private void btnapply_Click(object sender, EventArgs e)
        {
            try
            {
                //int counter=1;
                if (CBoxExpert.Text == "" || CBoxMobileManufacturer.Text == "" || CBoxMobileName.Text == "" || txtOwner.Text == "")
                {
                    MessageBox.Show("لطفا موارد خواسته شده را پر نمایید");
                }
                else
                {
                    var db = new linqDataContext();
                    //var gvObj = new MainFrm();
                    //while (db.ChechOrderId(counter) != null) { counter++; }
                    //while (gvObj.GVTable.Rows[3].Cells["OrederId"].Value!= null) { counter++; }
                    //store /
                    db.EditOrder(Convert.ToInt32(txtOrderId.Text),
                                 Convert.ToInt32(CBSrvMan.SelectedValue.ToString()),
                                 CHBox1.Checked,
                                 CHBox2.Checked,
                                 CHBox3.Checked,
                                 mtxtDate.Text,
                                 Convert.ToInt32(txtpayment.Text),
                                 txtexpr.Text,
                                 txtOwner.Text,
                                 txtPhoneNumber.Text,
                                 CBoxMobileManufacturer.Text,
                                 CBoxMobileName.Text);


                    this.Close();
                }
            }
            catch (System.Exception ex)
            {
                System.Windows.Forms.MessageBox.Show(ex.Message);
            }
        }