private void btnDelete_Click(object sender, EventArgs e)
{
if (dgvManageBikes.SelectedRows.Count <= 0)
{
MessageBox.Show("Please Select at least one row for deleteing action!!", "Delete Action", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
foreach (DataGridViewRow row in dgvManageBikes.SelectedRows)
{
StringBuilder bikeTempInfo = new StringBuilder();
foreach (DataGridViewCell c in row.Cells)
{
bikeTempInfo.Append(c.Value).Append(", ");
}
DialogResult result = MessageBox.Show("This Bike will be deleted!!!\n" + bikeTempInfo.ToString(), "Confirmation", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Warning);
if (DialogResult.Yes == result)
{
//delete
using (KiwiBike4RentEntities kiwi = new KiwiBike4RentEntities())
{
Int32.TryParse(row.Cells[0].Value.ToString(), out int bikeID);
BIKE bike = new BIKE {
BikeID = bikeID
};
kiwi.BIKEs.Attach(bike);
kiwi.BIKEs.Remove(bike);
kiwi.SaveChanges();
}
continue;
}
if (DialogResult.No == result)
{
continue;
}
if (DialogResult.Cancel == result)
{
break;
}
}
FreshBikes();
}
private void btnSave_Click(object sender, EventArgs e)
{
// data check
string modelText = listModels.GetItemText(listModels.SelectedItem);
if (string.IsNullOrEmpty(modelText))
{
MessageBox.Show("Bike model can not be empty!", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
listModels.Focus();
return;
}
if (string.IsNullOrEmpty(lboxStatus.Text))
{
MessageBox.Show("Status can not be empty!", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
lboxStatus.Focus();
return;
}
if (!Constants.status.Contains(lboxStatus.Text))
{
MessageBox.Show("Please choose a status in existed list!", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
lboxStatus.Focus();
return;
}
if (string.IsNullOrEmpty(dtpManufactured.Text))
{
MessageBox.Show("Manufactory Time can not be empty!", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
dtpManufactured.Focus();
return;
}
if (string.IsNullOrEmpty(txtLifeTime.Text))
{
MessageBox.Show("Life Time can not be empty!", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
txtLifeTime.Focus();
return;
}
if (string.IsNullOrEmpty(txtRentalPrice.Text))
{
MessageBox.Show("Rental Price can not be empty!", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
txtRentalPrice.Focus();
return;
}
if (string.IsNullOrEmpty(lboxAccessories.Text))
{
MessageBox.Show("Accessory can not be empty!", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
lboxAccessories.Focus();
return;
}
if (!Constants.asscessories.Contains(lboxAccessories.Text))
{
MessageBox.Show("Please choose a asscessory in existed list!", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
lboxAccessories.Focus();
return;
}
//insert data
BIKE bike = new BIKE();
int modelID = 0;
Int32.TryParse(modelText.Split(',')[0].Split(':')[1], out modelID);
bike.Model = modelID;
int lifeTime = 0;
Int32.TryParse(txtLifeTime.Text, out lifeTime);
if (lifeTime <= 0)
{
MessageBox.Show("life time has to be a number and bigger than 0!", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
txtLifeTime.Focus();
return;
}
bike.LifeTime = lifeTime;
int my = 0;
Int32.TryParse(dtpManufactured.Text, out my);
if (my <= 0 || my < 1960)
{
MessageBox.Show("Manufactured Year can not less than 1960", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
dtpManufactured.Focus();
return;
}
bike.ManufacturedYear = new DateTime(my, 1, 1);
int rentalPrice = 0;
Int32.TryParse(txtRentalPrice.Text, out rentalPrice);
if (rentalPrice <= 0)
{
MessageBox.Show("Rental Price has to be a number and > 0 ", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
txtRentalPrice.Focus();
return;
}
bike.RentalPrice = rentalPrice;
bike.Status = lboxStatus.Text;
bike.Accessories = lboxAccessories.Text;
using (KiwiBike4RentEntities kiwi = new KiwiBike4RentEntities())
{
kiwi.BIKEs.Add(bike);
kiwi.SaveChanges();
}
MessageBox.Show("Bike Added!", "Bike", MessageBoxButtons.OK, MessageBoxIcon.Information);
this.Close();
}