private void addBox()
{
Box box = new Box();
box.Name = textBox1.Text;
box.Width = Convert.ToDouble(textBox2.Text);
box.Height = Convert.ToDouble(textBox3.Text);
box.Length = Convert.ToDouble(textBox4.Text);
box.Max_weight = Convert.ToDouble(textBox5.Text);
box.Quantity = Convert.ToInt32(textBox6.Text);
box.Status = textBox7.Text;
InsertSQL addHnd = new InsertSQL();
int addrecord = addHnd.addNewBox(box);
MessageBox.Show("Success!!");
this.Close();
}
