From a6adf26afbccb6908b077163e4344622e6b065c5 Mon Sep 17 00:00:00 2001
From: Shuduo Sang <sangshuduo@gmail.com>
Date: Mon, 10 Jul 2023 16:58:14 +0800
Subject: [PATCH] fix: add error reason to connect

---
 examples/C#/taosdemo/taosdemo.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/examples/C#/taosdemo/taosdemo.cs b/examples/C#/taosdemo/taosdemo.cs
index 1d7fd316f8..a48439d192 100644
--- a/examples/C#/taosdemo/taosdemo.cs
+++ b/examples/C#/taosdemo/taosdemo.cs
@@ -305,7 +305,7 @@ namespace TDengineDriver
             this.conn = TDengine.Connect(this.host, this.user, this.password, db, this.port);
             if (this.conn == IntPtr.Zero)
             {
-                Console.WriteLine("Connect to TDengine failed");
+                Console.WriteLine("Connect to TDengine failed. Reason: {0}\n", TDengine.Error(0));
                 CleanAndExitProgram(1);
             }
             else