public void delete()
{
DialogResult result = MessageBox.Show("Do you really want to Delete this Product", "Confirm product Deletion", MessageBoxButtons.YesNo, MessageBoxIcon.Warning);
if (result == DialogResult.Yes)
{
ConnectionClass.DeleteCommand("Delete from Category where Category_id=" + dataGridView1.SelectedRows[0].Cells[0].Value.ToString());
MessageBox.Show("Account Deleted Successfully!");
dataGridView1.DataSource = ConnectionClass.Selectcommand("select * from Category");
}
}