Assembly : System.Data (dans system.data.dll)
SyntaxePublic Event RowDeleted As DataRowChangeEventHandler
Dim instance As DataTable Dim handler As DataRowChangeEventHandler AddHandler instance.RowDeleted, handler
public event DataRowChangeEventHandler RowDeleted
public: event DataRowChangeEventHandler^ RowDeleted { void add (DataRowChangeEventHandler^ value); void remove (DataRowChangeEventHandler^ value); }
/** @event */ public void add_RowDeleted (DataRowChangeEventHandler value) /** @event */ public void remove_RowDeleted (DataRowChangeEventHandler value)
JScript prend en charge l'utilisation d'événements mais pas la déclaration de nouveaux événements.
ExemplePrivate Sub DataTableRowDeleted() Dim customerTable As DataTable = New DataTable("Customers") ' add columns customerTable.Columns.Add("id", Type.GetType("System.Int32")) customerTable.Columns.Add("name", Type.GetType("System.String")) customerTable.Columns.Add("address", Type.GetType("System.String")) ' set PrimaryKey customerTable.Columns("id").Unique = True customerTable.PrimaryKey = New DataColumn() {customerTable.Columns("id")} ' add a RowDeleted event handler for the table. AddHandler customerTable.RowDeleted, New _ DataRowChangeEventHandler(AddressOf Row_Deleted) ' add ten rows Dim id As Integer For id = 1 To 10 customerTable.Rows.Add( _ New Object() {id, String.Format("customer{0}", id), _ String.Format("address{0}", id)}) Next customerTable.AcceptChanges() ' Delete all the rows Dim row As DataRow For Each row In customerTable.Rows row.Delete() Next End Sub Private Sub Row_Deleted(ByVal sender As Object, _ ByVal e As DataRowChangeEventArgs) Console.WriteLine("Row_Deleted Event: name={0}; action={1}", _ e.Row("name", DataRowVersion.Original), e.Action) End Sub
private static void DataTableRowDeleted() { DataTable customerTable = new DataTable("Customers"); // add columns customerTable.Columns.Add("id", typeof(int)); customerTable.Columns.Add("name", typeof(string)); customerTable.Columns.Add("address", typeof(string)); // set PrimaryKey customerTable.Columns[ "id" ].Unique = true; customerTable.PrimaryKey = new DataColumn[] { customerTable.Columns["id"] }; // add a RowDeleted event handler for the table. customerTable.RowDeleted += new DataRowChangeEventHandler(Row_Deleted); // add ten rows for(int id=1; id<=10; id++) { customerTable.Rows.Add( new object[] { id, string.Format("customer{0}", id), string.Format("address{0}", id) }); } customerTable.AcceptChanges(); // Delete all the rows foreach(DataRow row in customerTable.Rows) row.Delete(); } private static void Row_Deleted(object sender, DataRowChangeEventArgs e) { Console.WriteLine("Row_Deleted Event: name={0}; action={1}", e.Row["name", DataRowVersion.Original], e.Action); }
Plates-formesWindows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile pour Pocket PC, Windows Mobile pour Smartphone, Windows Server 2003, Windows XP Édition Media Center, Windows XP Professionnel Édition x64, Windows XP SP2, Windows XP Starter Edition
Le .NET Framework ne prend pas en charge toutes les versions de chaque plate-forme. Pour obtenir la liste des versions prises en charge, consultez Configuration requise.
Informations de version.NET Framework
Prise en charge dans : 2.0, 1.1, 1.0.NET Compact Framework
Prise en charge dans : 2.0, 1.0
Voir aussiRéférence
DataTable, classeMembres DataTable
System.Data, espace de noms
Outils (masquer)
S'enregistrer
Liste des Membres
Qui est en ligne?
FAQ