private void btnRemoveReligionDates_Click(object sender, EventArgs e)
{
try
{
RELIGIONID = _context.Religions.Where(j => j.Name == cbxReligionName.Text).Select(s => s.ReligionID).First();
if (_context.ReligionHolidays.Where(j => (j.ReligionID == RELIGIONID) && j.ReligionHolidaysDate == dateTimePicker1.Value.Date).Select(s => s.ReligionHolidaysDate).Count() != 0)
{
if (MessageBox.Show("Do you really want to delete this date?", "Delete",
MessageBoxButtons.YesNo, MessageBoxIcon.Warning) == DialogResult.Yes)
{
RELIGIONHOLIDAYSID = _context.ReligionHolidays.Where(j => (j.ReligionID == RELIGIONID) && j.ReligionHolidaysDate == dateTimePicker1.Value.Date).Select(s => s.ReligionHolidaysID).First();
System.Data.EntityKey religionKey = new System.Data.EntityKey("MojaEntities.ReligionHolidays", "ReligionHolidaysID", RELIGIONHOLIDAYSID);
var religionHolidayDelete = _context.GetObjectByKey(religionKey);
_context.DeleteObject(religionHolidayDelete);
_context.SaveChanges();
MessageBox.Show("You have successfully deleted religion from database.", "Successful", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
TOTALRELIGIONDAYS = _context.Religions.Where(w => w.Name == cbxReligionName.Text).Select(s => s.TotalReligiousDays).First();
TOTALRELIGIONDAYS -= 1;
var Religion = _context.Religions.First(k => k.ReligionID == RELIGIONID);
Religion.TotalReligiousDays = TOTALRELIGIONDAYS;
txtTotalReligionDays.Text = "" + TOTALRELIGIONDAYS.ToString();
_context.SaveChanges();
RefreshDates();
}
}
}
catch
{
MessageBox.Show("Delete operation was not successful. Please, contact your administrator.", "Error",
MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void RefreshDates()
{
RELIGIONID = _context.Religions.Where(w => w.Name == cbxReligionName.Text).Select(s => s.ReligionID).First();
ListaRELIGIONHOLIDAY = _context.ReligionHolidays.Where(j => j.ReligionID == RELIGIONID).ToList();
dgReligionHolidays.DataSource = ListaRELIGIONHOLIDAY;
TOTALRELIGIONDAYS = _context.Religions.Where(w => w.Name == cbxReligionName.Text).Select(s => s.TotalReligiousDays).First();
txtTotalReligionDays.Text = "" + TOTALRELIGIONDAYS.ToString();
}