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");
}
}
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");
}
}
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");
}
}
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!");
}
}