Validating datagridview dating 100 rech iran
The Data Grid View class provides a convenient way to perform validation before data is committed to the data store.
You can validate data by handling the Cell Validating event, which is raised by the Data Grid View when the current cell changes.
To String(), new Integer) _ Or Else new Integer Canceling this event cancels the changes to the current cell.
When you display data entry functionality to users, you frequently have to validate the data entered into your form.
For more information about how to handle events, see Handling and Raising Events.
Handle the Cell Validated event to perform post-validation processing.
How am i supposed to edit the code so that it does not generate this error?
The following code example handles the Cell Validating event to ensure that only positive integers are entered by the user. Error Text = "" Dim new Integer As Integer ' Don't try to validate the 'new row' until finished ' editing since there ' is not any point in validating its initial value.
The rest of the cell validations are perfectly working!
For a complete explanation of this code example, see Walkthrough: Validating Data in the Windows Forms Data Grid View Control.