DataGridTableStyle.MappingNameChanged Event

Reference

Definition

Namespace:: System.Windows.Forms

Assembly:: System.Windows.Forms.dll

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Occurs when the MappingName value changes.

public:
 event EventHandler ^ MappingNameChanged;

public event EventHandler MappingNameChanged;

member this.MappingNameChanged : EventHandler

Public Custom Event MappingNameChanged As EventHandler

Event Type

EventHandler

Examples

The following code example demonstrates the use of this member.

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

Remarks

For more information about handling events, see Handling and Raising Events.

Applies to

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