Rowupdating event in asp
You can then, after doing your first data retrieval, pull the number of rows being retrieved from the Select Argument's Total Row Count property.This example skips checking the Total Row Count if it's zero (indicating that the count hasn't yet been retrieved), but if the property has a value, uses it to calculate the number of pages that will be required if records are retrieved in batches of 10: Checking for Problems In all the Data Sources, the e parameter on the *ed events lets you handle problems.His blog posts on user experience design can be found at NET 2.0 Grid View control allows us to quickly edit and delete records.Where a lot of records are being retrieved, you may want to retrieve in batches.
Enter the database details as per your setup and click on OK.This example ties the Sql Data Source's Select Command to a stored procedure called Get Customers By Region that requires a parameter called "Region": this. For instance, you can set a sort order on a SQL statement being used to retrieve the data through the Select Arguments' Sort Expression property.This example sorts by the City column, in descending order: If you are looking at controlling sorting, the associated Data View has events that complement the Data Source's Sort Expression.the Deleting event fires before issuing a delete) and fires *ed events afterwards (e.g. You could, for instance, validate any data in the Updating event and, if you find a problem, prevent the update by setting the Cancel property to True.the Deleted event fires after a delete is performed). There's nothing wrong with that, but I'd recommend using the similarly named event on the Data View that the Data Source is bound to.