RDLC 错误号.

RDLC报：错误号加上val()就好了。

=IIF(Val(Sum(Fields!OILRESERVEM1.Value))<>0,CStr(Round(Val(Sum(Fields!OILRESERVEM1.Value))/Val(Sum(Fields!OILRESERVEM1.Value)
+Sum(Fields!OILRESERVEM2.Value)
+Sum(Fields!OILRESERVEM3.Value))*100,2))+"%","")

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原文地址：https://www.cnblogs.com/yuking/p/3071282.html