Pressing the Cancel button bypasses Validating, which is perfect. Add(panel); In this simplified example the textbox will not let you proceed if there are 3 characters input.However, pressing Escape to cancel the form does not perform the same as pressing the Cancel button - it raises the Validating event and prevents the user from exiting. You can press the Cancel button or close the form directly even if there are 3 characters present; however pressing the Escape key will not do the same - it fires the Validating event whereas it should be doing the same as pressing Cancel.Do not get distracted by the complete validation mechanism of these specific examples.
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So before saving data, I want to validate whether all the required fields are filled (Text Boxes) by the user. I would rather use a generic function that would be passed each control on the form and based on the type of the control, separate validation logic would be written.
in case extra validation like restricting validation to some of the controls only, that would be decided at the function calling level.
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The Causes Validation property is True by default on all the controls, but I have changed this to False on the Cancel Button.
Sure enough, clicking OK or pressing the Enter key will run the Validating event I wired up to the Text Box.
Cancel = true' instruction at the right place of your own validating method.
I have a simple Form with a single Text Box, plus OK and Cancel buttons.
Is there any way of making the Escape key perform as intended, i.e. I just saw this problem as I was hunting a solution for the same and the override of Processdialog Key is the MS-approved solution until they fix the bug (Escape should do the same as clicking Cancel).
not raise the Validating event, just as if the Cancel button had been pressed? A discussion of this bug is also found here (just working with Visual Basic instead of C#.
Introduction The Highlights of Windows Forms Validation Programmatic Validation vs. NET Genghis Acknowledgements References Call me weird, but one of my favorite films is Amazon Women on the Moon, a 1950s B-Grade science fiction movie parody interspersed with several short comedy sketches in the same style as The Kentucky Fried Movie.