Contains a collection of IColumnMapping instances. This interface is implemented by the System.Data.Common.DataColumnMappingCollection class. public interface IColumnMappingCollection : IList, ICollection, IEnumerable { // Public Instance Properties public object this[string index ] {set; get; } // Public Instance Methods public IColumnMapping Add (string sourceColumnName , string dataSetColumnName ); public bool Contains ( string sourceColumnName ); public IColumnMapping GetByDataSetColumn (string dataSetColumnName ); public int IndexOf ( string sourceColumnName ); public void RemoveAt ( string sourceColumnName ); } Implemented BySystem.Data.Common.DataColumnMappingCollection Returned ByITableMapping.ColumnMappings |