private void cmbMajors_SelectionChangeCommitted(object sender, EventArgs e)
{
if (cboStudent.SelectedValue != null)
{
string cboStu = cboStudent.SelectedValue.ToString();
int intStuID = int.Parse(cboStudent.SelectedValue.ToString());
CourseBusiness cb = new CourseBusiness();
List <CoursesTakenPreviously> cp = cb.GetCourseTakenPrev(intStuID);
}
}
private void cboStudents_SelectedIndexChanged(object sender, EventArgs e)
{
CourseBusiness cb = new CourseBusiness();
int stuID = int.Parse(cboStudents.SelectedItem.ToString());
CList = cb.GetCoursesEnrolled(stuID);
cboCourses.DataSource = CList;
cboCourses.Refresh();
}
private void btnTest_Click(object sender, EventArgs e)
{
int resulIns;
CourseBusiness cb = new CourseBusiness();
int stuID = Int32.Parse(txtStudentID.Text.ToString());
string cboCo = cboCourse.SelectedValue.ToString();
resulIns = cb.RegisterStudent(stuID, cboCo);
MessageBox.Show("Student Registered");
}
private void Form3_Load(object sender, EventArgs e)
{
try
{
CourseBusiness cb = new CourseBusiness();
List <Course> CList = cb.GetAllCourses();
cboCourses.DataSource = CList;
cboCourses.ValueMember = "CourseNum";
cboCourses.DisplayMember = "CourseNum";
cboCourses.Refresh();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void btnUnRegister_Click(object sender, EventArgs e)
{
int stuID = int.Parse(cboStudents.SelectedValue.ToString());
string cnum = cboCourses.SelectedValue.ToString();
CourseBusiness cb = new CourseBusiness();
int res = cb.UnregisterStudent(stuID, cnum);
MessageBox.Show("Student " + stuID.ToString() + " Unregistered for " + cnum);
CList.Remove(cnum);
cboCourses.DataSource = null;
cboCourses.Items.Clear();
cboCourses.DataSource = CList;
cboCourses.Refresh();
}
private void Form5_Load(object sender, EventArgs e)
{
try
{
CourseBusiness cb = new CourseBusiness();
StudentBusiness sb = new StudentBusiness();
List <int> SList = sb.GetStudentEnrolledIDs();
noDupSList = SList.Distinct().ToList();
cboStudents.DataSource = noDupSList;
cboStudents.Refresh();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void cboStudent_SelectedIndexChanged(object sender, EventArgs e)
{
dg1.DataSource = null;
dg1.Rows.Clear();
if (cboStudent.SelectedValue != null)
{
string cboStu = cboStudent.SelectedValue.ToString();
int intStuID;
bool parseOK = Int32.TryParse(cboStudent.SelectedValue.ToString(), out intStuID);
if (parseOK)
{
CourseBusiness cb = new CourseBusiness();
List <CoursesTakenPreviously> cp = cb.GetCourseTakenPrev(intStuID);
dg1.DataSource = cp;
dg1.Refresh();
}
}
}
