asp操作sql存储过程，枚举值常量(常用)

<%CONST adParamUnknown = 0'指示该参数的方向未知。CONST adParamInput = 1'默认值。指示该参数是输入参数CONST adParamOutput = 2'指示该参数是输出参数。CONST adParamInputOutput = 3'指示该参数既是输入参数，又是输出参数。CONST adParamReturnValue = 4'指示该参数是返回值。CONST adSmallInt = 2 '一个双字节的有符号整数CONST adInteger = 3 '一个四字节的有符号整数CONST adTinyInt = 16 '一个单字节的有符号整数CONST adBigInt = 20 '一个八字节的有符号整数CONST adVarChar = 200 '一个字符串值%>