DataGridTableStyle.HeaderBackColor Proprietà
Definizione
Importante
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Ottiene o imposta il colore di sfondo delle intestazioni.
public:
property System::Drawing::Color HeaderBackColor { System::Drawing::Color get(); void set(System::Drawing::Color value); };
public System.Drawing.Color HeaderBackColor { get; set; }
member this.HeaderBackColor : System.Drawing.Color with get, set
Public Property HeaderBackColor As Color
Valore della proprietà
Oggetto Color che rappresenta il colore di sfondo delle intestazioni.
Esempio
Nell'esempio di codice seguente viene illustrato l'uso di questo membro.
private:
void Create_Table()
{
// Create DataSet.
myDataSet = gcnew DataSet( "myDataSet" );
// Create DataTable.
DataTable^ myCustomerTable = gcnew DataTable( "Customers" );
// Create two columns, and add them to the table.
DataColumn^ CustID = gcnew DataColumn( "CustID",int::typeid );
DataColumn^ CustName = gcnew DataColumn( "CustName" );
myCustomerTable->Columns->Add( CustID );
myCustomerTable->Columns->Add( CustName );
// Add table to DataSet.
myDataSet->Tables->Add( myCustomerTable );
dataGrid1->SetDataBinding( myDataSet, "Customers" );
myTableStyle = gcnew DataGridTableStyle;
myTableStyle->MappingName = "Customers";
myTableStyle->HeaderBackColorChanged += gcnew System::EventHandler( this, &Form1::HeaderBackColorChangedHandler );
myTableStyle->HeaderForeColorChanged += gcnew System::EventHandler( this, &Form1::HeaderForeColorChangedHandler );
}
// Change header background color.
void OnHeaderBackColor_Click( Object^ /*sender*/, System::EventArgs^ /*e*/ )
{
dataGrid1->TableStyles->Clear();
String^ str = dynamic_cast<String^>(comboBox1->SelectedItem);
if ( str->Equals( "Red" ) )
myTableStyle->ForeColor = Color::Red;
else
if ( str->Equals( "Yellow" ) )
myTableStyle->ForeColor = Color::Yellow;
else
if ( str->Equals( "Blue" ) )
myTableStyle->ForeColor = Color::Blue;
myTableStyle->AlternatingBackColor = Color::LightGray;
dataGrid1->TableStyles->Add( myTableStyle );
}
private void Create_Table()
{
// Create DataSet.
myDataSet = new DataSet("myDataSet");
// Create DataTable.
DataTable myCustomerTable = new DataTable("Customers");
// Create two columns, and add them to the table.
DataColumn CustID = new DataColumn("CustID", typeof(int));
DataColumn CustName = new DataColumn("CustName");
myCustomerTable.Columns.Add(CustID);
myCustomerTable.Columns.Add(CustName);
// Add table to DataSet.
myDataSet.Tables.Add(myCustomerTable);
dataGrid1.SetDataBinding(myDataSet,"Customers");
myTableStyle = new DataGridTableStyle();
myTableStyle.MappingName = "Customers";
myTableStyle.HeaderBackColorChanged +=
new System.EventHandler(HeaderBackColorChangedHandler);
myTableStyle.HeaderForeColorChanged +=
new System.EventHandler(HeaderForeColorChangedHandler);
}
// Change header background color.
private void OnHeaderBackColor_Click(object sender, System.EventArgs e)
{
dataGrid1.TableStyles.Clear ();
switch(comboBox1.SelectedItem.ToString())
{
case "Red":
myTableStyle.HeaderBackColor = Color.Red;
break;
case "Yellow":
myTableStyle.HeaderBackColor = Color.Yellow ;
break;
case "Blue":
myTableStyle.HeaderBackColor = Color.Blue ;
break;
}
myTableStyle.AlternatingBackColor = Color.LightGray;
dataGrid1.TableStyles.Add(myTableStyle);
}
Private Sub Create_Table()
' Create DataSet.
myDataSet = New DataSet("myDataSet")
' Create DataTable.
Dim myCustomerTable As New DataTable("Customers")
' Create two columns, and add them to the table.
Dim CustID As New DataColumn("CustID", GetType(Integer))
Dim CustName As New DataColumn("CustName")
myCustomerTable.Columns.Add(CustID)
myCustomerTable.Columns.Add(CustName)
' Add table to DataSet.
myDataSet.Tables.Add(myCustomerTable)
dataGrid1.SetDataBinding(myDataSet, "Customers")
myTableStyle = New DataGridTableStyle()
myTableStyle.MappingName = "Customers"
AddHandler myTableStyle.HeaderBackColorChanged, AddressOf HeaderBackColorChangedHandler
AddHandler myTableStyle.HeaderForeColorChanged, AddressOf HeaderForeColorChangedHandler
End Sub
' Change header background color.
Private Sub OnHeaderBackColor_Click(sender As Object, e As System.EventArgs) Handles button1.Click
dataGrid1.TableStyles.Clear()
Select Case comboBox1.SelectedItem.ToString()
Case "Red"
myTableStyle.HeaderBackColor = Color.Red
Case "Yellow"
myTableStyle.HeaderBackColor = Color.Yellow
Case "Blue"
myTableStyle.HeaderBackColor = Color.Blue
End Select
myTableStyle.AlternatingBackColor = Color.LightGray
dataGrid1.TableStyles.Add(myTableStyle)
End Sub
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