Setup and forms

paymentLogs/Database/DataBase.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Data.SqlClient;
+using MySql.Data.MySqlClient;
+
+namespace PaymentLogs
+{
+    internal class DataBase
+    {
+        private string _server = "mysql3.joinserver.xyz";
+        private string _user = "u45925_kkOETa8Au9";
+        private string _pass = "S^Xv9WH9PM!a@.cWHCRJVr.Z";
+        private string _db = "s45925_easystartup";
+        private MySqlConnection mySqlConnection;
+
+        //SqlConnection sqlConnection = new SqlConnection(@"Data Source=DESKTOP-QN8TL8D\SQLEXPRESS;Initial Catalog=Отчет оплаты обучения обучающихся;Integrated Security=True");
+
+        public void openConnection()
+        {
+            mySqlConnection = new MySqlConnection($"Server={_server}; Port=3306; Uid={_user}; Pwd={_pass}; Database={_db}");
+            if (mySqlConnection.State == System.Data.ConnectionState.Closed)
+            {
+                mySqlConnection.Open();
+            }
+        }
+
+        public void closeConnection()
+        {
+            if (mySqlConnection.State ==System.Data.ConnectionState.Closed)
+            {
+                mySqlConnection.Open();
+            }
+        }
+
+        public MySqlConnection getConnection()
+        {
+            return mySqlConnection;
+        }
+
+
+    }
+}