private void button2_Click(object sender, EventArgs e)
{
this.Visible = false;
Select_zone Select_zone = new Select_zone("Book");
Select_zone.Show();
}
private void Back_Click(object sender, EventArgs e)
{
if (hasvalue == 1)
{
this.Visible = false;
Select_zone Select_zone = new Select_zone("Change", course2, teacher2, student2, room2, capacity2, time2);
Select_zone.Show();
}
else
{
this.Visible = false;
Select_zone Select_zone = new Select_zone("Book");
Select_zone.Show();
}
}
private void button2_Click(object sender, EventArgs e)
{
if (course == "")
{
MessageBox.Show("You should choose a course first!");
}
else
{
DialogResult dialogResult = MessageBox.Show("You are canceling " + room + " for teacher " + teacher + " and course " + course + ". Are you sure?", "Warning", MessageBoxButtons.YesNo);
if (dialogResult == DialogResult.Yes)
{
XmlDocument xmlDoc2 = new XmlDocument();
xmlDoc2.Load("timetable.xml");
XmlNodeList nodeList = xmlDoc2.SelectSingleNode("NewDataSet").ChildNodes;
foreach (XmlNode xn in nodeList)
{
XmlElement xe = (XmlElement)xn;
XmlNodeList nls = xe.ChildNodes;
int choose = 0;
int choosetime = 0;
foreach (XmlNode xn1 in nls)
{
XmlElement xe2 = (XmlElement)xn1;
if (xe2.Name == "F1")
{
if (xe2.InnerText == textBox1.Text)
{
label2.Text = "Course Name: " + textBox1.Text;
choose = 1;
}
}
if (xe2.Name == "F6" && choose == 1)
{
if (xe2.InnerText == label8.Text.Substring(6))
{
choosetime = 1;
}
}
if (choose == 1 && choosetime == 1)
{
xe.RemoveAll();
StreamWriter sw = File.AppendText("Cancelmemo.txt");
sw.WriteLine("Cancel successful! \nRoom: " + room + " for teacher " + teacher + " and course " + course + " at " + timedomain + "\n");
sw.Flush();
sw.Close();
MessageBox.Show("Cancel successful!");
choose = 0;
}
}
}
xmlDoc2.Save("timetable.xml");
if (choosenumber == 1)
{
this.Visible = false;
Select_zone Select_zone = new Select_zone("Change", course, teacher, student, room, capacity, timedomain);
Select_zone.Show();
}
else if (choosenumber == 0)
{
this.Visible = false;
Operation Operation = new Operation();
Operation.Show();
}
}
}
}
