DataGridTableStyle.MappingNameChanged Événement

Référence

Définition

Espace de noms:: System.Windows.Forms

Assembly:: System.Windows.Forms.dll

Important

Certaines informations portent sur la préversion du produit qui est susceptible d’être en grande partie modifiée avant sa publication. Microsoft exclut toute garantie, expresse ou implicite, concernant les informations fournies ici.

Se produit quand la valeur MappingName est modifiée.

public:
 event EventHandler ^ MappingNameChanged;

public event EventHandler MappingNameChanged;

member this.MappingNameChanged : EventHandler

Public Custom Event MappingNameChanged As EventHandler

Type d'événement

EventHandler

Exemples

L’exemple de code suivant illustre l’utilisation de ce membre.

private:
   void AddCustomDataTableStyle()
   {
      myDataGridTableStyle1 = gcnew DataGridTableStyle;
      myDataGridTableStyle1->MappingNameChanged += gcnew System::EventHandler( this, &DataGridTableStyle_Sample::MappingNameChanged_Handler );
      myDataGridTableStyle1->GridLineStyleChanged += gcnew System::EventHandler( this, &DataGridTableStyle_Sample::GridLineStyleChanged_Handler );
      myDataGridTableStyle1->MappingName = "Customers";

      // Set other properties.
      myDataGridTableStyle1->AlternatingBackColor = Color::LightGray;
      myDataGridTableStyle1->GridLineStyle = System::Windows::Forms::DataGridLineStyle::None;

      // Add a GridColumnStyle and set its MappingName.
      DataGridColumnStyle^ myBoolCol = gcnew DataGridBoolColumn;
      myBoolCol->MappingName = "Current";
      myBoolCol->HeaderText = "IsCurrent Customer";
      myBoolCol->Width = 150;
      myDataGridTableStyle1->GridColumnStyles->Add( myBoolCol );

      // Add a second column style.
      DataGridColumnStyle^ myTextCol = gcnew DataGridTextBoxColumn;
      myTextCol->MappingName = "custName";
      myTextCol->HeaderText = "Customer Name";
      myTextCol->Width = 250;
      myDataGridTableStyle1->GridColumnStyles->Add( myTextCol );

      // Create new ColumnStyle objects.
      DataGridColumnStyle^ cOrderDate = gcnew DataGridTextBoxColumn;
      cOrderDate->MappingName = "OrderDate";
      cOrderDate->HeaderText = "Order Date";
      cOrderDate->Width = 100;

      // Use PropertyDescriptor to create a formatted column.
      PropertyDescriptorCollection^ myPropertyDescriptorCollection = this->BindingContext[myDataSet, "Customers::custToOrders"]->GetItemProperties();
      DataGridColumnStyle^ csOrderAmount = gcnew DataGridTextBoxColumn( myPropertyDescriptorCollection[ "OrderAmount" ],"c",true );
      csOrderAmount->MappingName = "OrderAmount";
      csOrderAmount->HeaderText = "Total";
      csOrderAmount->Width = 100;

      // Add the DataGridTableStyle Object* to GridTableStylesCollection.
      myDataGrid->TableStyles->Add( myDataGridTableStyle1 );
   }

   void MappingNameChanged_Handler( Object^ /*sender*/, EventArgs^ /*e*/ )
   {
      MessageBox::Show( "MappingName Changed", "DataGridTableStyle" );
   }

   void GridLineStyleChanged_Handler( Object^ /*sender*/, EventArgs^ /*e*/ )
   {
      MessageBox::Show( "GridLineStyle  Changed", "DataGridTableStyle" );
   }

private void AddCustomDataTableStyle()
{
   myDataGridTableStyle1 = new DataGridTableStyle();
   myDataGridTableStyle1.MappingNameChanged+=
      new System.EventHandler(MappingNameChanged_Handler);
   myDataGridTableStyle1.GridLineStyleChanged += 
      new System.EventHandler(GridLineStyleChanged_Handler);
   myDataGridTableStyle1.MappingName = "Customers";

   // Set other properties.
   myDataGridTableStyle1.AlternatingBackColor = Color.LightGray;
   myDataGridTableStyle1.GridLineStyle=
      System.Windows.Forms.DataGridLineStyle.None;

   // Add a GridColumnStyle and set its MappingName.          
   DataGridColumnStyle myBoolCol = new DataGridBoolColumn();
   myBoolCol.MappingName = "Current";
   myBoolCol.HeaderText = "IsCurrent Customer";
   myBoolCol.Width = 150;
   myDataGridTableStyle1.GridColumnStyles.Add(myBoolCol);

