基本信息

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   源码介绍

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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 System.IO;
using System.Xml;

namespace Duxieqi
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();


        }
        public String name;  
        public  List<string> liststring=new List<string>();
        String[] www=new string [4];

        private void Form1_Load(object sender, EventArgs e)
        {
          
        }
        public void ReadInfo(string  sss)
        {
            FileStream fs = new FileStream(sss, FileMode.Open);
            StreamReader sr = new StreamReader(fs);
            string info = sr.ReadLine();
            if (!string.IsNullOrEmpty(info))
            {
                string[] array1 = info.TrimStart().TrimEnd().Split(' ');
                for (int i = 0; i <= array1.Length; i  )
                {
                    if (array1[i] != "")
                    {
                        liststring.Add(array1[i]);
 
                    }

                }
                dataGridView1.Rows[0].Cells[0].Value = liststring[0].ToString();
            dataGridView1.Rows[0].Cells[1].Value = liststring[1];
            dataGridView1.Rows[0].Cells[2].Value = liststring[2];
            dataGridView1.Rows[0].Cells[3].Value = liststring[3];
                fs.Close();
          
            }
            ////string[] arrP = liststring.ConvertAll<string>(new Converter<Product, string>(delegate(Product p) { return p.Name; })).ToArray();
            //www[0] = liststring[0].ToString();
            //www[1] = liststring[1];
            //www[2] = liststring[2];
            //www[3] = liststring[3];
           

        }

        private void listView1_SelectedIndexChanged(object sender, EventArgs e)
        {

        }

        private void button3_Click(object sender, EventArgs e)
        {

            SaveFileDialog saveFileDialog1 = new SaveFileDialog();                    //实例化一个对象

            saveFileDialog1.Filter = "txt files (*.txt)|*.txt|All files (*.*)|*.*";       //能够创建的文本文件类型
            saveFileDialog1.FilterIndex = 2;
            saveFileDialog1.RestoreDirectory = true;

            if (saveFileDialog1.ShowDialog() == DialogResult.OK)
            {
                name = saveFileDialog1.FileName.ToString();
                if (!File.Exists(name))
                {
                    ;

                    FileStream fs1 = new FileStream(name, FileMode.Create, FileAccess.Write);//创建写入文件 
                    StreamWriter sw = new StreamWriter(fs1);
                    // sw.WriteLine("");//开始写入值字符串

                    sw.Close();
                    fs1.Close();
                    MessageBox.Show("创建成功！");

                }
                else
                {
                    MessageBox.Show("文件已经存在！");
                    FileStream fs = new FileStream(name, FileMode.Open, FileAccess.Write);
                    StreamWriter sr = new StreamWriter(fs);
                    sr.WriteLine(textBox1.Text);//开始写入值
                    sr.Close();
                    fs.Close();
                }
            }
            else
                return;

        }


        private void button1_Click(object sender, EventArgs e)
        {
            //try
            //{
            FileStream fs = new FileStream(name, FileMode.Open, FileAccess.Write);
            StreamWriter sr = new StreamWriter(fs);
            string input = textBox1.Text   "      "   textBox2.Text   "       "   textBox3.Text   "     "   textBox3.Text   "        ";
            dataGridView1.Rows[0].Cells[0].Value = textBox1.Text;
            dataGridView1.Rows[0].Cells[1].Value = textBox2.Text;
            dataGridView1.Rows[0].Cells[2].Value = textBox3.Text;
            dataGridView1.Rows[0].Cells[3].Value = textBox4.Text;




            sr.WriteLine(input);//开始写入值
            //sw.Write(input);
            sr.Close();
            MessageBox.Show("添加商品信息成功！", "成功提示");

           // ReadInfo();
            sr.Close();
            fs.Close();

            //}
            //catch (Exception)
            //{
            //    MessageBox.Show("出现错误，无法继续执行！", "错误提示");
            //}

        }


        private void button2_Click(object sender, EventArgs e)
        {
            /// int Index = 0;

            //if (this.listView1.SelectedItems.Count > 0)//判断listview有被选中项
            //{
            //    Index = this.listView1.SelectedItems[0].Index;//取当前选中项的index,SelectedItems[0]这必须为0
            //    listView1.Items[Index].Remove();
            //} 

        }



    }
}