# Cannot concatenate expression **URL:** \ **Category:** General Discussion\ **Created:** [November 16, 2021, 6:11pm UTC](https://forum.inductiveautomation.com/t/cannot-concatenate-expression/53140 "2021-11-16T18:11:54Z")\ **Posts on this page:** 1\ **Showing post:** 4
**Author:** ![JordanCClark](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/jordancclark/32/83362_2.png) [@JordanCClark](https://forum.inductiveautomation.com/u/JordanCClark)\ **Post date:** [November 16, 2021, 8:52pm UTC](https://forum.inductiveautomation.com/t/cannot-concatenate-expression/53140/4 "2021-11-16T20:52:01Z")
> [@Indirect History Tags in Easy Chart](https://forum.inductiveautomation.com/t/indirect-history-tags-in-easy-chart/3045/2): > > Yes, it can be done. All you need to do is bind the Tag Pens dataset property of the Easy Chart to a cell update binding. The cell update binding allows you to dynamically change a cells values in a dataset. If you look at the Tag Pens dataset you will see that the second column is the tag path. In the cell update binding select the tag path cell you want to change and press the green + button to add it below. Select the added record and set the value to whatever path you want. To use a property… --- _[View the full topic](https://forum.inductiveautomation.com/t/cannot-concatenate-expression/53140)._