Error Event

Visual Basic
C#

'Declaration
 
Public Event Error As ErrorEventHandler

'Usage
 
Dim instance As FpSpread
Dim handler As ErrorEventHandler
 
AddHandler instance.Error, handler

public event ErrorEventHandler Error

The event handler receives an argument of type ErrorEventArgs containing data related to this event. The following ErrorEventArgs properties provide information specific to this event.

Property	Description
Cancel	Gets or sets whether to cancel default processing and throw exceptions or EditError event.
Column	Gets the column index of the cell with the editor that raised the event.
EditError	Gets the type of edit error.
ErrorMessage	Gets the text description of the error.
Exception	Gets the exception thrown by the error.
IsEditError	Determines whether the error is an editing error.
Row	Gets the row index of the cell with the editor that raised the event.
View	Gets the view that contains the cell with the editor that raised the event.

This event is raised by the OnError method when the user leaves a cell.

For more details on the individual event arguments, refer to ErrorEventArgs members.

This example raises the PaintTabStripButton event.

C#

void FpSpread1_Error(object sender, ErrorEventArgs e)
{
      if ((e.EditError == FarPoint.Win.Spread.EditError.InvalidCellData))
      {
            if ((e.IsEditError == true))
            {
                  e.Cancel = true;
                  MessageBox.Show(e.ErrorMessage);
                  e.View.Sheets[0].Cells[e.Row, e.Column].BackColor = Color.Red;
            }
      }
}

Visual Basic

Private Sub fpSpread1_Error(ByVal sender As Object, ByVal e As FarPoint.Win.Spread.ErrorEventArgs) Handles fpSpread1.Error
      If e.EditError = Win.Spread.EditError.InvalidCellData Then
            If e.IsEditError = True Then
                  e.Cancel = True
                  MessageBox.Show(e.ErrorMessage)
                  e.View.Sheets(0).Cells(e.Row, e.Column).BackColor = Color.Red
            End If
      End If
End Sub

Target Platforms: Windows 2000 Professional (SP4), Windows 2000 Server, Windows 2003 Server (SP1), Windows 2008, Windows XP (SP2), Windows Vista, Windows 7, Windows 8

Reference

FpSpread Class
FpSpread Members
ErrorEventArgs Class