private void button2_Click(object sender, EventArgs e)
{
string fileName = "alumnos.txt";
FileStream stream = new FileStream(fileName, FileMode.Append, FileAccess.Write);
StreamWriter writer = new StreamWriter(stream);
for (int a = 0; a < alumno.Count; a++)
{
if (textBox1.Text == (alumno[a].Carne.ToString()))
{
alumno tem = new alumno();
tem.Carne = (alumno[a].Carne);
tem.Nombre = (alumno[a].Nombre);
alumno.Add(tem);
}
dataGridView1.DataSource = null;
dataGridView1.Refresh();
dataGridView1.DataSource = alumno;
dataGridView1.Refresh();
}
}
private void button1_Click(object sender, EventArgs e)
{
string fileName = "h.txt";
FileStream stream = new FileStream(fileName, FileMode.Append, FileAccess.Write);
StreamWriter writer = new StreamWriter(stream);
for (int i = 0; i < libro.Count(); i++)
{
if (comboBox1.Text == (libro[i].Nombre))
{
writer.WriteLine(libro[i].Carne);
writer.WriteLine(textBox1.Text);
alumno tem = new alumno();
tem.Carne = Convert.ToInt16(textBox1.Text);
tem.Nombre = (libro[i].Nombre);
alumno.Add(tem);
}
}
writer.Close();
textBox1.Text = "";
textBox1.Focus();
comboBox1.Text = "";
}