private void checkBox1_CheckedChanged(object sender, EventArgs e)
 {
     if (File.Exists("stud.txt"))
     {
         if (checkBox1.Checked == true)
         {
             maskedTextBox1.Enabled = false;
             comboBox1.Enabled      = true;
             char[] separator = new char[] { '|' };
             Create();
             //Global.aFile = new FileStream("stud.txt", FileMode.Open);
             //Global.sr = new StreamReader(Global.aFile, Encoding.Default);
             dt[] dats = new dt[20];
             Global.nd = Separat(dats, Global.n, separator);
             for (int i = 0; i < Global.nd; i++)
             {
                 comboBox1.Items.Add(i + 1);
             }
         }
         else
         {
             maskedTextBox1.Enabled = true;
             comboBox1.Enabled      = false;
             comboBox1.Items.Clear();
         }
     }
     else
     {
         MessageBox.Show("Файл не создан");
     }
 }
Esempio n. 2
0
 private void checkBox1_CheckedChanged(object sender, EventArgs e)
 {
     if (File.Exists("stud.txt"))
     {
         if (checkBox1.Checked == true)
         {
             maskedTextBox4.Enabled = false;
             comboBox1.Enabled      = true;
             char[] separator = new char[] { '|' };
             Create();
             //Global.aFile = new FileStream("stud.txt", FileMode.Open);
             //Global.sr = new StreamReader(Global.aFile, Encoding.Default);
             int  nd   = 0;
             dt[] dats = new dt[20];
             while (!Global.sr.EndOfStream)
             {
                 string[] slov = Global.sr.ReadLine().Split(separator);
                 dats[nd].name     = slov[0];
                 dats[nd].address  = slov[1];
                 dats[nd].phnomber = slov[2];
                 nd++;
             }
             Global.sr.Close();
             for (int i = 0; i < nd; i++)
             {
                 comboBox1.Items.Add(i + 1);
             }
             //if (maskedTextBox4.Text != "" )
             //{
             //    comboBox1.SelectedItem = null;
             //}
         }
         else
         {
             maskedTextBox4.Enabled = true;
             comboBox1.Enabled      = false;
             comboBox1.Items.Clear();
             // comboBox1.SelectedItem = null;
         }
     }
 }
        private void button1_Click(object sender, EventArgs e)
        {
            if (File.Exists("stud.txt"))
            {
                if (maskedTextBox1.Enabled == true)
                {
                    if (maskedTextBox1.Text == "")
                    {
                        MessageBox.Show("Введите номер строки");
                    }
                    else
                    {
                        dt[]   dats      = new dt[20];
                        char[] separator = new char[] { '|' };
                        Create();
                        //Global.aFile = new FileStream("stud.txt", FileMode.Open);
                        //Global.sr = new StreamReader(Global.aFile, Encoding.Default);
                        Global.nd = Separat(dats, Global.n, separator);
                        if (Global.nd < Convert.ToInt32(maskedTextBox1.Text))
                        {
                            MessageBox.Show("Нет записи");
                        }
                        else
                        {
                            // Create();
                            Global.aFile = new FileStream("stud.txt", FileMode.Create);
                            Global.sw    = new StreamWriter(Global.aFile, Encoding.Default);
                            for (int i = 0; i < Global.nd; i++)
                            {
                                if ((i + 1) != Convert.ToInt32(maskedTextBox1.Text))
                                {
                                    Global.name     = dats[i].name;
                                    Global.phnomber = dats[i].phnomber;
                                    Global.address  = dats[i].address;
                                    Global.sw.WriteLine("{0}|{1}|{2}", Global.name, Global.address, Global.phnomber);
                                }
                            }
                            Global.sw.Close();
                            maskedTextBox1.Clear();
                            MessageBox.Show("Запись удалена!");
                        }
                    }
                }
                else if (comboBox1.Enabled == true)
                {
                    if (comboBox1.Text == "")
                    {
                        MessageBox.Show("Выберите номер строки");
                    }
                    else
                    {
                        char[] separator = new char[] { '|' };
                        Create();
                        //Global.aFile = new FileStream("stud.txt", FileMode.Open);
                        //Global.sr = new StreamReader(Global.aFile, Encoding.Default);
                        dt[] dats = new dt[20];
                        Global.nd = Separat(dats, Global.n, separator);
                        for (int i = 0; i < Global.nd; i++)
                        {
                            comboBox1.Items.Add(i + 1);
                        }

