private void btnAdd_Click(object sender, EventArgs e)
{
if(validFields())
{
if (txtID.Text.Length > 0) //Alter
{
try
{
using (context = new Teste_OnibusContext())
{
var id = int.Parse(txtID.Text);
STATION station = context.STATIONS.FirstOrDefault(x => x.Station_ID == id);
station.Station_Description = txtDescription.Text;
context.SaveChanges();
if (loadGridViewData(context))
{
lblMessage.Text = "Updated successfully!";
lblMessage.ForeColor = Color.Green;
enableFields(false);
}
}
}
catch (Exception ex)
{
Methods.DisplayMessage(lblMessage, "It was not possible to update the data", Color.Red);
}
}
//else // Add
//{
// STATION station = new STATION();
// station = txtDescription.Text;
// using (context = new Teste_OnibusContext())
// {
// context.STATION.Add(station);
// context.SaveChanges();
// if (loadGridViewData(context))
// {
// lblMessage.Text = "Add successfully!";
// lblMessage.ForeColor = Color.Green;
// enableFields(false);
// }
// }
//}
}
else
{
Methods.DisplayMessage(lblMessage, "Check the input data", Color.Red);
}
resetFields();
}
private void btnAdd_Click(object sender, EventArgs e)
{
if (validFields())
{
if (txtID.Text.Length > 0) //Alter
{
try
{
using (context = new Teste_OnibusContext())
{
var id = int.Parse(txtID.Text);
LANDMARK_KNOWN_AS landmark = context.LANDMARK_KNOWN_AS.FirstOrDefault(x => x.Known_As_ID == id);
landmark.Known_As_Description = txtKnown.Text;
context.SaveChanges();
if (loadGridViewData(context))
{
lblMessage.Text = "Updated successfully!";
lblMessage.ForeColor = Color.Green;
enableFields(false);
}
}
}
catch (Exception ex)
{
Methods.DisplayMessage(lblMessage, "It was not possible to update the data", Color.Red);
}
}
}
else
{
Methods.DisplayMessage(lblMessage, "Check the input data", Color.Red);
}
resetFields();
}
private void btnAdd_Click(object sender, EventArgs e)
{
if (validFields())
{
if (txtID.Text.Length > 0) //Alter
{
try
{
using (context = new Teste_OnibusContext())
{
var id = int.Parse(txtID.Text);
BUS bus = context.BUS.FirstOrDefault(x => x.Bus_ID == id);
bus.Bus_Description = txtDescription.Text;
bus.Bus_Provider = txtProvider.Text;
bus.Bus_Color = txtColor.Text;
context.SaveChanges();
if (loadGridViewData(context))
{
lblMessage.Text = "Updated successfully!";
lblMessage.ForeColor = Color.Green;
enableFields(false);
}
}
}
catch (Exception ex)
{
Methods.DisplayMessage(lblMessage, "It was not possible to update the data", Color.Red);
}
}
else // Add
{
BUS bus = new BUS();
bus.Bus_Description = txtDescription.Text;
bus.Bus_Provider = txtProvider.Text;
bus.Bus_Color = txtColor.Text;
using (context = new Teste_OnibusContext())
{
context.BUS.Add(bus);
context.SaveChanges();
if (loadGridViewData(context))
{
lblMessage.Text = "Add successfully!";
lblMessage.ForeColor = Color.Green;
enableFields(false);
}
}
}
}
else
{
Methods.DisplayMessage(lblMessage, "Check the input data", Color.Red);
}
resetFields();
}
private void dgvBus_UserDeletingRow(object sender, DataGridViewRowCancelEventArgs e)
{
lblMessage.Text = string.Empty;
if (MessageBox.Show("When performing this operation, the route of this bus will also be deleted. Are you sure you want to continue?", "Confirmation", MessageBoxButtons.OKCancel) == System.Windows.Forms.DialogResult.OK)
{
try
{
using (context = new Teste_OnibusContext())
{
var id = int.Parse(e.Row.Cells["ID"].Value.ToString());
BUS bus = context.BUS.FirstOrDefault(x => x.Bus_ID == id);
ROUTE route = context.ROUTEs.FirstOrDefault(x => x.Bus_ID == id);
List<STATION_BUSES> station_bus = context.STATION_BUSES.Where(x => x.Buses_FK == id).ToList();
foreach (var item in station_bus)
{
context.STATION_BUSES.Remove(item);
}
context.ROUTEs.Remove(route);
context.BUS.Remove(bus);
context.SaveChanges();
}
Methods.DisplayMessage(lblMessage, "Deleted successfully!", Color.Green);
}
catch (Exception ex)
{
Methods.DisplayMessage(lblMessage, "Error while deleting", Color.Red);
}
enableFields(false);
}
else
e.Cancel = true;
}
private void dgvReferences_UserDeletingRow(object sender, DataGridViewRowCancelEventArgs e)
{
lblMessage.Text = string.Empty;
if (MessageBox.Show("When performing this operation, all related landmarks will also be deleted. Are you sure you want to continue?", "Confirmation", MessageBoxButtons.OKCancel) == System.Windows.Forms.DialogResult.OK)
{
try
{
using (context = new Teste_OnibusContext())
{
var id = int.Parse(e.Row.Cells["Known_As_ID"].Value.ToString());
LANDMARK_KNOWN_AS landmark = context.LANDMARK_KNOWN_AS.FirstOrDefault(x => x.Known_As_ID == id);
var parentLandmark = landmark.LANDMARK;
var relatedLandmarks = parentLandmark.LANDMARK_KNOWN_AS.ToList();
foreach (var item in relatedLandmarks)
{
context.LANDMARK_KNOWN_AS.Remove(item);
}
context.LANDMARK_KNOWN_AS.Remove(landmark);
context.LANDMARKs.Remove(parentLandmark);
context.SaveChanges();
if (loadGridViewData(context))
{
Methods.DisplayMessage(lblMessage, "Deleted successfully!", Color.Green);
}
}
}
catch (Exception ex)
{
Methods.DisplayMessage(lblMessage, "Error while deleting", Color.Red);
}
enableFields(false);
}
else
e.Cancel = true;
}
