void populateDataGridView()
{
dataCustomer.AutoGenerateColumns = false;
using (CrudDBEntities db = new CrudDBEntities())
{
dataCustomer.DataSource = db.Customers.ToList <Customer>();
}
}
private void dataCustomer_MouseDoubleClick(object sender, MouseEventArgs e)
{
if (dataCustomer.CurrentRow.Index != -1)
{
model.CustomerID = Convert.ToInt32(dataCustomer.CurrentRow.Cells["CustomerID"].Value);
using (CrudDBEntities db = new CrudDBEntities())
{
model = db.Customers.Where(x => x.CustomerID == model.CustomerID).FirstOrDefault();
txtFirstname.Text = model.FirstName;
txtLastname.Text = model.Lastname;
txtCity.Text = model.City;
txtAddress.Text = model.Address;
}
btnSave.Text = "Update";
btnDelete.Enabled = true;
}
}
private void btnDelete_Click(object sender, EventArgs e)
{
if (MessageBox.Show("Are you Sure to Delete this Record ?", "CRUD Operation", MessageBoxButtons.YesNo) == DialogResult.Yes)
{
using (CrudDBEntities db = new CrudDBEntities())
{
var entry = db.Entry(model);
if (entry.State == EntityState.Detached)
{
db.Customers.Attach(model);
}
db.Customers.Remove(model);
db.SaveChanges();
populateDataGridView();
Clear();
MessageBox.Show("Deleted Successfully");
}
}
}
private void btnSave_Click(object sender, EventArgs e)
{
model.FirstName = txtFirstname.Text.Trim();
model.Lastname = txtLastname.Text.Trim();
model.City = txtCity.Text.Trim();
model.Address = txtAddress.Text.Trim();
using (CrudDBEntities db = new CrudDBEntities())
{
if (model.CustomerID == 0)//Insert
{
db.Customers.Add(model);
}
else //Update
{
db.Entry(model).State = EntityState.Modified;
}
db.SaveChanges();
}
Clear();
populateDataGridView();
MessageBox.Show("Submitted Successfully");
}
