/*
* NAME
*
* Help_Reader_Form::Student_List_SelectedIndexChanged - event that changes the reading level
* based on the student.
*
* SYNOPSIS
*
* void Help_Reader_Form::Student_List_SelectedIndexChanged(object sender, EventArgs e);
*
* sender --> object sending the event.
* e --> the event arguments.
*
* DESCRIPTION
*
* This function triggers when the selected student has changed. It loads their current
* reading level from the database into a textbox to be viewed.
*
*/
private void Student_List_SelectedIndexChanged(object sender, EventArgs e)
{
//Save id in hidden textbox
int id = students.ElementAt(Student_List.SelectedIndex).ID;
Student_ID_Box.Text = id.ToString();
//Load current reading lvl
char lvl = Database_Interface.Query_Student(id).CurrentLevel;
Reading_Lvl_Txtbox.Text = lvl.ToString();
}
/*
* NAME
*
* Help_Reader_Form::Level_Up_Button_Click - event that increases the reading level
* of that student by 1.
*
* SYNOPSIS
*
* void Help_Reader_Form::Level_Up_Button_Click(object sender, EventArgs e);
*
* sender --> object sending the event.
* e --> the event arguments.
*
* DESCRIPTION
*
* This function triggers when the user clicks the "Level Up!" button. It increases the student
* level by 1, or does nothing if they've reached the maximum reading level.
*
*/
private void Level_Up_Button_Click(object sender, EventArgs e)
{
DialogResult result = MessageBox.Show("Are you sure you want to level up this student?", "Are you sure?", MessageBoxButtons.YesNo);
if (result == DialogResult.Yes)
{
//Increase reading level by 1
string student_id = Student_ID_Box.Text;
int id = Convert.ToInt32(Student_ID_Box.Text);
char current_level = Database_Interface.Query_Reading_Level(id);
if (!current_level.Equals('Z'))
{
char new_level = (char)(Convert.ToUInt16(current_level) + 1);
Database_Interface.Update_Reading_Lvl(student_id, new_level);
//Refresh current level
char lvl = Database_Interface.Query_Student(id).CurrentLevel;
Reading_Lvl_Txtbox.Text = lvl.ToString();
}
}
}