                        if (Global.nd < Convert.ToInt32(comboBox1.Text))
                        {
                            MessageBox.Show("Нет записи");
                        }
                        else
                        {
                            //Create();
                            Global.aFile = new FileStream("stud.txt", FileMode.Create);
                            Global.sw    = new StreamWriter(Global.aFile, Encoding.Default);
                            for (int i = 0; i < Global.nd; i++)
                            {
                                if ((i + 1) != Convert.ToInt32(comboBox1.Text))
                                {
                                    Global.name     = dats[i].name;
                                    Global.phnomber = dats[i].phnomber;
                                    Global.address  = dats[i].address;
                                    Global.sw.WriteLine("{0}|{1}|{2}", Global.name, Global.address, Global.phnomber);
                                }
                            }
                            Global.sw.Close();
                            checkBox1.Checked = false;
                            MessageBox.Show("Запись удалена!");
                        }
                    }
                }
            }
            else
            {
                MessageBox.Show("Файл не создан");
            }
        }
Esempio n. 4
0
 private void button1_Click_1(object sender, EventArgs e)
 {
     if (File.Exists("stud.txt"))
     {
         if (maskedTextBox1.Text == "" || maskedTextBox2.Text == "" || maskedTextBox3.Text == "")
         {
             MessageBox.Show("Не все поля заполнены!");
         }
         else
         {
             char[] separator = new char[] { '|' };
             Create();
             int  nd   = 0;
             dt[] dats = new dt[20];
             while (!Global.sr.EndOfStream)
             {
                 string[] slov = Global.sr.ReadLine().Split(separator);
                 if (maskedTextBox4.Text == "")
                 {
                     if (nd == Convert.ToInt32(comboBox1.Text) - 1)
                     {
                         slov[0] = maskedTextBox3.Text;
                         slov[1] = maskedTextBox2.Text;
                         slov[2] = maskedTextBox1.Text;
                     }
                 }
                 else
                 {
                     if (nd == Convert.ToInt32(maskedTextBox4.Text) - 1)
                     {
                         slov[0] = maskedTextBox3.Text;
                         slov[1] = maskedTextBox2.Text;
                         slov[2] = maskedTextBox1.Text;
                     }
                 }
                 dats[nd].name     = slov[0];
                 dats[nd].address  = slov[1];
                 dats[nd].phnomber = slov[2];
                 nd++;
             }
             Global.sr.Close();
             //Create();
             Global.aFile = new FileStream("stud.txt", FileMode.Create);
             Global.sw    = new StreamWriter(Global.aFile, Encoding.Default);
             for (int i = 0; i < nd; i++)
             {
                 Global.sw.WriteLine($"{dats[i].name}|{dats[i].address}|{dats[i].phnomber}");
             }
             MessageBox.Show("Запись изменена!");
             Global.sw.Close();
             maskedTextBox4.Enabled = true;
             maskedTextBox1.Enabled = false;
             maskedTextBox2.Enabled = false;
             maskedTextBox3.Enabled = false;
             button1.Enabled        = false;
             maskedTextBox1.Clear();
             maskedTextBox2.Clear();
             maskedTextBox3.Clear();
             maskedTextBox4.Clear();
             checkBox1.Checked       = false;
             checkBox1.Enabled       = true;
             comboBox1.SelectedItem  = null;
             comboBox1.SelectedIndex = -1;
         }
     }
     else
     {
         MessageBox.Show("Файл не создан");
     }
 }
Esempio n. 5
0
        private void button2_Click(object sender, EventArgs e) //найти
        {
            if (File.Exists("stud.txt"))
            {
                if (maskedTextBox4.Enabled == true)
                {
                    int    nd = 0;
                    int    n;
                    string lin       = "";
                    dt[]   dats      = new dt[20];
                    char[] separator = new char[] { '|' };
                    Create();
                    //Global.aFile = new FileStream("stud.txt", FileMode.Open);
                    //Global.sr = new StreamReader(Global.aFile, Encoding.Default);
                    while (!Global.sr.EndOfStream)
                    {
                        lin = Global.sr.ReadLine();
                        string[] slov = lin.Split(separator);
                        dats[nd].address  = slov[1];
                        dats[nd].phnomber = slov[2];
                        dats[nd].name     = slov[0];
                        nd++;

