void PopulateDateGridView()
{
dgvCustomer.AutoGenerateColumns = false;
using (EFDBEntities db = new EFDBEntities())
{
dgvCustomer.DataSource = db.Customers.ToList <Customer>();
}
}
private void dgvCustomer_CellDoubleClick(object sender, DataGridViewCellEventArgs e)
{
if (dgvCustomer.CurrentRow.Index != -1)
{
model.CustomerID = Convert.ToInt32(dgvCustomer.CurrentRow.Cells["CustomerID"].Value);
using (EFDBEntities db = new EFDBEntities())
{
model = db.Customers.Where(x => x.CustomerID == model.CustomerID).FirstOrDefault();
textBox1.Text = model.FirstName;
textBox2.Text = model.LastName;
textBox3.Text = model.City;
textBox4.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 ?", "EF CURD operation ", MessageBoxButtons.YesNo) == DialogResult.Yes)
{
;
}
using (EFDBEntities db = new EFDBEntities())
{
var entry = db.Entry(model);
if (entry.State == EntityState.Detached)
{
db.Customers.Attach(model);
}
db.Customers.Remove(model);
db.SaveChanges();
PopulateDateGridView();
Clear();
}
}
private void btnSave_Click(object sender, EventArgs e)
{
model.FirstName = textBox1.Text.Trim();
model.LastName = textBox2.Text.Trim();
model.City = textBox3.Text.Trim();
model.Address = textBox4.Text.Trim();
using (EFDBEntities db = new EFDBEntities())
{
if (model.CustomerID == 0) //insert
{
db.Customers.Add(model);
}
else //update
{
db.Entry(model).State = EntityState.Modified;
}
db.SaveChanges();
}
Clear();
PopulateDateGridView();
MessageBox.Show("Submitted successfully");
}
