public DisplayAmountHoursLecturer(string id)
{
InitializeComponent();
this.id_lec = id;
int flag = 0;
string numH;
numH = lecturers_db.GetAmauntHours(id_lec);
if (Int32.Parse(numH) < 0)
{
MessageBox.Show("Invildable num of hours for the lecturers\n");
flag = 1;
}
else if (Int32.Parse(numH) == 0)
{
MessageBox.Show("There is no left huors for the lecturers\n");
flag = 1;
}
if (flag == 0)//all good :)
{
label2.Text = numH;
}
//tb_left.Text = numH.ToString();
}
private void check_Click(object sender, EventArgs e)
{
int flag = 0;
string numH;
int user_check = 0;
while (flag == 0)
{
if (string.IsNullOrWhiteSpace(tb_id.Text))
{
MessageBox.Show("Have empty field.");
tb_username.Text = String.Empty;
tb_id.Text = String.Empty;
break;
}
else if (string.IsNullOrWhiteSpace(tb_username.Text))
{
MessageBox.Show("Have empty field.");
tb_id.Text = String.Empty;
tb_username.Text = String.Empty;
break;
}
//check if the Tutor exist----//check if the lecture exist
else if ((!tutor_db.existTutors(tb_username.Text, tb_id.Text)) && (!lecturers_db.existlecturer_db(tb_username.Text, tb_id.Text)))
{
// MessageBox.Show("Tutor not existe\n");
MessageBox.Show("User not existe\n");
tb_id.Text = String.Empty;
tb_username.Text = String.Empty;
user_check = 0;//=1
break;
}
else if (tutor_db.existTutors(tb_username.Text, tb_id.Text))
{
user_check = 1; //tutors
flag = 1; //out loop
}
else
{
user_check = 2; //lecturer
flag = 1; //out loop
}
}
flag = 0;
if (user_check == 0)
{
MessageBox.Show("ERROR:User lecture & Tutor\n");
}
if (user_check == 2)
{
//lec
numH = lecturers_db.GetAmauntHours(tb_id.Text);
if (Convert.ToInt32(numH) < 0)
{
MessageBox.Show("Invildable num of hours for the lecturers\n");
flag = 1;
}
else if (Convert.ToInt32(numH) == 0)
{
MessageBox.Show("There is no left huors for the lecturers\n");
flag = 1;
}
if (flag == 0)//all good :)
{
tb_left.Text = numH.ToString();
}
}
if (user_check == 1)
{
//tot
numH = tutor_db.GetAmauntHours(tb_id.Text).ToString();
if (Convert.ToInt32(numH) < 0)
{
MessageBox.Show("Invildable num of hours for the Tutors\n");
flag = 1;
}
else if (Convert.ToInt32(numH) == 0)
{
MessageBox.Show("There is no left huors for the Tutors\n");
flag = 1;
}
if (flag == 0)//all good :)
{
tb_left.Text = numH.ToString();
}
}
}
