Control.DataBindings-Eigenschaft

public ControlBindingsCollection DataBindings { get; }

/** @property */
public final ControlBindingsCollection get_DataBindings ()

public final function get DataBindings () : ControlBindingsCollection

protected void BindControls()
{
   /* Create two Binding objects for the first two TextBox 
   controls. The data-bound property for both controls 
   is the Text property. The data source is a DataSet 
   (ds). The data member is specified by a navigation 
   path in the form : TableName.ColumnName. */
   textBox1.DataBindings.Add(new Binding
   ("Text", ds, "customers.custName"));
   textBox2.DataBindings.Add(new Binding
   ("Text", ds, "customers.custID"));
      
   /* Bind the DateTimePicker control by adding a new Binding. 
   The data member of the DateTimePicker is specified by a 
   navigation path in the form: TableName.RelationName.ColumnName. */
   DateTimePicker1.DataBindings.Add(new 
   Binding("Value", ds, "customers.CustToOrders.OrderDate"));

   /* Create a new Binding using the DataSet and a 
   navigation path(TableName.RelationName.ColumnName).
   Add event delegates for the Parse and Format events to 
   the Binding object, and add the object to the third 
   TextBox control's BindingsCollection. The delegates 
   must be added before adding the Binding to the 
   collection; otherwise, no formatting occurs until 
   the Current object of the BindingManagerBase for 
   the data source changes. */
   Binding b = new Binding
   ("Text", ds, "customers.custToOrders.OrderAmount");
   b.Parse += new ConvertEventHandler(CurrencyStringToDecimal);
   b.Format += new ConvertEventHandler(DecimalToCurrencyString);
   textBox3.DataBindings.Add(b);

   /*Bind the fourth TextBox to the Value of the 
   DateTimePicker control. This demonstrates how one control
   can be bound to another.*/
   textBox4.DataBindings.Add("Text", DateTimePicker1,"Value");
   BindingManagerBase bmText = this.BindingContext[
   DateTimePicker1];

   /* Print the Type of the BindingManagerBase, which is 
   a PropertyManager because the data source
   returns only a single property value. */
   Console.WriteLine(bmText.GetType().ToString());
   // Print the count of managed objects, which is 1.
   Console.WriteLine(bmText.Count);

   // Get the BindingManagerBase for the Customers table. 
   bmCustomers = this.BindingContext [ds, "Customers"];
   /* Print the Type and count of the BindingManagerBase.
   Because the data source inherits from IBindingList,
   it is a RelatedCurrencyManager (derived from CurrencyManager). */
   Console.WriteLine(bmCustomers.GetType().ToString());
   Console.WriteLine(bmCustomers.Count);
   
   /* Get the BindingManagerBase for the Orders of the current
   customer using a navigation path: TableName.RelationName. */ 
   bmOrders = this.BindingContext[ds, "customers.CustToOrders"];
}

protected void BindControls()
{
    /*  Create two Binding objects for the first two TextBox 
        controls. The data-bound property for both controls 
        is the Text property. The data source is a DataSet 
        (ds). The data member is specified by a navigation 
        path in the form : TableName.ColumnName. 
     */
    textBox1.get_DataBindings().
        Add(new Binding("Text", ds, "customers.custName"));
    textBox2.get_DataBindings().
        Add(new Binding("Text", ds, "customers.custID"));

    /*   Bind the DateTimePicker control by adding a new Binding. 
         The data member of the DateTimePicker is specified by a 
         navigation path in the form: TableName.RelationName.ColumnName. 
     */
    dateTimePicker1.get_DataBindings().
        Add(new Binding("Value", ds, 
        "customers.CustToOrders.OrderDate"));

    /*  Create a new Binding using the DataSet and a 
        navigation path(TableName.RelationName.ColumnName).
        Add event delegates for the Parse and Format events to 
        the Binding object, and add the object to the third 
        TextBox control's BindingsCollection. The delegates 
        must be added before adding the Binding to the 
        collection; otherwise, no formatting occurs until 
        the Current object of the BindingManagerBase for 
        the data source changes. 
     */
    Binding b = new Binding("Text", ds, 
        "customers.custToOrders.OrderAmount");
    b.add_Parse(new ConvertEventHandler(CurrencyStringToDecimal));
    b.add_Format(new ConvertEventHandler(DecimalToCurrencyString));
    textBox3.get_DataBindings().Add(b);

