/// <summary>
        /// 点击保存
        /// </summary>
        private void btnSave_MouseDown(object sender, MouseButtonEventArgs e)
        {
            if (txtMoney.Text.Trim().Length == 0)
            {
                Message.ShowMessage("金额不能为空", this, errorFlg: true);
                return;
            }
            // 得到分类号
            string  sortCd = cmbSort.SelectedValue.ToString();
            decimal money  = Convert.ToDecimal(txtMoney.Text);

            if (!this.isDoing)
            {
                this.isDoing = true;
                if (!this.isEdit)
                {
                    if (this.accountDate.HasValue)
                    {
                        if (service.AddAccount(sortCd, money, txtComments.Text, this.accountDate.Value))
                        {
                            this.main.SuccessFlg = true;
                        }
                    }
                    else
                    {
                        if (service.AddAccount(sortCd, money, txtComments.Text))
                        {
                            this.main.SuccessFlg = true;
                        }
                    }
                }
                else
                {
                    if (service.EditAccount(this.accountDate.Value, sortCd, money, txtComments.Text))
                    {
                        this.main.SuccessFlg = true;
                    }
                }
            }
            this.Close();
        }