This collection contains all parameters and their mappings to DataSet columns used by a command and is accessed using the IDbCommand.Parameters property.

public interface IDataParameterCollection : IList, ICollection, IEnumerable {
// Public Instance Properties
   public object this{set; get; } 
// Public Instance Methods
   public bool Contains( string parameterName);  
   public int IndexOf( string parameterName);  
   public void RemoveAt( string parameterName);  
}

Implemented By

System.Data.OleDb.OleDbParameterCollection , System.Data.OracleClient.OracleParameterCollection , System.Data.SqlClient.SqlParameterCollection

Returned By

IDbCommand.Parameters