TuShuLeiBieTianJiaForm.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;

namespace MF借书系统
{
    public partial class TuShuLeiBieTianJiaForm : Form
    {
        public TuShuLeiBieTianJiaForm()
        {
            InitializeComponent();
        }

        private void button2_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void textBox3_MouseDown(object sender, MouseEventArgs e)
        {
            Fk.Text = "";
        }

        private void button1_Click(object sender, EventArgs e)
        {
            if (TypeName.Text == null && TypeName.Text == "")
            {
                MessageBox.Show("填写的图书类别名称不能为空");
                return;
            }
            if (Days.Text == null && Days.Text == "")
            {
                MessageBox.Show("填写的可借天数不能为空");
                return;
            }
            if (Fk.Text == null && Fk.Text == "")
            {
                MessageBox.Show("填写的罚款不能为空");
                return;
            }
            string typeName = TypeName.Text;
            int days = int.Parse(Days.Text);
            double fk = double.Parse(Fk.Text); 
            ZhongJianChen.Class_TuShuTianJiaLeiBie zhongJianChen = new ZhongJianChen.Class_TuShuTianJiaLeiBie();
            if (zhongJianChen.setTuShu(typeName, days, fk))
            {
                MessageBox.Show("成功插入!");
                TypeName.Text = "";
                Days.Text = "";
                Fk.Text = "";
            }
            else
            {
                MessageBox.Show("插入失败,请检查原因!");
            }