Accessing MySQL database using c# on unity?

Question

I have just started using C# and do not know much about it. I am using the 3d game engine called Unity and trying to write a c# script to access the MySQL database that I am

Answer 1

I have faced the same problem yesterday and I've found a satisfying solution that works both on PC and Android.

1: Download .DLL file from here matching your Visual studio project target .NET version (for me 3.5, version 6.9.8.0 worked just fine). If you download a wrong version you will get an error in Unity editor. links to download the file: https://www.dllme.com/dll/files/mysql_data_dll.html or this one: https://downloads.mysql.com/archives/c-net/

2: Unpack the .DLL file and include it in the project (put it anywhere inside of the Assets folder).

3: Program your connection to the database ;) here is a short example:

 using System;
 using System.Data;

 using MySql.Data;
 using MySql.Data.MySqlClient;

 public class Tutorial4
 {
     public static void Main()
     {
         string connStr = "server=localhost;user=root;database=world;port=3306;password=******";
         MySqlConnection conn = new MySqlConnection(connStr);
         try
         {
             Console.WriteLine("Connecting to MySQL...");
             conn.Open();

             string sql = "SELECT COUNT(*) FROM Country";
             MySqlCommand cmd = new MySqlCommand(sql, conn);
             object result = cmd.ExecuteScalar();
             if (result != null)
             {
                 int r = Convert.ToInt32(result);
                 Console.WriteLine("Number of countries in the world database is: " + r);
             }

         }
         catch (Exception ex)
         {
             Console.WriteLine(ex.ToString());
         }

         conn.Close();
         Console.WriteLine("Done.");
     }
 }