* ----------------------------------------------------------------------- \\ sql_max
m_dbf="sys_menu" && \\ sql语句
m_name=''
m_max=0
m_fields='sort' && \\ 取最大值的字段
m_while='where class=?m_class and bj=?m_bj'
m_name='菜单表'
DO cx\sql_max
thisform.retu
* ------------------------------------------------------------------------------------------- \\ 取最大值类
m_sql='select MAX('+'&m_fields'+') as max from '+m_dbf+' '+m_while
m_retu=0
STRTOFILE(m_sql ,"c:\sql.TXT")
IF SQLEXEC(gnMyLogHandle,m_sql,'abcde') = -1
m_retu=1
AERROR( laError )
MESSAGEBOX( '读取数据库错误提示：' + ALLTRIM(STR(laError[ 1 ])) + CHR( 13 ) +laError[ 2 ])
ENDIF
* ------------------------------------------------------------------------------------------- \\ 检查是否出错
IF m_retu=1
messagebox(m_sql)
STRTOFILE(m_sql,"c:\Error.TXT")
MESSAGEBOX('请注意：系统在【取最大值】数据【'+m_name+'】时，发生错误，请检查网络是否畅通或与系统管理员联系！'+m_message,48,m_message1)
RETURN
ENDIF
SELECT abcde
m_max=max