating, and Deleting, the Grid View control provides built-in updating and deleting capabilities, while the Details View and Form View controls include inserting support along with editing and deleting functionality.
These data modification capabilities can be plugged directly into a data source control without a line of code needing to be written.
You can know more about j Query Data Table from the following link.Figure 2: Select the Delete Query Property from the Properties Window provide a value for this parameter (leave its Parameter source at None ).Once we add deleting support to the Grid View, the Grid View will automatically supply this parameter value, using the value of its property added, the Grid View s smart tag now contains the Enable Deleting option. As discussed in An Overview of Inserting, Updating, and Deleting, this causes the Grid View to add a Command Field with its .As Figure 4 shows, when the page is visited through a browser a Delete button is included. Figure 4: Each Grid View Row Now Includes a Delete Button (Click to view full-size image) Upon clicking a Delete button, a postback occurs, the Grid View assigns the Figure 5 depicts this interaction graphically.Refer back to the Examining the Events Associated with Inserting, Updating, and Deleting tutorial for a more detailed discussion on the chain of events associated with inserting, updating, and deleting from a data Web control.
Now run the application and select the file other than Excel which shows the following error as shown in the following: Now select the Excel file, which shows the following message after Suceessfully Uploaded: Now click on view files details.