void obj_onDataSaved(object Sender, DataSaveargs e)
        {
            var           i             = (customer)e.data;
            CustomerViwer customerviwer = new CustomerViwer(i);

            listView1.Items.Add(customerviwer);
        }
 private void textBox1_KeyDown(object sender, KeyEventArgs e)
 {
     if (e.KeyData == Keys.Enter)
     {
         count = 0;
         listView1.Items.Clear();
         if (textBox1.Text.Trim() == "")
         {
             notificationMAnager1.show("Please Enter Customer name to search", 1000);
             return;
         }
         using (var db = new HamroSuperMarketEntities())
         {
             var customers = db.customers.Where(o => o.name.Contains(textBox1.Text) || o.phone == textBox1.Text.Trim()).ToList();
             if (customers.Count == 0)
             {
                 notificationMAnager1.show("No Customers Found", 1000);
                 return;
             }
             foreach (customer c in customers)
             {
                 CustomerViwer customerviwer = new CustomerViwer(c);
                 listView1.Items.Add(customerviwer);
             }
         }
     }
 }
 private void customers_form_Load(object sender, EventArgs e)
 {
     foreach (customer n in db.customers.ToList())
     {
         CustomerViwer customerviwer = new CustomerViwer(n);
         listView1.Items.Add(customerviwer);
     }
 }
 private void materialButton2_Click(object sender, EventArgs e)
 {
     using (var db = new HamroSuperMarketEntities())
     {
         foreach (customer c in db.customers.ToList())
         {
             CustomerViwer customerviwer = new CustomerViwer(c);
             listView1.Items.Add(customerviwer);
         }
     }
 }
        private void textBox1_TextChanged(object sender, EventArgs e)
        {
            listView1.Items.Clear();

            using (var db = new HamroSuperMarketEntities())
            {
                var customers = db.customers.Where(o => o.name.Contains(textBox1.Text) || o.phone == textBox1.Text.Trim()).ToList();

                foreach (customer c in customers)
                {
                    CustomerViwer customerviwer = new CustomerViwer(c);
                    listView1.Items.Add(customerviwer);
                }
            }
        }