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X Value must be null or empty

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Yong Gu Kang
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Yong Gu Kang asked on 18 Dec 2017, 03:57 AM

Hi telerik,

 

I've a report view which contains Graph and has been used for a few years since 2015 without problem,

however I encountered an error after upgrading to 2017 R3 saying "lineSeries1 : X value must be null or empty when using Category Style".

I searched here and there as well as report document guide but can't have a tip.

What does that mean? 

Pls refer attached my report design image and let me know what should be changed.

 

TIA

Kang

 

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Ivan Hristov
Telerik team
answered on 19 Dec 2017, 11:32 AM
Hi Kang,

You are right, this error message was recently introduced and its function is to notify the user that the series' X value does not need an expression, when using a category scale. As explained here, the X value will be automatically determined by the category group, which has its Grouping set to a certain field, so it's redundant to use this field also for the series' X property.

Please make sure that the field used for category grouping is LapSeconds and remove (reset) the X property from series definition. This will allow the graph to be correctly processed and rendered.

Regards,
Ivan Hristov
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Yong Gu Kang
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answered on 19 Dec 2017, 12:35 PM

Hi Ivan,

 

It works. Thanks.

Kang

 

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Ivan Hristov
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Yong Gu Kang
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