Vb net leave validating

There is a control called Required Field Validator that automatically checks if a text box has input and will not validate if it doesn’t, preventing the user from submitting blank values. Choose Visual Basic as the installed template, select ASP. The default key setting assigns end edit without leaving the current cell action to the "Enter" key.So the Cell Validating event cannot be fired when pressing the "Enter" key. The following code example shows how to use this event to validate the cell's value.If you want the Cell Validating event to fire, assign the "Enter" key to the Selection Actions. To run this example, create a windows form, and add a Gc Multi Row control to the form.Add a Numeric Up Down Cell named "Age" to the Multi Row controls template.Of course, there was lots of more cool features involved but for the sake of this post I'll keep it simple.The code I chose to implement the above scenario involved the Validating & Validated events: However, all I wanted to do was exit the form in the first place and not spend the extra cycles querying the database or making things happen on the form before closing.

vb net leave validating-30

The event handler receives an argument of type Cell Validating Event Args containing data related to this event.

When this event is canceled in virtual mode, the Cell Value Pushed event is not raised.

The Cell Validating event only fires when losing input focus (before leaving the current cell) or when Gc Multi Row validates.

Why does Microsoft recommend this approach in the article on "User Validation in Windows Forms"? Auto Validate = auto Validate Setting End If End Sub I found another way to implement this solution First you declare a public property called b Form Closing as a Boolean = false then you include this Boolean in your validation code with an AND like AND b Form Closing = false then here you use Error Provider. Cancel = false AND will disable the validation and allow you to close the form of all the controls validating events.

( Unless I'm reading it wrong, it describes the problem exactly, but the solution doesn't work. Remember to set to false the Causes Validation = false of the exit button Also you can put it in the mouse down even or Closing Form Event, any event that triggers before the validating event. IT is so annoying working with MS buggy implementation.


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