private void button1_Click(object sender, EventArgs e)
        {
            int flag = 0;

            if (senderParent == fs.btInsQuantifier)
            {
                flag = db.InsertQuantifier(textBox1.Text);
            }
            else if (senderParent == fs.btInsPayment)
            {
                flag = db.InsertPayment(textBox1.Text);
            }
            else
            {
                flag = db.InsertCategory(textBox1.Text);
            }
            if (flag == 0)
            {
                MessageBox.Show("添加失败,请检查数据库连接!");
                return;
            }
            fs.FormSetting_Load(sender, e);
            this.Close();
        }