Admin/Products/FrmAddProduct.cs

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using BLL;
using Common;
using Models;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;



namespace Admin
{
    public partial class FrmAddProduct : Form
    {
        private ProductManager objProductManager = new ProductManager();
        public FrmAddProduct()
        {
            InitializeComponent();

            InitProductCategory();
            InitProductUnit();

        }
        //添加锁定分类按钮，避免输入同类商品时频繁选择问题
        private void btnLock_Click(object sender, EventArgs e)
        {
            if (this.btnLock.Text == "锁定")
            {
                this.cboCategory.Enabled = false;
                this.cboUnit.Enabled = false;
                this.btnLock.Text = "解锁";

            }
            else
            {
                this.cboCategory.Enabled = true;
                this.cboUnit.Enabled = true;
                this.btnLock.Text = "锁定";
            }
        }
        //关闭窗口
        private void btnClose_Click(object sender, EventArgs e)
        {
            this.Close();
        }
        private void FrmEditProduct_FormClosing(object sender, FormClosingEventArgs e)
        {

        }
        //添加商品
        private void btnSubmit_Click(object sender, EventArgs e)
        {
            string productId = this.txtProductId.Text.Trim();
            string productName = this.txtProductName.Text.Trim();
            string unitPrice = this.txtUnitPrice.Text.Trim();
            string unit = this.cboUnit.Text;