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    Datagridview onvalidating

    , the actual databinding mechanics are much nicer in . For one the new controls manage typed values much nicer with some basic inputmasking to match the type.

    There's a Value property which looks like this: I'm probably missing something obvious, but after searching around for an hour today and running into lots of small pieces I still haven't found a resource that explains how the Binding Source actually hooks up the values.

    For more information, see Data Display Modes in the Windows Forms Data Grid View Control.

    Virtual mode requires the implementation of a data cache from which the Data Grid View control is populated.

    The Format event on a data binding can be used to reformat incoming data to comply with the mask, and the Parse event can be used to reformat outgoing data to comply with the specifications of the data field. If you want full programmatic control over validation, or need to perform complex validation checks, you should use the validation events built into most Windows Forms controls.

    Each control that accepts free-form user input has a Validating event that will occur whenever the control requires data validation.

    If you need to require users to enter data in a well-defined format, such as a telephone number or a part number, you can accomplish this quickly and with minimal code by using the Masked Text Box control. The following table provides direct links to common tasks.dgv_tasks Although the Data Grid View control replaces and adds functionality to the Data Grid control of previous versions, the Data Grid control is retained for both backward compatibility and future use if you choose. For additional information about the features available in the Data Grid View control, see Data Grid View Control (Windows Forms).Specifically what triggers the On Validation or On Property Changed operations that presumably update the control and underlying data sources. The correct url is: To Market/Data Binding/Data Binding Hmmm... I've already been implementing a Value Changed event unbeknownst to the fact that this is supposed to provide the change notifications. Implementing INotify Property Change does the trick though.INotify Property Change seems to update the control values.

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