Parameters are object references that are passed-in to the report filling operations.Report variables are special objects build on top of a report expression. They can be used to simplify the report design by declaring only once an expression that is heavily used throughout the report design or to perform various calculations on the corresponding expression.
解决方案 »
免费领取超大流量手机卡，每月29元包185G流量+100分钟通话, 中国电信官方发货