private void label2_Click(object sender, EventArgs e) { int flag = 0; string numH; numH = tutor_db.GetAmauntHours(id_tu).ToString(); if (Int32.Parse(numH) < 0) { MessageBox.Show("Invildable num of hours for the Tutors\n"); flag = 1; } else if (Int32.Parse(numH) == 0) { MessageBox.Show("There is no left huors for the Tutors\n"); flag = 1; } if (flag == 0)//all good :) { label2.Text = numH; } }
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(); } } }