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ListObject.DataBindingFailure Event (2007 System)

Occurs when a condition causes the data binding of a ListObject control to fail.

Namespace:  Microsoft.Office.Tools.Excel
Assembly:  Microsoft.Office.Tools.Excel.v9.0 (in Microsoft.Office.Tools.Excel.v9.0.dll)

Syntax

'Declaration
Public Event DataBindingFailure As EventHandler
'Usage
Dim instance As ListObject 
Dim handler As EventHandler 

AddHandler instance.DataBindingFailure, handler
public event EventHandler DataBindingFailure
public:
 event EventHandler^ DataBindingFailure {
    void add (EventHandler^ value);
    void remove (EventHandler^ value);
}
JScript does not support events.

Remarks

An example of a condition that causes failure is if a user drops a ListObject control onto another ListObject control that is already in the drop ___location. The new control's data binding fails and the control raises this event.

Examples

The following code example creates a ListObject and adds an event handler for the DataBindingFailure event. If list1 is bound to a data source and then the binding fails, the event is caught and a message appears showing the state of the binding.

This version is for a document-level customization.

WithEvents List4 As Microsoft.Office.Tools.Excel.ListObject

Private Sub ListObject_DataBindingFailure()
    List4 = Me.Controls.AddListObject( _
        Me.Range("A1", "C4"), "List4")
End Sub 


Private Sub List4_DataBindingFailure(ByVal sender As Object, _
    ByVal e As EventArgs) Handles List4.DataBindingFailure
    MessageBox.Show("Data binding is " & _
    List4.IsBinding)
End Sub
Microsoft.Office.Tools.Excel.ListObject list4;
private void ListObject_DataBindingFailure()
{
    list4 = this.Controls.AddListObject(
        this.Range["A1", "C4"], "list4");
    list4.DataBindingFailure += new EventHandler(list4_DataBindingFailure);
}

void list4_DataBindingFailure(object sender, EventArgs e)
{
    MessageBox.Show("Data binding is " + list4.IsBinding);
}

This version is for an application-level add-in.

WithEvents List4 As ListObject

Private Sub ListObject_DataBindingFailure()
    Dim vstoWorksheet As Worksheet = CType( _
        Me.Application.ActiveWorkbook.Worksheets(1),  _
        Excel.Worksheet).GetVstoObject()
    List4 = vstoWorksheet.Controls.AddListObject( _
        vstoWorksheet.Range("A1", "C4"), "List4")
End Sub 


Private Sub List4_DataBindingFailure(ByVal sender As Object, _
    ByVal e As EventArgs) Handles List4.DataBindingFailure
    System.Windows.Forms.MessageBox.Show("Data binding is " & _
    List4.IsBinding)
End Sub
ListObject list4;
private void ListObject_DataBindingFailure()
{
    Worksheet vstoWorksheet = ((Excel.Worksheet)
        this.Application.ActiveWorkbook.Worksheets[1]).GetVstoObject();
    list4 = vstoWorksheet.Controls.AddListObject(
        vstoWorksheet.Range["A1", "C4"], "list4");
    list4.DataBindingFailure += new EventHandler(list4_DataBindingFailure);
}

void list4_DataBindingFailure(object sender, EventArgs e)
{
    System.Windows.Forms.MessageBox.Show("Data binding is " + list4.IsBinding);
}

.NET Framework Security

See Also

Reference

ListObject Class

ListObject Members

Microsoft.Office.Tools.Excel Namespace

Change History

Date

History

Reason

July 2008

Added a version of the code example for an application-level add-in.

SP1 feature change.