//public string FindCoursesBySequence(string name) //{ //} //public string GetDepartmentInfo() //{ //} public int findCourse(Course course) { if (courses.ContainsKey(course.getCourseId())) return 1; else return 0; }
//public string FindCoursesBySequence(string name) //{ //} //public string GetDepartmentInfo() //{ //} public int findCourse(Course course) { if (courses.ContainsKey(course.getCourseId())) { return(1); } else { return(0); } }
private void button2_Click(object sender, EventArgs e) { String error = ""; if (textBox4.Text.Equals("") || textBox3.Text.Equals("") || textBox5.Text.Equals("")) { error += "The field can't be empty.\n"; MessageBox.Show(error); } else { foreach (String course in courses.Keys) { if (course == textBox4.Text) { error += "Course Id alerady exists\n"; MessageBox.Show(error); } } if (error == "") { Course c1 = new Course(Convert.ToInt32(textBox4.Text), textBox3.Text, textBox5.Text); courses.Add(c1.getCourseId(), c1); String text = "Course " + textBox4.Text + " added"; MessageBox.Show(text); comboBox2.Items.Add(textBox4.Text); comboBox3.Items.Add(textBox4.Text); } else { MessageBox.Show(error); } } }