'Declaration <DescriptionAttribute("Raised by the DataRowList.AddNew or EndEdit methods when the values of one of the cells in the DataRow does not pass the validation process.")> <CategoryAttribute("Data")> Public Event ValidationError As RowValidationErrorEventHandler
'Usage Dim instance As CellRow Dim handler As RowValidationErrorEventHandler AddHandler instance.ValidationError, handler
[Description("Raised by the DataRowList.AddNew or EndEdit methods when the values of one of the cells in the DataRow does not pass the validation process.")] [Category("Data")] public event RowValidationErrorEventHandler ValidationError
The event handler receives an argument of type RowValidationErrorEventArgs containing data related to this event. The following RowValidationErrorEventArgs properties provide information specific to this event.
| Property | Description |
|---|---|
| CancelEdit | Gets or sets a boolean value indicating if the row whould exit edit mode. |
| Exception | Gets the exception that was thrown. |
Setting e.CancelEdit to false in the ValidationError event will prevent the row from leaving edit mode in the case where the values of one of its cells fails the validation process.
Custom validation can be provided in the EndingEdit event. In this event, if the validation process fails, setting e.Cancel to true will cause the ValidationError event to be raised.
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2