我已经根据机器型号建立的5个图表；我想对图表进行设置，如果在table中没有某个机器型号的数据，则相应的chart就隐藏；我已经对5个chart都设置了表达式=iif(Fields!ent_name.Value like "中空线*",False,True)；可是不管table中有几个型号，chart只显示第一种机器型号
请教高手！表达式需要如何设置啊？
2条回答
save4me 2014-11-27 13:07关注改成=iif(LEFT(Fields!ent_name.Value, 3) = "中空线",False,True)试试
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