I implemented 'Stacked header' using the 'columns' property, but an error occurs in the color console.

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https://ej2.syncfusion.com/angular/documentation/grid/columns/column-headers?cs-save-lang=1&cs-lang=ts#stacked-header

hello. I implemented exactly as shown in this url, but I get 'col.isForeignColumn is not a function' error in chrome developer console. Why is this?

[Dineshnarasimman Muthu]

Hi,

Greetings from Syncfusion Support.

We have reviewed your query about ‘col.isForeignColumn is not a function ‘ issue in stacked header by implementing the code from the documentation. We tried to replicate the issue by rendering a sample using documentation as you have mentioned but unfortunately, we cannot replicate the issue you are facing. The sample have been attached for your reference.

Sample: https://stackblitz.com/edit/angular-b1dkvn-ae7sf9?file=src%2Fapp.component.ts

However, we understand that you are facing this issue while using ng-template in column. Can you please provide the following information which will be very helpful for us to provide quick and better solution.

• Video demonstration of the issue you are facing, which will be very helpful to us to understand your requirement. 
• If possible, can you please replicate the issue in the sample which we have provided.
• Can you please provide us with the version of the Syncfusion Package you are currently using. This information will help us ensure compatibility and provide the most relevant guidance.

Regards,

Dineshnarasimman