Пример #1
0
        private void btnAddStudentToGroup_Click(object sender, EventArgs e)
        {
            try
            {
                if (GroupsDataGridView.CurrentRow.IsNewRow)
                {
                    throw new Exception("You cannot add students to non-existant group!");
                }
                int rowIndex = GroupsDataGridView.SelectedCells[0].RowIndex;
                AddStudentToGroupDialog dialog = new AddStudentToGroupDialog(GroupsDataGridView["Grade", rowIndex].EditedFormattedValue.ToString());
                //dialog.Owner = this;
                dialog.FormClosed += (o, s) =>
                {
                    if (dialog.StudentID != 0)
                    {
                        //studentsDataGridView.Rows.Add(dialog.GradeSection, dialog.LastName, dialog.FirstName, dialog.StudentID);
                        //add new student
                        try
                        {
                            GroupDAL.AddStudentToGroup(
                                int.Parse(GroupsDataGridView["GroupID", rowIndex].Value.ToString()),
                                dialog.StudentID);

                            this.getGroupStudentsTableAdapter.Fill(this.schooljournalDataSet.getGroupStudents, int.Parse(GroupsDataGridView["GroupID", rowIndex].Value.ToString()));
                        }
                        catch (Exception ex)
                        {
                            MessageBox.Show(ex.Message, "Error!", MessageBoxButtons.OK, MessageBoxIcon.Error);
                        }
                        finally
                        {
                        }
                    }
                };
                dialog.ShowDialog();
            }
            catch (Exception ex)
            {
                string msg = ex.Message;
                if (ex.InnerException != null)
                {
                    msg += "\n" + ex.InnerException.Message;
                }
                MessageBox.Show(msg, "Error!", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }