BoldSignA modern eSignature application with affordable pricing.
Sign up today for unlimited document usage!
Thank you for your interest in Syncfusion products.
If you want to remove the multiple selected child record from parent table in a grid, you can use the “DeleteAll()”method. Please refer the below code,
private void btnDeselectAll_Click(object sender, EventArgs e)
foreach (Table tbl in this.gridGroupingControl1.Table.RelatedTables)
Please let us know if you have any concern.