Alpha Anywhere Tip - Computing a List Control Column Total by Using a New Server Side Event



Alpha Anywhere is constantly being enhanced, often times in response to questions/requests from actual users.

Here is an example of such a customer driven enhancement.

Using the Server-side AfterQuery Event - Computing a Column Total

For List controls that are based on a SQL query, the server-side AfterQuery event fires after the query to get the List data has been executed. This event is typically used to compute some Javascript code to return to the browser.

In this video we show how the event can be used to return the total for a column in the List. Since the List is paginated, all of the data in the List query is not currently shown in the List and therefore the calculation of the total must be done on the server.

Watch Video - Part 1
Watch Video - Part 2
Watch Video - Part 3

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About Author

Richard Rabins
Richard Rabins

Co-founder of Alpha Software, Richard Rabins focuses on strategy, sales, and marketing. Richard also served as CEO of SoftQuad International from 1997 to 2001, when it owned Alpha. In addition to his 30 years with the company, Richard played a key role as co-founder, and served as president and chairman of the Massachusetts Software Council (now the Massachusetts Technology Leadership Council), the largest technology trade organization in Massachusetts. Prior to founding Alpha, Richard was a project leader and consultant with Information Resources, Inc. (IRI), and a management consultant with Management Decision Systems, Inc. Richard holds a master's degree in system dynamics from the Sloan School at MIT, and a bachelor's degree in electrical engineering and master's degree in control engineering from University of the Witwatersrand in Johannesburg, South Africa. He has served on the boards of Silent Systems, Legacy Technology and O3B Networks, and is co-founder of Tubifi

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