   // Add a second column style.
   DataGridColumnStyle myTextCol = new DataGridTextBoxColumn();
   myTextCol.MappingName = "custName";
   myTextCol.HeaderText = "Customer Name";
   myTextCol.Width = 250;
   myDataGridTableStyle1.GridColumnStyles.Add(myTextCol);

   // Create new ColumnStyle objects.
   DataGridColumnStyle cOrderDate = new DataGridTextBoxColumn();
   cOrderDate.MappingName = "OrderDate";
   cOrderDate.HeaderText = "Order Date";
   cOrderDate.Width = 100;

   // Use PropertyDescriptor to create a formatted column.         
   PropertyDescriptorCollection myPropertyDescriptorCollection = this.BindingContext
      [myDataSet, "Customers.custToOrders"].GetItemProperties();         
   DataGridColumnStyle csOrderAmount = 
      new DataGridTextBoxColumn(myPropertyDescriptorCollection["OrderAmount"], "c", true);
   csOrderAmount.MappingName = "OrderAmount";
   csOrderAmount.HeaderText = "Total";
   csOrderAmount.Width = 100;
        
   // Add the DataGridTableStyle object to GridTableStylesCollection.
   myDataGrid.TableStyles.Add(myDataGridTableStyle1);      
}
private void MappingNameChanged_Handler(object sender,EventArgs e)
{         
   MessageBox.Show("MappingName Changed", "DataGridTableStyle");
}
private void GridLineStyleChanged_Handler(object sender,EventArgs e)
{
   MessageBox.Show("GridLineStyle  Changed", "DataGridTableStyle");
}

Private Sub AddCustomDataTableStyle()
   myDataGridTableStyle1 = New DataGridTableStyle()
   AddHandler myDataGridTableStyle1.MappingNameChanged, AddressOf MappingNameChanged_Handler
   AddHandler myDataGridTableStyle1.GridLineStyleChanged, AddressOf GridLineStyleChanged_Handler
   myDataGridTableStyle1.MappingName = "Customers"

   ' Set other properties.
   myDataGridTableStyle1.AlternatingBackColor = Color.LightGray
   myDataGridTableStyle1.GridLineStyle = System.Windows.Forms.DataGridLineStyle.None

   ' Add a GridColumnStyle and set its MappingName.
   Dim myBoolCol = New DataGridBoolColumn()
   myBoolCol.MappingName = "Current"
   myBoolCol.HeaderText = "IsCurrent Customer"
   myBoolCol.Width = 150
   myDataGridTableStyle1.GridColumnStyles.Add(myBoolCol)

   ' Add a second column style.
   Dim myTextCol = New DataGridTextBoxColumn()
   myTextCol.MappingName = "custName"
   myTextCol.HeaderText = "Customer Name"
   myTextCol.Width = 250
   myDataGridTableStyle1.GridColumnStyles.Add(myTextCol)

   ' Create new ColumnStyle objects.
   Dim cOrderDate = New DataGridTextBoxColumn()
   cOrderDate.MappingName = "OrderDate"
   cOrderDate.HeaderText = "Order Date"
   cOrderDate.Width = 100

   ' Use PropertyDescriptor to create a formatted column.
   Dim myPropertyDescriptorCollection As PropertyDescriptorCollection = _
               Me.BindingContext(myDataSet, "Customers.custToOrders").GetItemProperties()
   Dim csOrderAmount = New DataGridTextBoxColumn _
            (myPropertyDescriptorCollection("OrderAmount"), "c", True)
   csOrderAmount.MappingName = "OrderAmount"
   csOrderAmount.HeaderText = "Total"
   csOrderAmount.Width = 100

   ' Add the DataGridTableStyle object to GridTableStylesCollection.
   myDataGrid.TableStyles.Add(myDataGridTableStyle1)
End Sub

Private Sub MappingNameChanged_Handler(ByVal sender As Object, ByVal e As EventArgs)
   MessageBox.Show("MappingName Changed", "DataGridTableStyle")
End Sub

Private Sub GridLineStyleChanged_Handler(ByVal sender As Object, ByVal e As EventArgs)
   MessageBox.Show("GridLineStyle  Changed", "DataGridTableStyle")
End Sub

Remarques

Pour plus d'informations sur la gestion des événements, voir gestion et déclenchement d’événements.

S’applique à

Voir aussi

MappingName

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