private void AddStudent_submitBtn_Click(object sender, EventArgs e)
{
AddStudent_warningLbl.Visible = false;
if (AddStudent_stdID_TextBox.Text != "")
{
//"-2" means "wrong idStudent", "-3" means "idStudent = idTA", "-4" means "student_class relation already exists and not deleted", "-1" means "general error" and "1" means "done"
classBase tempbase = new classBase();
int result = thisPractisClass.AddStudentToClass(AddStudent_stdID_TextBox.Text);
switch (result)
{
case 1:
selectedClassStudents = thisPractisClass.GetClassStudentList();
//show the students in it's GridView
dataGridView_StudentList.Rows.Clear();
if (selectedClassStudents.Count != 0)
{
dataGridView_StudentList.RowCount = selectedClassStudents.Count;
for (int i = 0; i < selectedClassStudents.Count; i++)
{
dataGridView_StudentList.Rows[i].Cells["StudentID"].Value = selectedClassStudents[i].id;
dataGridView_StudentList.Rows[i].Cells["StudentName"].Value = selectedClassStudents[i].fullName;
}
}
AddStudent_stdID_TextBox.Text = "";
break;
case -2:
AddStudent_warningLbl.Text = "wrong idStudent";
AddStudent_warningLbl.Visible = true;
break;
case -3:
AddStudent_warningLbl.Text = "idStudent = idTA";
AddStudent_warningLbl.Visible = true;
break;
case -4:
AddStudent_warningLbl.Text = "student_class relation already exists and not deleted";
AddStudent_warningLbl.Visible = true;
break;
case -1:
AddStudent_warningLbl.Text = "general error";
AddStudent_warningLbl.Visible = true;
break;
}
}
else
{
AddStudent_warningLbl.Text = "Required Input";
AddStudent_warningLbl.Visible = true;
}
}
private void goto_Student_Btn_Click(object sender, EventArgs e)
{
{
//rename the title's of practice class page
Tab7_nameCourseLable.Text = onGoingClassesList[rowIndexTab1].nameCourse;
Tab7_ProfessorLable.Text = onGoingClassesList[rowIndexTab1].fullNameProfessor;
Tab7_TALable.Text = onGoingClassesList[rowIndexTab1].fullNameTA;
//make a list from practice that TA or professor uploaded
database_practiceclass db = new database_practiceclass();
thisPractisClass = new classPracticeClass(onGoingClassesList[rowIndexTab1].term,
onGoingClassesList[rowIndexTab1].year, onGoingClassesList[rowIndexTab1].groupNumber);
selectedClassStudents = new List <ShowStudent>();
selectedClassStudents = thisPractisClass.GetClassStudentList();
//------------------------------------------------------------------------------------------------------------------------
//show the students in it's GridView
dataGridView_StudentList.Rows.Clear();
if (selectedClassStudents.Count != 0)
{
dataGridView_StudentList.RowCount = selectedClassStudents.Count;
for (int i = 0; i < selectedClassStudents.Count; i++)
{
dataGridView_StudentList.Rows[i].Cells["StudentID"].Value = selectedClassStudents[i].id;
dataGridView_StudentList.Rows[i].Cells["StudentName"].Value = selectedClassStudents[i].fullName;
}
}
//go to practice class page
tabControl1.SelectTab(tabPage7);
iconHome.Visible = true;
}
}