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expression1

expression1

Integrate-Microsoft... ... * Small Business Accounting* 小企业会计 * Expression 1* 表达式1 * Expression 2* 表达式2 ...

如果只包含了一个表达式 (Expression1)则等号就是可选的注意等号 (=) 还有其他两个与以上所述无关的用法它可用在逻辑表达 …

---函数将返回第一个字符串（expression1）在第二个字符串（expression2）中第一次出现时---所在位置的索引,第三个可选参 …

For a bitwise comparison , the result data type is a numeric type appropriate for the data types of expression1 and expression2.

The value of expression1 must be less than or equal to the value of expression2.

The OrElse Operator performs short-circuiting, which means that if expression1 is True , then expression2 is not evaluated .

The result is the full quotient of expression1 divided by expression2, including any remainder .

Depending on the effective Boolean value of expression1, either expression2 or expression3 is evaluated .