ErrorAddDataBoundRowEventArgs Class (2007 System)

Provides information for the ErrorAddDataBoundRow event.

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

Syntax

'Declaration
<PermissionSetAttribute(SecurityAction.Demand, Name := "FullTrust")> _
Public NotInheritable Class ErrorAddDataBoundRowEventArgs _
    Inherits EventArgs

'Usage
Dim instance As ErrorAddDataBoundRowEventArgs

[PermissionSetAttribute(SecurityAction.Demand, Name = "FullTrust")]
public sealed class ErrorAddDataBoundRowEventArgs : EventArgs

[PermissionSetAttribute(SecurityAction::Demand, Name = L"FullTrust")]
public ref class ErrorAddDataBoundRowEventArgs sealed : public EventArgs

public final class ErrorAddDataBoundRowEventArgs extends EventArgs

Remarks

The ErrorAddDataBoundRow event is raised by the ListObject control if an exception occurs during an attempt to add a new row to the data source bound to the ListObject. The Item property can be used to get the new item that the ListObject tried to add. The InnerException property provides the exception that was thrown, and the Retry property can be used to indicate whether another attempt to add this row should be made.

Examples

The following code example creates a DataTable and a ListObject, and binds the ListObject to the DataTable. It then creates an ErrorAddDataBoundRow event handler. To test the event, manually add a new row to the ListObject and enter the last name "Chan" and a first name. The event handler displays a message.

This example is for a document-level customization.

WithEvents ErrorAddDataBoundRowList As _
    Microsoft.Office.Tools.Excel.ListObject
Private Sub ListObject_ErrorAddDataBoundRow()
    ' Create a new DataSet and DataTable. 
    Dim ds As New DataSet()
    Dim dt As DataTable = ds.Tables.Add("Customers")
    Dim lastName As New DataColumn("LastName")
    dt.Columns.Add(lastName)
    dt.Columns.Add(New DataColumn("FirstName"))

    Dim myUC As New UniqueConstraint("CustConstraint", _
        lastName)
    dt.Constraints.Add(myUC)

    ' Add a new row to the DataTable. 
    Dim dr As DataRow = dt.NewRow()
    dr("LastName") = "Chan"
    dr("FirstName") = "Gareth"
    dt.Rows.Add(dr)

    ' Create a list object.
    ErrorAddDataBoundRowList = _
        Me.Controls.AddListObject(Me.Range("A1"), _
        "ErrorAddDataBoundRowList")

    ' Bind the list object to the DataTable.
    ErrorAddDataBoundRowList.AutoSetDataBoundColumnHeaders = True
    ErrorAddDataBoundRowList.SetDataBinding(ds, "Customers", _
        "LastName", "FirstName")
End Sub 


Private Sub List1_ErrorAddDataBoundRow(ByVal sender As Object, _
    ByVal e As Microsoft.Office.Tools.Excel.ErrorAddDataBoundRowEventArgs) _
    Handles ErrorAddDataBoundRowList.ErrorAddDataBoundRow
    MessageBox.Show("Last names must be unique.")

End Sub

private void ListObject_ErrorAddDataBoundRow()
{
    // Create a new DataSet and DataTable.
    DataSet ds = new DataSet();
    DataTable dt = ds.Tables.Add("Customers");
    DataColumn lastName = new DataColumn("LastName");
    dt.Columns.Add(lastName);
    dt.Columns.Add(new DataColumn("FirstName"));

    UniqueConstraint myUC = new UniqueConstraint( "CustConstraint", 
        lastName);
    dt.Constraints.Add(myUC);

    // Add a new row to the DataTable.
    DataRow dr = dt.NewRow();
    dr["LastName"] = "Chan";
    dr["FirstName"] = "Gareth";
    dt.Rows.Add(dr);

    // Create a list object.
    Microsoft.Office.Tools.Excel.ListObject list1 = 
        this.Controls.AddListObject(
        this.Range["A1", missing], "list1");

    // Bind the list object to the DataTable.
    list1.AutoSetDataBoundColumnHeaders = true;
    list1.SetDataBinding(ds, "Customers", "LastName",
        "FirstName");

    // Create the event handler.
    list1.ErrorAddDataBoundRow += new 
        Microsoft.Office.Tools.Excel.
        ErrorAddDataBoundRowEventHandler(list1_ErrorAddDataBoundRow);
}

void list1_ErrorAddDataBoundRow(object sender, 
    Microsoft.Office.Tools.Excel.ErrorAddDataBoundRowEventArgs e)
{
    MessageBox.Show("Last names must be unique.");
}

Inheritance Hierarchy

System.Object
  System.EventArgs
    Microsoft.Office.Tools.Excel.ErrorAddDataBoundRowEventArgs

Thread Safety

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

See Also

Reference

ErrorAddDataBoundRowEventArgs Members

Microsoft.Office.Tools.Excel Namespace