Oracle 存储大文本

Oracle 存储大文本  
string sql = string.Format( "update t_bas_publishtype set content=:content where id='{0}'" , id );
    OracleParameter p = new OracleParameter( ":content" , OracleType.Clob);
    p.Direction=ParameterDirection.Input;
    p.Value =content;
    OracleParameter [] param = new OracleParameter[1];
    param[0] = p;
    Global.pageBase.ExecuteCommand(sql,param);


content 类型为:clob