private void registerButton_Click(object sender, EventArgs e)
{
name = nameTextBox.Text; //gets the name entered in textbox
surname = surnameTextBox.Text; //gets the surname entered in textbox
//throws a format exception where the format or type is different from expected
// in this case an integer!
try
{
id = Convert.ToInt32(idTextBox.Text);
}
catch (FormatException exceptionObject) //catches the exception showingan error message!
{
MessageBox.Show("Typing Error: re-enter a valid id number!");
count--; //if the wrong data was put in, user needs to re-enter the details,
//the number of employees entered correctly should remain the same!
}
//throws a format exception where the format or type is different from expected
// in this case a double!
try
{
salary = Convert.ToDouble(salaryTextBox.Text);
}
catch (FormatException exceptionObject)
{
MessageBox.Show("Typing Error: re-enter a valid salary!");
count--;//if the wrong data was put in, user needs to re-enter the details,
//the number of employees entered correctly should remain the same!
}
workers[count] = new Employee(id, name,surname, salary);
count++; //increases for next employee
label6.Text = Convert.ToString(count);//Shows the number of employees typed in
//so far
//text boxes are cleared for next input
idTextBox.Text = "";
nameTextBox.Text = "";
surnameTextBox.Text = "";
salaryTextBox.Text = "";
}
//Method that receives the array of workers and prints the ones with the lowest salary
private void PrintLowestSalary(Employee[] workers)
{
DisplayForm dForm = new DisplayForm(); //instance of display form
dForm.richTextBox2.AppendText("Lowest salary workers:" + "\r\n" + "\r\n");
double minSalary = workers[0].Salary; //sets the the first element of the array
//as the default minimum salary
for (int i = 0; i < count; i++)
{
if (workers[i].Salary < minSalary) //compares the minimum salary with other salaries
{
minSalary = workers[i].Salary; //saves the new minimum salary
}
}
//prints the employees with the lowest salary
for (int i = 0; i < count; i++) //checks every employee in the array
{
if (workers[i].Salary == minSalary) // if his salary is the same as the
//minimum salary
{
string workerString = workers[i].employeeToString() + "\r\n";
dForm.richTextBox2.AppendText(workerString);//it sends the string to the
//display form
dForm.Show(); //shows the display form
}
}
}