From 7c0383fa9f173c2a71953c8ab679e4e4722810f2 Mon Sep 17 00:00:00 2001
From: Le Chau <chaulh@beetinnovators.com>
Date: Thu, 25 Jun 2020 11:16:24 +0700
Subject: [PATCH] =?UTF-8?q?Check=20null=20trong=20tr=C6=B0=E1=BB=9Dng=20h?=
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 =?UTF-8?q?=E1=BB=81=20"0"=20v=E1=BB=9Bi=20{TotalIn}=20v=C3=A0=20{TotalOut?=
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---
 AIParkingApplication/Statistic.cs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/AIParkingApplication/Statistic.cs b/AIParkingApplication/Statistic.cs
index 493b0ba..1b58d7b 100644
--- a/AIParkingApplication/Statistic.cs
+++ b/AIParkingApplication/Statistic.cs
@@ -58,10 +58,18 @@ namespace AIParkingApplication
                 }));
                 lblVehicleTotalIn.Invoke(new Action(() =>
                 {
+                    if (string.IsNullOrEmpty(parkInfo.TotalIn))
+                    {
+                        parkInfo.TotalIn = "0";
+                    }
                     lblVehicleTotalIn.Text = parkInfo.TotalIn;
                 }));
                 lblVehicleTotalOut.Invoke(new Action(() =>
                 {
+                    if (string.IsNullOrEmpty(parkInfo.TotalOut))
+                    {
+                        parkInfo.TotalOut = "0";
+                    }
                     lblVehicleTotalOut.Text = parkInfo.TotalOut;
                 }));