無効なセル入力を処理する

Imports Infragistics.Win.UltraWinGrid
...
Private Sub UltraGrid1_InitializeLayout(ByVal sender As Object, _
  ByVal e As Infragistics.Win.UltraWinGrid.InitializeLayoutEventArgs) _
  Handles ultraGrid1.InitializeLayout
    ' Set the property on the display layout's override so it affects the whole WinGrid.
    Me.ultraGrid1.DisplayLayout.Override.InvalidValueBehavior = _
      InvalidValueBehavior.RevertValue
    ' You can override the property on a specific column.
    Me.ultraGrid1.DisplayLayout.Bands(0).Columns(0).InvalidValueBehavior = _
      InvalidValueBehavior.RetainValueAndFocus
End Sub

using Infragistics.Win.UltraWinGrid;
...
private void ultraGrid1_InitializeLayout(object sender,
  Infragistics.Win.UltraWinGrid.InitializeLayoutEventArgs e)
{
	// Set the property on the display layout's override so it affects the whole WinGrid.
	this.ultraGrid1.DisplayLayout.Override.InvalidValueBehavior =
	  InvalidValueBehavior.RevertValue;
	// You can override the property on a specific column.
	this.ultraGrid1.DisplayLayout.Bands[0].Columns[0].InvalidValueBehavior =
	  InvalidValueBehavior.RetainValueAndFocus;
}

Imports Infragistics.Win.UltraWinGrid
...
Private Sub UltraGrid1_CellDataError(ByVal sender As Object, _
  ByVal e As Infragistics.Win.UltraWinGrid.CellDataErrorEventArgs) _
  Handles ultraGrid1.CellDataError
    ' Prevent the message box from displaying.
    e.RaiseErrorEvent = False
    ' Revert back to the original value.
    e.RestoreOriginalValue = True
    ' Stay in the same cell.
    e.StayInEditMode = True
End Sub

using Infragistics.Win.UltraWinGrid;
...
private void ultraGrid1_CellDataError(object sender,
  Infragistics.Win.UltraWinGrid.CellDataErrorEventArgs e)
{
	// Prevent the message box from displaying.
	e.RaiseErrorEvent = false;
	// Revert back to the original value.
	e.RestoreOriginalValue = true;
	// Stay in the same cell.
	e.StayInEditMode = true;
}