When i using LINQ Reporting Engine Template Syntax, form json data get a empty array, its worng

Aspose.Words Product Family
,
1

the template is:

when trials is empty array, will create a worng!

{“code”:500,“error”:“An error has been encountered at the end of expression ‘trial_drug?]’. Can not get the value of member ‘trial_drug’ on type ‘class com.aspose.words.net.System.Data.DataRow’.”,“data”:null}

What should I do? Hope to give a suggestion, thank you！

other:
i see a example

<<if [!items.Any()]>>No data.
<<else>><<foreach [item in items]>><<[item]>>
<</foreach>><</if>>

bug i get a error return.

{"code":500,"error":"An error has been encountered at the end of expression '!d.any()]>'. Can not resolve method 'any' on type 'class com.aspose.words.net.System.Data.DataRow'.","data":null} {"code":500,"error":"An error has been encountered at the end of expression '!d.any()]>'. Can not resolve method 'any' on type 'class com.aspose.words.net.System.Data.DataRow'.","data":null}
2

@zongsan Could you please attach your actual template and sample data here for testing? We will check the issue and provide you more information.

3

I’ve fixed the issue and found out that I need to increase the configuration through questions from other users in the forum.

engine.setOptions(ReportBuildOptions.ALLOW_MISSING_MEMBERS);

thank you very much

4

@zongsan It is perfect that you managed to resolve the problem.