private void buttonEneter_Click(object sender, EventArgs e)
{
try
{
bool dataread = false;
foreach (workload_of_teachersDataSet.SpecialnostRow specialnost in workload_of_teachersDataSet.Specialnost)
{
if (DataRowState.Added == specialnost.RowState)
{
specialnostTableAdapter.Insert(specialnost.Nazvanie, specialnost.NazvaniePolnoe, specialnost.Code);
dataread = true;
}
if (DataRowState.Modified == specialnost.RowState)
{
specialnostTableAdapter.Update(specialnost.Nazvanie, specialnost.NazvaniePolnoe, specialnost.Code,
(int)specialnost["IdSpecialnost", DataRowVersion.Original], (string)specialnost["Nazvanie", DataRowVersion.Original], (string)specialnost["NazvaniePolnoe", DataRowVersion.Original], (string)specialnost["Code", DataRowVersion.Original]);
dataread = true;
}
if (DataRowState.Deleted == specialnost.RowState)
{
//=================== [ Каскадное удаление ] =================
int idspecialnost = (int)specialnost["IdSpecialnost", DataRowVersion.Original];
string specialnostnazvanie = (string)specialnost["Nazvanie", DataRowVersion.Original];
//Predmet
workload_of_teachersDataSetTableAdapters.PredmetTableAdapter predmettableadapter = new workload_of_teachersDataSetTableAdapters.PredmetTableAdapter();
workload_of_teachersDataSetTableAdapters.Predmet_CourseTableAdapter predmet_coursetableadapter = new workload_of_teachersDataSetTableAdapters.Predmet_CourseTableAdapter();
workload_of_teachersDataSetTableAdapters.Predmet_SemesterTableAdapter predmet_semestertableadapter = new workload_of_teachersDataSetTableAdapters.Predmet_SemesterTableAdapter();
predmettableadapter.FillByCascading(workload_of_teachersDataSet.Predmet, idspecialnost, -1);
foreach (workload_of_teachersDataSet.PredmetRow predmet in workload_of_teachersDataSet.Predmet)
{
workload_of_teachersDataSet workload_Of_TeachersDataSetTemp = new workload_of_teachersDataSet();
predmet_coursetableadapter.FillByIDPredmet(workload_Of_TeachersDataSetTemp.Predmet_Course, predmet.IdPredmet);
workload_of_teachersDataSet.Predmet_Course.Merge(workload_Of_TeachersDataSetTemp.Predmet_Course);
}
//Practice
workload_of_teachersDataSetTableAdapters.PracticeTableAdapter practicetableadapter = new workload_of_teachersDataSetTableAdapters.PracticeTableAdapter();
workload_of_teachersDataSetTableAdapters.Practice_SemesterTableAdapter practice_semestertableadapter = new workload_of_teachersDataSetTableAdapters.Practice_SemesterTableAdapter();
practicetableadapter.FillByCascading(workload_of_teachersDataSet.Practice, idspecialnost, -1, -1, -1);
//Gryppa
workload_of_teachersDataSetTableAdapters.GryppaTableAdapter gryppatableadapter = new workload_of_teachersDataSetTableAdapters.GryppaTableAdapter();
gryppatableadapter.FillByCascading(workload_of_teachersDataSet.Gryppa, idspecialnost, -1, -1, -1);
if (workload_of_teachersDataSet.Predmet.Count > 0 || workload_of_teachersDataSet.Practice.Count > 0 || workload_of_teachersDataSet.Gryppa.Count > 0)
{
workload_of_teachersDataSetTableAdapters.Load_PrepodTableAdapter load_prepodtableadapter = new workload_of_teachersDataSetTableAdapters.Load_PrepodTableAdapter();
foreach (workload_of_teachersDataSet.Predmet_CourseRow predmet_course in workload_of_teachersDataSet.Predmet_Course)
{
workload_of_teachersDataSet workload_Of_TeachersDataSetTemp = new workload_of_teachersDataSet();
load_prepodtableadapter.FillByCascading(workload_Of_TeachersDataSetTemp.Load_Prepod, -1, predmet_course.IdPredmet_Course, -1);
workload_of_teachersDataSet.Load_Prepod.Merge(workload_Of_TeachersDataSetTemp.Load_Prepod);