                        if (!int.TryParse(maskedTextBox4.Text, out n))
                        {
                            MessageBox.Show("Ошибка");
                        }
                        else
                        {
                            if (nd == Convert.ToInt32(maskedTextBox4.Text))
                            {
                                maskedTextBox3.Text = slov[0];
                                maskedTextBox2.Text = slov[1];
                                maskedTextBox1.Text = slov[2];
                            }
                        }
                    }

                    Global.sr.Close();

                    if (int.TryParse(maskedTextBox4.Text, out n))
                    {
                        if (nd < Convert.ToInt32(maskedTextBox4.Text) || maskedTextBox4.Text == "0")
                        {
                            MessageBox.Show("Нет записи");
                        }
                        else
                        {
                            maskedTextBox1.Enabled = true;
                            maskedTextBox2.Enabled = true;
                            maskedTextBox3.Enabled = true;
                            button1.Enabled        = true;
                            maskedTextBox4.Enabled = false;
                            checkBox1.Enabled      = false;
                        }
                    }
                    else
                    {
                        MessageBox.Show("Ошибка");
                    }
                }
                else if (comboBox1.Enabled == true)
                {
                    int    nd = 0;
                    int    n;
                    string lin       = "";
                    dt[]   dats      = new dt[20];
                    char[] separator = new char[] { '|' };
                    Create();
                    //Global.aFile = new FileStream("stud.txt", FileMode.Open);
                    //Global.sr = new StreamReader(Global.aFile, Encoding.Default);
                    while (!Global.sr.EndOfStream)
                    {
                        lin = Global.sr.ReadLine();
                        string[] slov = lin.Split(separator);
                        dats[nd].address  = slov[1];
                        dats[nd].phnomber = slov[2];
                        dats[nd].name     = slov[0];
                        nd++;

                        if (!int.TryParse(comboBox1.Text, out n))
                        {
                            MessageBox.Show("Ошибка");
                        }
                        else
                        {
                            if (nd == Convert.ToInt32(comboBox1.Text))
                            {
                                maskedTextBox3.Text = slov[0];
                                maskedTextBox2.Text = slov[1];
                                maskedTextBox1.Text = slov[2];
                            }
                        }
                    }

                    Global.sr.Close();

                    if (int.TryParse(comboBox1.Text, out n))
                    {
                        if (nd < Convert.ToInt32(comboBox1.Text))
                        {
                            MessageBox.Show("Нет записи");
                        }
                        else
                        {
                            maskedTextBox1.Enabled = true;
                            maskedTextBox2.Enabled = true;
                            maskedTextBox3.Enabled = true;
                            button1.Enabled        = true;
                            comboBox1.Enabled      = false;
                            checkBox1.Enabled      = false;
                        }
                    }
                    else
                    {
                        MessageBox.Show("Ошибка");
                    }
                }
            }
            else
            {
                MessageBox.Show("Файл не создан!");
            }
        }