BookManager/frmBook/frmBookChange.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 Model;
using BLL;

namespace BookManager.frmBook
{
    public partial class frmBookChange : Form
    {
        private BookDetail book;
        private DataTable dtBook;
        public frmBookChange()
        {
            InitializeComponent();
        }
        public frmBookChange(BookDetail book,DataTable dtBook)
        {
            this.book = book;
            this.dtBook = dtBook;
            InitializeComponent();
        }
        private void frmBookChange_Load(object sender, EventArgs e)
        {
            BookTypeBLL bookTypeBLL = new BookTypeBLL();
            DataTable dtBookType = bookTypeBLL.getType();
            cobBookType.DataSource = dtBookType;
            cobBookType.DisplayMember = "bookTypeName";
            cobBookType.ValueMember = "bookTypeId";

            txtBookId.Text = book.BookId;
            txtBookId.Enabled = false;
            txtBookName.Text = book.BookName;
            cobBookType.Text = book.BookTypeID;
            //cobStatus.Text = book.Status;
            txtPublisher.Text = book.Publisher;
            txtAuthor.Text = book.Author;
            txtPrice.Text = book.BookPrice;
            txtBookPage.Text = book.BookPage;
            checkDate.Value = Convert.ToDateTime(book.CheckDate);
            txtBookInfo.Text = book.BookInfo;
        }
        private void btnAdd_Click(object sender, EventArgs e)
        {
            BookDetail bookDetail = new BookDetail();
            bookDetail.BookId = txtBookId.Text;
            bookDetail.BookName = txtBookName.Text;
            bookDetail.BookTypeID = cobBookType.SelectedValue.ToString();
            bookDetail.Publisher = txtPublisher.Text;
            bookDetail.Author = txtAuthor.Text;
            bookDetail.BookPrice = txtPrice.Text;
            bookDetail.BookPage = txtBookPage.Text;
            bookDetail.Status = "未借出";
            bookDetail.CheckDate = checkDate.Value.ToString();
            bookDetail.BookInfo = txtBookInfo.Text;