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ConnectionStringSettingsCollection.Remove Méthode

  • Référence

Définition

Espace de noms:
System.Configuration
Assembly:
System.Configuration.ConfigurationManager.dll
Assembly:
System.Configuration.dll
Paquet:
System.Configuration.ConfigurationManager v6.0.0
Paquet:
System.Configuration.ConfigurationManager v7.0.0
Paquet:
System.Configuration.ConfigurationManager v8.0.0
Paquet:
System.Configuration.ConfigurationManager v9.0.0-preview.2.24128.5

Supprime un objet ConnectionStringSettings de la collection.

Surcharges

Remove(ConnectionStringSettings)

Supprime l'objet ConnectionStringSettings spécifié de la collection.
Remove(String)

Supprime l'objet ConnectionStringSettings spécifié de la collection.

Remove(ConnectionStringSettings)

Source:
ConnectionStringSettingsCollection.cs
Source:
ConnectionStringSettingsCollection.cs
Source:
ConnectionStringSettingsCollection.cs

Supprime l'objet ConnectionStringSettings spécifié de la collection.

public:
 void Remove(System::Configuration::ConnectionStringSettings ^ settings);
public void Remove (System.Configuration.ConnectionStringSettings settings);
member this.Remove : System.Configuration.ConnectionStringSettings -> unit
Public Sub Remove (settings As ConnectionStringSettings)

Paramètres

settings
ConnectionStringSettings

Objet ConnectionStringSettings de la collection.

Exemples

L’exemple suivant montre comment supprimer l’objet spécifié ConnectionStringSettings de la collection.

static void RemoveConnectionStrings()
{

    try
    {
        System.Configuration.Configuration config =
         ConfigurationManager.OpenExeConfiguration(
         ConfigurationUserLevel.None);

        // Clear the connection strings collection.
        ConnectionStringsSection csSection =
            config.ConnectionStrings;
        ConnectionStringSettingsCollection csCollection =
         csSection.ConnectionStrings;

        // Get the connection string setting element
        // with the specified name.
        ConnectionStringSettings cs =
            csCollection["ConnStr0"];

        // Remove it.
        if (cs != null)
        {
            // Remove the element.
            csCollection.Remove(cs);

            // Save the configuration file.
            config.Save(ConfigurationSaveMode.Modified);
            
            Console.WriteLine(
             "Connection string settings removed.");
        }
        else
            Console.WriteLine(
                "Connection string settings does not exist.");
    }
    catch (ConfigurationErrorsException err)
    {
        Console.WriteLine(err.ToString());
    }
}

Shared Sub RemoveConnectionStrings() 
    
    Try
        ' 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
        Dim csCollection _
        As ConnectionStringSettingsCollection = _
        csSection.ConnectionStrings
        
        ' Get the connection string setting element
        ' with the specified name.
        Dim cs As ConnectionStringSettings = _
        csCollection("ConnStr0")
        
        ' Remove it.
        If Not (cs Is Nothing) Then
            ' Remove the element.
            csCollection.Remove(cs)
            
            ' Save the configuration file.
            config.Save(ConfigurationSaveMode.Modified)
            
            Console.WriteLine( _
            "Connection string settings removed.")
        Else
            Console.WriteLine( _
            "Connection string settings does not exist.")
        End If
    
    Catch err As ConfigurationErrorsException
        Console.WriteLine(err.ToString())
    End Try

End Sub

Voir aussi

S’applique à

Remove(String)

Source:
ConnectionStringSettingsCollection.cs
Source:
ConnectionStringSettingsCollection.cs
Source:
ConnectionStringSettingsCollection.cs

Supprime l'objet ConnectionStringSettings spécifié de la collection.

public:
 void Remove(System::String ^ name);
public void Remove (string name);
member this.Remove : string -> unit
Public Sub Remove (name As String)

Paramètres

name
String

Nom d’un objet ConnectionStringSettings de la collection.

Exemples

L’exemple suivant montre comment supprimer de la collection l’objet ConnectionStringSettings portant le nom spécifié.

static void RemoveConnectionStrings2()
{

    try
    {
        System.Configuration.Configuration config =
         ConfigurationManager.OpenExeConfiguration(
         ConfigurationUserLevel.None);

        // Clear the connection strings collection.
        ConnectionStringsSection csSection =
            config.ConnectionStrings;
        ConnectionStringSettingsCollection csCollection =
         csSection.ConnectionStrings;

        // Remove the element.
            csCollection.Remove("ConnStr0");

        // Save the configuration file.
        config.Save(ConfigurationSaveMode.Modified);

        Console.WriteLine(
             "Connection string settings removed.");
    }
    catch (ConfigurationErrorsException err)
    {
        Console.WriteLine(err.ToString());
    }
}

Shared Sub RemoveConnectionStrings2() 
    
    Try
        ' 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
        Dim csCollection _
        As ConnectionStringSettingsCollection = _
        csSection.ConnectionStrings
        
        ' Remove the element.
        csCollection.Remove("ConnStr0")
        
        
        ' Save the configuration file.
        config.Save(ConfigurationSaveMode.Modified)
        
        Console.WriteLine( _
        "Connection string settings removed.")

    Catch err As ConfigurationErrorsException
        Console.WriteLine(err.ToString())
    End Try

End Sub

Voir aussi

S’applique à