private void addButton_Click(object sender, EventArgs e)
 {
     tCardCustomers lets_add_record = new tCardCustomers();
     lets_add_record.ShowDialog(this);
     if (lets_add_record.DialogResult == DialogResult.OK)
     {
         //dataGridView1.Rows.Clear();
         dataGridView1.Refresh();
         FillTable();
     }
 }
 private void editButton_Click(object sender, EventArgs e)
 {
     tCardCustomers lets_edit_this_record = new tCardCustomers(this, currentRow, currentID);
     lets_edit_this_record.Show(this);
     if (lets_edit_this_record.DialogResult == DialogResult.OK)
     {
         //dataGridView1.Rows.Clear();
         dataGridView1.Refresh();
         FillTable();
     }
 }