}
foreach (workload_of_teachersDataSet.PracticeRow practice in workload_of_teachersDataSet.Practice)
{
workload_of_teachersDataSet workload_Of_TeachersDataSetTemp = new workload_of_teachersDataSet();
load_prepodtableadapter.FillByCascading(workload_Of_TeachersDataSetTemp.Load_Prepod, -1, -1, practice.IdPractice);
workload_of_teachersDataSet.Load_Prepod.Merge(workload_Of_TeachersDataSetTemp.Load_Prepod);
}
foreach (workload_of_teachersDataSet.GryppaRow gryppa in workload_of_teachersDataSet.Gryppa)
{
workload_of_teachersDataSet workload_Of_TeachersDataSetTemp = new workload_of_teachersDataSet();
load_prepodtableadapter.FillByCascading(workload_Of_TeachersDataSetTemp.Load_Prepod, gryppa.IdGryppa, -1, -1);
workload_of_teachersDataSet.Load_Prepod.Merge(workload_Of_TeachersDataSetTemp.Load_Prepod);
}
FormDialog form = new FormDialog("Каскадное удаление специальности", String.Format("Удаление специальности {0} приведёт к удалению {1} предметов(а), {2} практик(и) и {3} групп(ы) принадлежащей этой специальности. Также будут удалены {4} педагогических(ая) нагрузок(а) преподавателей(я).",
specialnostnazvanie, workload_of_teachersDataSet.Predmet.Count, workload_of_teachersDataSet.Practice.Count, workload_of_teachersDataSet.Gryppa.Count, workload_of_teachersDataSet.Load_Prepod.Count), 5);
if (form.ShowDialog() == DialogResult.OK)
{
//Load_Prepod Delete
foreach (workload_of_teachersDataSet.Load_PrepodRow load_prepod in workload_of_teachersDataSet.Load_Prepod)
{
load_prepodtableadapter.DeleteQuery(load_prepod.IdLoad_Prepod);
}
//Predmet Delete
foreach (workload_of_teachersDataSet.PredmetRow predmet in workload_of_teachersDataSet.Predmet)
{
predmet_semestertableadapter.DeleteQueryPredmet(predmet.IdPredmet);
predmet_coursetableadapter.DeleteQueryPredmet(predmet.IdPredmet);
predmettableadapter.DeleteQuery(predmet.IdPredmet);
}
//Practice Delete
foreach (workload_of_teachersDataSet.PracticeRow practice in workload_of_teachersDataSet.Practice)
{
practice_semestertableadapter.DeleteQueryPractice(practice.IdPractice);
practicetableadapter.DeleteQuery(practice.IdPractice);
}
//Gryppa Delete
foreach (workload_of_teachersDataSet.GryppaRow gryppa in workload_of_teachersDataSet.Gryppa)
{
gryppatableadapter.DeleteQuery(gryppa.IdGryppa);
}
specialnostTableAdapter.Delete((int)specialnost["IdSpecialnost", DataRowVersion.Original], (string)specialnost["Nazvanie", DataRowVersion.Original], (string)specialnost["NazvaniePolnoe", DataRowVersion.Original], (string)specialnost["Code", DataRowVersion.Original]);
dataread = true;
}
}
else
{
specialnostTableAdapter.Delete((int)specialnost["IdSpecialnost", DataRowVersion.Original], (string)specialnost["Nazvanie", DataRowVersion.Original], (string)specialnost["NazvaniePolnoe", DataRowVersion.Original], (string)specialnost["Code", DataRowVersion.Original]);
dataread = true;
}
}
}
if (dataread == true)
{
this.DialogResult = DialogResult.OK; //Есть изменения
}
else
{
this.DialogResult = DialogResult.Ignore; //Нету изменений
}
this.Close();
//specialnostTableAdapter.Update(this.workload_of_teachersDataSet.Specialnost);
}
catch (Exception error)
{
MessageBox.Show("Сообщение об ошибке: " + error.Message + "\nПроверьте корректность вводимых данных, а также наличие соединения с базой данных. Если ошибка продолжает появляться обратитесь к системному администратору или к разработчику данной программы.", "Ошибка при сохранении данных", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void buttonEneter_Click(object sender, EventArgs e)
