[英]Expression for Row Visibility when FALSE is “” or NOTHING? (SSRS)
I have the following expression in a cell: 我在单元格中具有以下表达式:
=IIF(last(Fields!OpenedEmail.Value) >= (DateAdd(DateInterval.Day, -30, Parameters!end_date.Value)), last(Fields!OpenedEmail.Value), "")
I'm having problems figuring out what expression I need to put into the Row Visibility to get the row to disappear if "" or NOTHING is used for FALSE. 我在弄清楚如果将“”或NOTHING用于FALSE时需要在行可见性中使用什么表达式才能使行消失而遇到问题。 I've tried combinations of IIF, SWITCH, and ISNOTHING but no dice. 我试过IIF,SWITCH和ISNOTHING的组合,但没有骰子。
Thoughts? 有什么想法吗?
如果要在表达式为空白时隐藏行,则可以使用TRUE来隐藏当前具有空白的行:
=IIF(last(Fields!OpenedEmail.Value) >= (DateAdd(DateInterval.Day, -30, Parameters!end_date.Value)), False, True)
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