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