System.Configuration.ConnectionStringSettingsCollection
namespace System.Configuration
{
public sealed class ConnectionStringSettingsCollection : ConfigurationElementCollection
{
public ConnectionStringSettings this[int index] { get; set; }
public new ConnectionStringSettings this[string name] { get; }
public ConnectionStringSettingsCollection();
public int IndexOf(ConnectionStringSettings settings);
public void Add(ConnectionStringSettings settings);
public void Remove(ConnectionStringSettings settings);
public void RemoveAt(int index);
public void Remove(string name);
public void Clear();
}
}