Cellvalidating event in gridview

This problem was also raised in a Stack Overflow Question which seemed to advocate for handling the method, thereby ensuring that the grid would evaluate whether or not the Cell’s value had, indeed, changed and fire the corresponding event appropriately I must admit, this works, but feels like more of a work around than a solution.What if someone is able to make a selection without a click event?Note that the Valid parameter can be initially set to false.This takes place if the editor fails automatic validation.In the options group box, you can choose to include event handlers notifications or not.

It’s important to note that this event will get called twice, once on changing the state of the cell to dirty (before committing changes) and once when changing the cell state back to ‘clean’ (after the changes have been committed).The default event handling result (displaying an error icon and tooltip leaving the editor focus unchanged) can be overridden by handling the Invalid Value Exception event.The following example prohibits invalid "col Budget" column cell value assignment.Still, it doesn’t make much sense when we think about the way Check Box’s work, in that, they can only ever be On or Off, and that once you have made your selection, you’re probably pretty confident that you want to change the value.Any solution is going to involve using an event that definitely will fire to stop the Data Grid View from thinking it’s in edit mode.

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