ConnectionStringSettingsCollection.IndexOf(ConnectionStringSettings) Method

Reference

Definition

Namespace:: System.Configuration

Assembly:: System.Configuration.ConfigurationManager.dll

Assembly:: System.Configuration.dll

Package:: System.Configuration.ConfigurationManager v8.0.1

Package:: System.Configuration.ConfigurationManager v9.0.0-rc.2.24473.5

Source:: ConnectionStringSettingsCollection.cs

Source:: ConnectionStringSettingsCollection.cs

Important

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Returns the collection index of the passed ConnectionStringSettings object.

public:
 int IndexOf(System::Configuration::ConnectionStringSettings ^ settings);

public int IndexOf (System.Configuration.ConnectionStringSettings settings);

member this.IndexOf : System.Configuration.ConnectionStringSettings -> int

Public Function IndexOf (settings As ConnectionStringSettings) As Integer

Parameters

settings: ConnectionStringSettings

A ConnectionStringSettings object in the collection.

Returns

Int32

The collection index of the specified ConnectionStringSettingsCollection object.

Examples

The following example shows how to get the index of the specified ConnectionStringSettings object.

static void GetIndex()
{

    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"];

        // Get its index;
        int index = csCollection.IndexOf(cs);

        Console.WriteLine(
             "Connection string settings index: {0}",
             index.ToString());
    }
    catch (ConfigurationErrorsException err)
    {
        Console.WriteLine(err.ToString());
    }
}

Shared Sub GetIndex() 
    
    Try
        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")
        
        ' Get its index;
        Dim index As Integer = _
        csCollection.IndexOf(cs)
        
        Console.WriteLine( _
        "Connection string settings index: {0}", _
        index.ToString())
    
    Catch err As ConfigurationErrorsException
        Console.WriteLine(err.ToString())
    End Try

End Sub

Applies to

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