Hi Kamil,
Thanks for contacting Syncfusion support.
We tried to reproduce the problem by creating a sample with the codes which you have shared with us. But the edit dialog template renders fine and update in Grid works fine with our sample. We are attaching the sample for your convenience, please download the sample from the link below,
If you are still facing difficulties, kindly, get back to us with the following details for better assistance.
- Share the sample which you have tried form your side. So that we could validate the script error from your side and provide a solution.
- If possible, kindly reproduce the problem with the attached sample and share with us for further analysis.
- Share the details of script error if any occurred in the browser console.
- Share the Syncfusion version details.
The provided information will help us analyze the problem, and provide you a solution as early as possible.
Regards,
Renjith Singh Rajendran.