{
try
{
bool dataread = false;
foreach (workload_of_teachersDataSet.VidGryppaRow vidgryppa in workload_of_teachersDataSet.VidGryppa)
{
if (DataRowState.Added == vidgryppa.RowState)
{
vidGryppaTableAdapter.Insert(vidgryppa.Nazvanie);
dataread = true;
}
if (DataRowState.Modified == vidgryppa.RowState)
{
vidGryppaTableAdapter.Update(vidgryppa.Nazvanie,
(int)vidgryppa["IdVidGryppa", DataRowVersion.Original], (string)vidgryppa["Nazvanie", DataRowVersion.Original]);
dataread = true;
}
if (DataRowState.Deleted == vidgryppa.RowState)
{
//=================== [ Каскадное удаление ] =================
int idvidgryppa = (int)vidgryppa["IdVidGryppa", DataRowVersion.Original];
string vidgryppanazvanie = (string)vidgryppa["Nazvanie", DataRowVersion.Original];
//Gryppa
workload_of_teachersDataSetTableAdapters.GryppaTableAdapter gryppatableadapter = new workload_of_teachersDataSetTableAdapters.GryppaTableAdapter();
gryppatableadapter.FillByCascading(workload_of_teachersDataSet.Gryppa, -1, idvidgryppa, -1, -1);
if (workload_of_teachersDataSet.Predmet.Count > 0 || workload_of_teachersDataSet.Practice.Count > 0 || workload_of_teachersDataSet.Gryppa.Count > 0)
{
workload_of_teachersDataSetTableAdapters.Load_PrepodTableAdapter load_prepodtableadapter = new workload_of_teachersDataSetTableAdapters.Load_PrepodTableAdapter();
foreach (workload_of_teachersDataSet.GryppaRow gryppa in workload_of_teachersDataSet.Gryppa)
{
workload_of_teachersDataSet workload_Of_TeachersDataSetTemp = new workload_of_teachersDataSet();
load_prepodtableadapter.FillByCascading(workload_Of_TeachersDataSetTemp.Load_Prepod, gryppa.IdGryppa, -1, -1);
workload_of_teachersDataSet.Load_Prepod.Merge(workload_Of_TeachersDataSetTemp.Load_Prepod);
}
FormDialog form = new FormDialog("Каскадное удаление вида групп", String.Format("Удаление вида групп {0} приведёт к удалению {1} групп(ы) принадлежащих этому виду групп. Также будут удалены {2} педагогических(ая) нагрузок(а) преподавателей(я).",
vidgryppanazvanie, workload_of_teachersDataSet.Gryppa.Count, workload_of_teachersDataSet.Load_Prepod.Count), 5);
if (form.ShowDialog() == DialogResult.OK)
{
//Load_Prepod Delete
foreach (workload_of_teachersDataSet.Load_PrepodRow load_prepod in workload_of_teachersDataSet.Load_Prepod)
{
load_prepodtableadapter.DeleteQuery(load_prepod.IdLoad_Prepod);
}
//Gryppa Delete
foreach (workload_of_teachersDataSet.GryppaRow gryppa in workload_of_teachersDataSet.Gryppa)
{
gryppatableadapter.DeleteQuery(gryppa.IdGryppa);
}
vidGryppaTableAdapter.Delete((int)vidgryppa["IdVidGryppa", DataRowVersion.Original], (string)vidgryppa["Nazvanie", DataRowVersion.Original]);
dataread = true;
}
}
else
{
vidGryppaTableAdapter.Delete((int)vidgryppa["IdVidGryppa", DataRowVersion.Original], (string)vidgryppa["Nazvanie", DataRowVersion.Original]);
dataread = true;
}
}
}
if (dataread == true)
{
this.DialogResult = DialogResult.OK; //Есть изменения
}
else
{
this.DialogResult = DialogResult.Ignore; //Нету изменений
}
this.Close();
//vidGryppaTableAdapter.Update(this.workload_of_teachersDataSet.VidGryppa);
}
catch (Exception error)
{
MessageBox.Show("Сообщение об ошибке: " + error.Message + "\nПроверьте корректность вводимых данных, а также наличие соединения с базой данных. Если ошибка продолжает появляться обратитесь к системному администратору или к разработчику данной программы.", "Ошибка при сохранении данных", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