    /*  Bind the fourth TextBox to the Value of the 
        DateTimePicker control. This demonstrates how one control
        can be bound to another.
     */
    textBox4.get_DataBindings().Add("Text", dateTimePicker1, "Value");
    BindingManagerBase bmText 
        = this.get_BindingContext().get_Item(dateTimePicker1);

    /*  Print the Type of the BindingManagerBase, which is 
        a PropertyManager because the data source
        returns only a single property value. 
     */
    Console.WriteLine(bmText.GetType().ToString());

    // Print the count of managed objects, which is 1.
    Console.WriteLine(bmText.get_Count());

    // Get the BindingManagerBase for the Customers table. 
    bmCustomers = this.get_BindingContext().get_Item(ds, "Customers");

    /*  Print the Type and count of the BindingManagerBase.
        Because the data source inherits from IBindingList,
        it is a RelatedCurrencyManager (derived from CurrencyManager). 
     */
    Console.WriteLine(bmCustomers.GetType().ToString());
    Console.WriteLine(bmCustomers.get_Count());

    /*  Get the BindingManagerBase for the Orders of the current
        customer using a navigation path: TableName.RelationName. 
     */
    bmOrders 
        = this.get_BindingContext().get_Item(ds, "customers.CustToOrders");
} //BindControls

protected function BindControls()
{
   /* Create two Binding objects for the first two TextBox 
   controls. The data-bound property for both controls 
   is the Text property. The data source is a DataSet 
   (ds). The data member is specified by a navigation 
   path in the form : TableName.ColumnName. */
   textBox1.DataBindings.Add(new Binding
   ("Text", ds, "customers.custName"));
   textBox2.DataBindings.Add(new Binding
   ("Text", ds, "customers.custID"));
      
   /* Bind the DateTimePicker control by adding a new Binding. 
   The data member of the DateTimePicker is specified by a 
   navigation path in the form: TableName.RelationName.ColumnName. */
   DateTimePicker1.DataBindings.Add(new 
   Binding("Value", ds, "customers.CustToOrders.OrderDate"));

   /* Create a new Binding import the DataSet and a 
   navigation path(TableName.RelationName.ColumnName).
   Add event delegates for the Parse and Format events to 
   the Binding object, and add the object to the third 
   TextBox control's BindingsCollection. The delegates 
   must be added before adding the Binding to the 
   collection; otherwise, no formatting occurs until 
   the Current object of the BindingManagerBase for 
   the data source changes. */
   var b : Binding = new Binding
   ("Text", ds, "customers.custToOrders.OrderAmount");
   b.add_Parse(CurrencyStringToDecimal);
   b.add_Format(DecimalToCurrencyString);
   textBox3.DataBindings.Add(b);

   /*Bind the fourth TextBox to the Value of the 
   DateTimePicker control. This demonstrates how one control
   can be bound to another.*/
   textBox4.DataBindings.Add("Text", DateTimePicker1,"Value");
   var bmText : BindingManagerBase = this.BindingContext[
   DateTimePicker1];

   /* Print the Type of the BindingManagerBase, which is 
   a PropertyManager because the data source
   returns only a single property value. */
   Console.WriteLine(bmText.GetType().ToString());
   // Print the count of managed objects, which is 1.
   Console.WriteLine(bmText.Count);

   // Get the BindingManagerBase for the Customers table. 
   bmCustomers = this.BindingContext [ds, "Customers"];
   /* Print the Type and count of the BindingManagerBase.
   Because the data source inherits from IBindingList,
   it is a RelatedCurrencyManager (derived from CurrencyManager). */
   Console.WriteLine(bmCustomers.GetType().ToString());
   Console.WriteLine(bmCustomers.Count);
   
   /* Get the BindingManagerBase for the Orders of the current
   customer import a navigation path: TableName.RelationName. */ 
   bmOrders = this.BindingContext[ds, "customers.CustToOrders"];
}