private void BTN_SAVE_Click(object sender, EventArgs e)
 {
     if (TXT_SV_NAME.Text == string.Empty)
     {
         TXT_SV_NAME.Focus();
         MSGBOX mdg = new MSGBOX(MessageAlertHeder.Warning(), "PLEASE ENTER SERVICE NAME", MessageAlertImage.Warning());
         mdg.ShowDialog();
     }
     else
     {
         if (BTN_SAVE.Text == "SAVE")
         {
             string result = SAVE_SERVICE();
             if (result == "done")
             {
                 MSGBOX mdg = new MSGBOX(MessageAlertHeder.Success(), "ADDITIONAL SERVICE ADDED SUCCESSFULLY!", MessageAlertImage.Success());
                 mdg.ShowDialog();
                 DisableControls();
             }
         }
         else if (BTN_SAVE.Text == "UPDATE")
         {
             string result = UPDATE_SERVICE_DETAILS();
             if (result == "done")
             {
                 MSGBOX mdg = new MSGBOX(MessageAlertHeder.Success(), "SERVICE DETAILS UPDATED SUCCESSFULLY!", MessageAlertImage.Success());
                 mdg.ShowDialog();
             }
         }
         LOAD_SERVICE_lIST();
     }
 }
 private void Clear()
 {
     LBL_SV_ID.Text = "N/A";
     TXT_SV_NAME.Clear();
     TXT_DESCRIPTION.Clear();
     TXT_SV_PRICE.Text = "0.00";
     BTN_SAVE.Text     = "SAVE";
     TXT_SV_NAME.Focus();
 }