【问题标题】:RDLC - IIF expression error - Argument not specified for parameter 'FalsePart'RDLC - IIF 表达式错误 - 未为参数“FalsePart”指定参数
【发布时间】:2018-07-30 10:13:19
【问题描述】:

我有一份带有以下表达式的 RDLC 报告。

=Iif( (Fields!EnvironmentalAuditorCompany.Value = "" and Fields!EnvironmentalAuditorPerson.Value""), (字段!EnvironmentalAuditorPerson.Value), ( Iif(Fields!EnvironmentalAuditorPerson.Value = "" and Fields!EnvironmentalAuditorCompany.Value""), (字段!EnvironmentalAuditorCompany.Value), Iif(Fields!EnvironmentalAuditorPerson.Value="" and Fields!EnvironmentalAuditorCompany.Value=""), "-", (Fields!EnvironmentalAuditorPerson.Value) & "," & vbCr & vbLf & (Fields!EnvironmentalAuditorCompany.Value) ) )

但是,我收到以下错误消息

文本运行“EEnvAuditorPerson.Paragraphs[0].TextRuns[0]”的值表达式包含错误:[BC30455] 未为“公共函数 IIf(表达式为布尔值,TruePart 为对象)的参数“FalsePart”指定参数, FalsePart As Object) As Object'。

请协助解决。

以下是表达式的情况: 1. 可能有任何一个具有价值的字段(AuditPerson/AuditCompany),如果是,请填写相应的字段 2. 如果是这样的话,这两个字段都将为空 - (Hypen) 3. 两个字段都有值,如果有值,用逗号隔开换行处理

【问题讨论】:

    标签: rdlc


    【解决方案1】:

    您的表达式中有一堆乱七八糟的括号,并且某些 IIF 确实缺少 FalsePart。我不会试图理解你的表达的意思,而只是简单地将它复制到文本编辑器中并排列你的 IIF 并修复相应的括号,我得到了这个:

        =Iif( 
             (Fields!EnvironmentalAuditorCompany.Value = "" and Fields!EnvironmentalAuditorPerson.Value<>""), 
             (Fields!EnvironmentalAuditorPerson.Value),
             Iif(
                 (Fields!EnvironmentalAuditorPerson.Value = "" and Fields!EnvironmentalAuditorCompany.Value<>""), 
                 (Fields!EnvironmentalAuditorCompany.Value), 
                 Iif(
                     (Fields!EnvironmentalAuditorPerson.Value="" and Fields!EnvironmentalAuditorCompany.Value=""), 
                     " - ", 
                     (Fields!EnvironmentalAuditorPerson.Value) & "," & vbCr & vbLf & (Fields!EnvironmentalAuditorCompany.Value)
                 ) 
             )
         )
    

    【讨论】:

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