private void filltable()
{
DataTable StudentMark = new DataTable();
DataColumn idStudent = new DataColumn("id", Type.GetType("System.Int32"));
DataColumn FIOstudent = new DataColumn("Фамилия Имя", Type.GetType("System.String"));
DataColumn idMark = new DataColumn("idMark", Type.GetType("System.Int32"));
DataColumn Mark = new DataColumn("Оценка", Type.GetType("System.String"));
StudentMark.Columns.Add(idStudent);
StudentMark.Columns.Add(FIOstudent);
StudentMark.Columns.Add(idMark);
StudentMark.Columns.Add(Mark);
List <Student> stud = DBobjects.Entities.Student.Where(p => p.idGroup == idGroup).ToList();
foreach (Student st in stud)
{
if (DBobjects.Entities.ListMarkStud.Where(p => p.idStudent == st.idStudent && p.idFinalGrade == finalGrade.idFinalGrade).Count() > 0)
{
ListMarkStud listMarkStud = DBobjects.Entities.ListMarkStud.FirstOrDefault(p => p.idStudent == st.idStudent && p.idFinalGrade == finalGrade.idFinalGrade);
StudentMark.Rows.Add(st.idStudent, st, listMarkStud.idListMarkStudent, listMarkStud.grade);
}
else
{
StudentMark.Rows.Add(st.idStudent, st, 0, "");
}
}
dataGridViewMark.DataSource = StudentMark;
dataGridViewMark.Columns[0].Visible = false;
dataGridViewMark.Columns[2].Visible = false;
dataGridViewMark.Columns[1].ReadOnly = true;
}
private void saveMark()
{
foreach (DataGridViewRow dgvr in dataGridViewMark.Rows)
{
if (Convert.ToInt32(dgvr.Cells[2].Value) == 0)
{
listMarkStud = new ListMarkStud();
}
else
{
int id = Convert.ToInt32(dgvr.Cells[2].Value);
listMarkStud = DBobjects.Entities.ListMarkStud.FirstOrDefault(p => p.idListMarkStudent == id);
}
listMarkStud.grade = dgvr.Cells[3].Value.ToString();
listMarkStud.idStudent = Convert.ToInt32(dgvr.Cells[0].Value);
listMarkStud.idFinalGrade = finalGrade.idFinalGrade;
if (DBobjects.Entities.ListMarkStud.Where(p => p.idListMarkStudent == listMarkStud.idListMarkStudent).Count() == 0)
{
DBobjects.Entities.ListMarkStud.Add(listMarkStud);
}
DBobjects.Entities.SaveChanges();
fillDiscKontrol();
}
}