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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MSManivel Sellamuthu Syncfusion Team April 27, 2020 10:30 AM UTC
Hi Shreekumar,
Greetings from Syncfusion support.
In EJ 2 Grid, it is not feasible to render a checkbox in the group header for selection. However you can use checkbox selection feature of the Grid to select the grid rows. Please find the below