The Syncfusion® native Blazor components library offers 70+ UI and Data Viz web controls that are responsive and lightweight for building modern web apps.
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VPVimal Prabhu Manohkaran Syncfusion Team October 18, 2017 07:03 AM UTC
Hi Jelena,
Thanks for using Syncfusion products. Regarding your query of setting column widths in percentage, currently it is not possible to set width in percentage directly to the GridColumns. However you can assign width to individual columns based on the overall size the SfDataGrid is layout to in the application. Please hook the SfDataGrid.GridLoaded event and use the below codes in the GridLoaded event handler to achieve your requirement.