Aspxgridview rowvalidating event

09-Jun-2017 04:18

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After update I want to validate, check the values in controls on server side. Dev Express recommends subscribing to the Row Updating event, but this is plain wrong.

Useless as is very much of their so called support.

Let’s say you are a super mogul who happens to own eighty-nine different stores, shops, cafes, and the like. So today your task is to send your GM information about which business buys what and where.

To keep tabs on the products (and their prices) ordered by these eighty-nine establishments, you have created an awesome grid utilizing the Dev Express ASPx Grid View. You open you grid and stare at the data wondering how you could possibly send all the information contained in the grid to your new hire. You could waive it over your computer screen, utter a few Latin magic spells that would make Hermione Granger proud, and have all your data magically appear as a listing on a paper on your GM’s desk. That’s where I come in to introduce you to the ASP. data in your grid into either a PDF, an Excel spreadsheet, or into an RTF. Only this time, we will transform the document into and Excel spreadsheet.

You can evaluate the template controls as a group: I have found Dev Express extremely effective and flexible. There is no way to check if validation was successful. What you can do is to run validation again with ASPx Edit. But for this you would have to do a little hack (as always with devexpress).

All it comes back to client is some message like "Input string was not in a correct format".This blog shows you how to use the Do Row Validation method to validate a row of data in the ASPx Grid View.The sub-sections contain the complete steps for getting data into the grid, supporting editing the data, and validating the contents of the grid cells.If any of the values do not pass validation you can cancel the update/insert action.

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Could you outline your desired workflow in a little more detail?

Naming Container of any control in the edit form template.

Row validation is built into the ASPxGridView. Listing 2 The code-behind that shows the coordination between the StartRowEditing and RowValidating event handlers.… continue reading »

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Validation is implemented within the RowValidating event handler. Since the ASPxGridView is simply a visual representation of data on your screen.… continue reading »

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