DataSource.Rows.Remove() vb.net remoe row from grid view code example
Example: how to delete row in datagrid view in c#
private void btnDelete_Click(object sender, EventArgs e)
{
if (this.dataGridView1.SelectedRows.Count > 0)
{
dataGridView1.Rows.RemoveAt(this.dataGridView1.SelectedRows[0].Index);
}
}