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using (DbConnection connection = factory.CreateConnection())

{

connection.ConnectionString = connectionString;

using (DbCommand selectCommand = factory.CreateCommand())

{

selectCommand.CommandType = CommandType.StoredProcedure;

selectCommand.CommandText = “SalesByCategory”;

selectCommand.Connection = connection;

DbParameter categoryParameter = selectCommand.CreateParameter();

categoryParameter.ParameterName = “@CategoryName”;

categoryParameter.Value = “Beverages”;

DbParameter yearParameter = selectCommand.CreateParameter();

yearParameter.ParameterName = “@OrdYear”;

yearParameter.Value = “1998”;

selectCommand.Parameters.AddRange(new[] {categoryParameter, yearParameter});

connection.Open();

using (IDataReader dr = selectCommand.ExecuteReader())

{

while (dr.Read())

Console.WriteLine(string.Format(“{0}: {1:c}”, dr[“ProductName”], dr[“TotalPurchase”]));

}

}

}

Database db = DatabaseFactory.CreateDatabase();

using (IDataReader dr = db.ExecuteReader(“SalesByCategory”, “Beverages”, “1998”))

{

while (dr.Read())

Console.WriteLine(string.Format(“{0}: {1:c}”, dr[“ProductName”], dr[“TotalPurchase”]));

}

source code : http://www.pnpguidance.net/post/EnterpriseLibraryDAABADONETStoredProceduresMadeEasy.aspx