private void button2_Click(object sender, EventArgs e)
{
For2 f1 = new For2();
this.Hide();
f1.ShowDialog();
this.Close();
}
private void button3_Click(object sender, EventArgs e)
{
try
{
string path = @"D:\fileOrganProject\fileOrganProject\bin\Debug\data.txt";
FileStream fs = new FileStream(path, FileMode.Append);
StreamWriter sw = new StreamWriter(fs);
StringBuilder courseID = new StringBuilder(3);
StringBuilder courseName = new StringBuilder(10);
StringBuilder instructorName = new StringBuilder(20);
StringBuilder numberOfStudents = new StringBuilder(2);
courseID.Insert(0, textBox2.Text);
instructorName.Insert(0, textBox3.Text);
courseName.Insert(0, textBox1.Text);
numberOfStudents.Insert(0, textBox4.Text);
for (int i = textBox2.Text.Length; i < 3; i++)
{
courseID.Append('\0');
}
sw.Write(courseID.ToString(), 0, 3);
for (int i = textBox1.Text.Length; i < 10; i++)
{
courseName.Append('\0');
}
sw.Write(courseName.ToString(), 0, 10);
for (int i = textBox3.Text.Length; i < 20; i++)
{
if (i == 19)
{
instructorName.Append('\n');
}
else if (i == 18)
{
instructorName.Append('\r');
}
else
{
instructorName.Append('\0');
}
}
sw.Write(instructorName.ToString(), 0, 20);
for (int i = textBox4.Text.Length; i < 2; i++)
{
numberOfStudents.Append('\0');
}
sw.Write(numberOfStudents.ToString(), 0, 2);
sw.WriteLine();
x = Convert.ToInt32(textBox4.Text);
sw.Close();
For2 f1 = new For2();
this.Hide();
f1.ShowDialog();
this.Close();
}catch (Exception e1)
{
MessageBox.Show("Sorry There is missing input", "Error");
}
}
