引言
Fastreport默认使用[]标识变量及表达式，如果你显示的文本中有方括号就会报错
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| FastReport.TextObjectBase.CalcAndFormatExpression(String expression,Int32 expressionIndex)
FastReport.TextObject.GetData()
FastReport.BandBase.GetData()
FastReport.Engine.ReportEngine.PrepareBand(BandBase band, Boolean getData) FastReport.Engine.ReportEngine.ShowBandToPreparedPages(BandBase band, Boolean getData)
FastReport.Engine.ReportEngine.ShowBand(BandBase band, Boolean getData)
FastReport.Engine.ReportEngine.ShowDataBand(DataBand dataBand, Int32 rowCount)
FastReport.Engine.ReportEngine.RunDataBand(DataBand dataBand, Int32 rowCount, Boolean keepFirstRow, Boolean keepLastRow)
FastReport.Engine.ReportEngine.RunDataBand(DataBand dataBand)
FastReport.Engine.ReportEngine.RunBands(BandCollection bands) FastReport.Engine.ReportEngine.RenderOuterSubreports(BandBase parentBand)
FastReport.Engine.ReportEngine.ShowBand(BandBase band, Boolean getData)
FastReport.Engine.ReportEngine.ShowDataBand(DataBand dataBand, Int32 rowCount)
FastReport.Engine.ReportEngine.RunDataBand(DataBand dataBand, Int32 rowCount, Boolean keepFirstRow, Boolean keepLastRow) FastReport.Engine.ReportEngine.ShowGroupTree(GroupTreeItem root) FastReport.Engine.ReportEngine.ShowGroupTree(GroupTreeItem root)
FastReport.Engine.ReportEngine.RunGroup(GroupHeaderBand groupBand)
FastReport.Engine.ReportEngine.RunBands(BandCollection bands)
FastReport.Engine.ReportEngine.RunReportPage(ReportPage page)
FastReport.Engine.ReportEngine.RunReportPages()
FastReport.Engine.ReportEngine.RunReportPages(ReportPage page)
FastReport.Engine.ReportEngine.Run(Boolean runDialogs, Boolean append, Boolean resetDataState, ReportPage page)
FastReport.Report.Prepare(Boolean append)
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此时你首先想到的就是转义，其实Fastreport提供了简单的方法
解决办法
变量标识符叫Brackets，它默认是[,]，你可以把它替换成其它的"<,>",、 "<!,!>"；但是任何其它的标识符也难免有作为文本的时候，此时你可以删除Brackets属性，那它就会直接把你的值作为变量来使用，而不会解析文本中的[]
参考资料：