Hi Claudio,
Thanks for contacting Syncfusion support.
For the Grid widget we have provided “Fit To Content” property support to set the column width automatically based on its text content. So we recommend you to enable this property for the Grid widget. Please refer the documentation link.
Fit To Content property disabled:
Fit To Content property enabled:
Kindly get back to us if you need any further assistance.
Thanks,
Dhivya