private void ShowAllStudents(object sender, EventArgs e)
{
Reset();
displayRichTextBox.Text = "";
try
{
if (studentList.Count > 0)
{
string output = "Student Details \n\n";
foreach (StudentInformation student in studentList)
{
output += StudentInformation.ShowStudent(student);
}
output += StudentInformation.DisplayMaxMinAvgTotal(studentList);
DisplayOutput(output);
}
else
{
ShowErrorMessage("Please add students first!");
return;
}
}
catch (Exception exception)
{
ShowErrorMessage(exception.Message);
}
}
private void AddStudent(object sender, EventArgs e)
{
try
{
displayRichTextBox.Text = "";
id = idTextBox.Text;
name = nameTextBox.Text;
mobile = mobileTextBox.Text;
age = (ageTextBox.Text == "") ? 0 : int.Parse(ageTextBox.Text);
gpa = (gpaTextBox.Text == "") ? 0 : double.Parse(gpaTextBox.Text);
if (ValidateInputs(studentList, id, name, mobile, age, gpa))
{
StudentInformation newStudent = new StudentInformation(id, name, mobile, age, gpa);
studentList.Add(newStudent);
string output = "Student Added \n\n";
output += StudentInformation.ShowStudent(newStudent);
DisplayOutput(output);
Reset();
}
else
{
return;
}
}
catch (Exception exception)
{
ShowErrorMessage(exception.Message);
}
}
public static string ShowStudent(StudentInformation student)
{
string output = "\nID : " + student.id
+ "\nName : " + student.name
+ "\nMobile : " + student.mobile
+ "\nAge : " + student.age
+ "\nGPA : " + student.gpa
+ "\n";
return(output);
}
private void SearchStudent(object sender, EventArgs e)
{
List <StudentInformation> students = new List <StudentInformation>();
string searchText = searchTextBox.Text.ToLower();
if (searchText == "")
{
ShowErrorMessage("Please enter id, name or mobile to search.");
}
if (idRadioButton.Checked == true)
{
students = studentList.FindAll(r => r.id.ToLower() == searchText);
}
else if (nameRadioButton.Checked == true)
{
students = studentList.FindAll(r => r.name.ToLower() == searchText);
}
else if (mobileRadioButton.Checked == true)
{
students = studentList.FindAll(r => r.mobile.ToLower() == searchText);
}
else
{
ShowErrorMessage("Please select id, name or mobile to search.");
}
if (students.Count == 0)
{
ShowErrorMessage("No student found that matches the description");
}
else
{
string output = "Search Result \n\n";
foreach (StudentInformation student in students)
{
output += StudentInformation.ShowStudent(student);
}
DisplayOutput(output);
}
}