DataRepeaterAddRemoveItemsCancelEventArgs Constructor

Initializes a new instance of the DataRepeaterAddRemoveItemsCancelEventArgs class.

Namespace:  Microsoft.VisualBasic.PowerPacks
Assembly:  Microsoft.VisualBasic.PowerPacks.Vs (in Microsoft.VisualBasic.PowerPacks.Vs.dll)

Syntax

'宣言
Public Sub New ( _
    index As Integer, _
    count As Integer _
)

public DataRepeaterAddRemoveItemsCancelEventArgs(
    int index,
    int count
)

public:
DataRepeaterAddRemoveItemsCancelEventArgs(
    int index, 
    int count
)

new : 
        index:int * 
        count:int -> DataRepeaterAddRemoveItemsCancelEventArgs

public function DataRepeaterAddRemoveItemsCancelEventArgs(
    index : int, 
    count : int
)

Parameters

• index
  Type: System.Int32
  The index of the DataRepeaterItem that is being deleted.

• count
  Type: System.Int32
  The number of items being deleted.

Remarks

The DeletingItems and UserDeletingItems events occur when a request is made to delete a DataRepeaterItem from a DataRepeater control.

You can override the deletion by setting the cancel parameter of the DataRepeaterAddRemoveItemsCancelEventArgs to True.

Examples

The following example demonstrates how to cancel a deletion in the DeletingItems event handler.

Private Sub DataRepeater1_DeletingItems(
    ByVal sender As Object, 
    ByVal e As Microsoft.VisualBasic.PowerPacks.DataRepeaterAddRemoveItemsCancelEventArgs
  ) Handles DataRepeater1.DeletingItems

    ' Check whether the user is a supervisor.
    If My.User.IsInRole("Supervisor") = False Then
        ' Cancel the deletion and display a message.
        e.Cancel = True
        MsgBox("You are not authorized to delete.")
    End If
End Sub

private void DataRepeater1_DeletingItems(object sender, 
    Microsoft.VisualBasic.PowerPacks.DataRepeaterAddRemoveItemsCancelEventArgs e)
{
    // Check whether the user is a supervisor.

    ClientRolePrincipal rolePrincipal =
        System.Threading.Thread.CurrentPrincipal
        as ClientRolePrincipal;

    if (rolePrincipal.IsInRole("supervisor") == false)
    {
        e.Cancel = true;
        MessageBox.Show("You are not authorized to delete.");
    }
}   

.NET Framework Security

• Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.

See Also

Reference

DataRepeaterAddRemoveItemsCancelEventArgs Class

Microsoft.VisualBasic.PowerPacks Namespace

DeletingItems

UserDeletingItems

Other Resources

Introduction to the DataRepeater Control (Visual Studio)

How to: Disable Adding and Deleting DataRepeater Items (Visual Studio)