ConnectionStringSettingsCollection.Clear Metode

Definisi

Ruang nama:

System.Configuration

Rakitan:

System.Configuration.ConfigurationManager.dll

Paket:

System.Configuration.ConfigurationManager v8.0.0

Sumber:

ConnectionStringSettingsCollection.cs

Menghapus semua ConnectionStringSettings objek dari koleksi.

public:
 void Clear();

public void Clear ();

member this.Clear : unit -> unit

Public Sub Clear ()

Contoh

Contoh berikut menunjukkan cara menghapus semua ConnectionStringSettings objek dari ConnectionStringSettingsCollection koleksi.

// Clear connection strings collection.
static void ClearConnectionStrings()
{

    // Get the configuration file.
    System.Configuration.Configuration config =
        ConfigurationManager.OpenExeConfiguration(
        ConfigurationUserLevel.None);

    // Clear the connection strings collection.
    ConnectionStringsSection csSection =
        config.ConnectionStrings;
    csSection.ConnectionStrings.Clear();
   
    // Save the configuration file.
    config.Save(ConfigurationSaveMode.Modified);

    Console.WriteLine("Connection strings cleared.");
}

' Clear connection strings collection.
Shared Sub ClearConnectionStrings() 
    
    ' Get the application configuration file.
    Dim config _
    As System.Configuration.Configuration = _
    ConfigurationManager.OpenExeConfiguration( _
    ConfigurationUserLevel.None)

    ' Clear the connection strings collection.
    Dim csSection _
    As ConnectionStringsSection = _
    config.ConnectionStrings
    csSection.ConnectionStrings.Clear()
    
    ' Save the configuration file.
    config.Save(ConfigurationSaveMode.Modified)
    
    Console.WriteLine("Connection strings cleared.")

End Sub

Keterangan

Metode ini Clear menghapus semua string koneksi dari file konfigurasi pada tingkat hierarki konfigurasi saat ini dan menulis <clear> tag dalam file. Tag <clear> menandakan bahwa semua string koneksi yang ditentukan dalam file konfigurasi induk diamati oleh sistem.

Lihat juga

• ConnectionStringsSection