C# 获取 oracle 存储过程的 返回值

存储过程
CREATE OR REPLACE PROCEDURE ADMIN.INSERT_OBJ (
OBJEFIRT_parms      IN     NVARCHAR2,
OBJEDATT_parms      IN     NVARCHAR2,
OBJESECT_parms      IN     NVARCHAR2,
OBJECONTENT_parms   IN     NVARCHAR2,
ISRELEASE_parms     IN     INTEGER,
OBJECODE_parms      IN     NVARCHAR2,
TAGS_parms          IN     NVARCHAR2,
OBJ_ID_parms           OUT INTEGER
)
IS
BEGIN
INSERT INTO ADMIN.CB_OBJECT (OBJEID,
OBJEFIRT,
OBJEDATT,
OBJESECT,
OBJECONTENT,
ISRELEASE,
OBJECODE,
TAGS)
VALUES   (ADMIN.CYANBIRD.NEXTVAL,
OBJEFIRT_parms,
TO_DATE (OBJEDATT_parms, 'YYYY-MM-DD hh24:mi:ss'),
OBJESECT_parms,
OBJECONTENT_parms,
ISRELEASE_parms,
OBJECODE_parms,
TAGS_parms)
RETURN   OBJEID     INTO   OBJ_ID_parms;

RETURN;
EXCEPTION
WHEN NO_DATA_FOUND
THEN
NULL;
WHEN OTHERS
THEN
-- Consider logging the error and then re-raise
RAISE;
END INSERT_OBJ;

C#中获取值

DbParameter[] paras = new OracleParameter[8];
paras[0] = new OracleParameter("OBJEFIRT_parms", OracleType.NVarChar);
paras[0].Value = cbinf.ObjeFirT;
paras[1] = new OracleParameter("OBJEDATT_parms", OracleType.NVarChar);
paras[1].Value=cbinf.ObjeDatT.ToString();
paras[2]= new OracleParameter("OBJESECT_parms",OracleType.NVarChar);
paras[2].Value = cbinf.ObjeSecT;
paras[3] = new OracleParameter("OBJECONTENT_parms", OracleType.NVarChar);
paras[3].Value = cbinf.ObjeContent;
paras[4] = new OracleParameter("ISRELEASE_parms", OracleType.Int32);
paras[4].Value = cbinf.IsRelease;
paras[5] = new OracleParameter("OBJECODE_parms", OracleType.NVarChar);
paras[5].Value = cbinf.ObjeCode;
paras[6] = new OracleParameter("TAGS_parms", OracleType.NVarChar);
paras[6].Value = cbinf.Tags;
paras[7] = new OracleParameter("OBJ_ID_parms", OracleType.Int32);
paras[7].Direction = ParameterDirection.Output;
SQLHelper.ExecuteScaler(InsertInfo_Obj, CommandType.StoredProcedure, paras);
int i=Convert.ToInt32(paras[7].Value);
return i;