ViewController/BookType/BookTypeForm.cs

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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;

using BookMIS.Model.BookType;

namespace BookMIS.ViewController.BookType
{
    public partial class BookTypeForm : Form
    {
        public BookTypeForm()
        {
            InitializeComponent();
        }
        BookTypeDAO booktypedao = new BookTypeDAOImpl();
        BookTypeEntity booktypeet = new BookTypeEntity();

        string flag = "";
        private void BookTypeForm_Load(object sender, EventArgs e)
        {
            flag = "insert";
            FillLV();
            MaxID();
        }
        public void FillLV()
        {
            DataTable dt = booktypedao.SelectBookType();
            if (dt != null)
            {
                LVBookType.Items.Clear();
                foreach (DataRow dr in dt.Rows)
                {
                    ListViewItem item = new ListViewItem(dr[0].ToString());
                    item.SubItems.Add(dr[1].ToString());
                    LVBookType.Items.Add(item);
                }
            }
        }
        public void MaxID()
        {
            string id = booktypedao.MaxTypeID();
            if (id == "")
            {
                txtTypeID.Text = "T001";
            }
            else
            {
                txtTypeID.Text = "T" + (Convert.ToInt32(id.Substring(1)) + 1).ToString("000");
            }
        }

        private void toolStripButton1_Click(object sender, EventArgs e)
        {
            GB.Text = "输入完信息请按保存";
            flag = "insert";