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? ??? ?? C++ C#?? MySQL? ??: Visual Studio? MySQL Connector/NET ? MySQL? ??????

C#?? MySQL? ??: Visual Studio? MySQL Connector/NET ? MySQL? ??????

Jan 20, 2025 am 02:40 AM

Connecting to MySQL in C#: Do I Need MySQL Connector/NET and MySQL for Visual Studio?

C# ???????? MySQL ??????? ??

? ?????? C# ??????? MySQL ??????? ???? ? ??? ?? ??? ??? ?????.

Visual Studio? MySQL Connector/NET? MySQL? ??????

???. ??????? MySQL Connector/NET ? Visual Studio? MySQL? ?? ??? ??? ????. ?? MySql.Data NuGet ???? ?????. ? ???? MySQL ??????? ?? ???? ? ??? ?????? ?????.

??????? ??? DLL? ??? ? ????

?, ?????? ?? ???? ?? DLL? ??? ? ????. ??? ?? MySQL ??? ???? ? ?? ?? ??????? ??? ?? ????? MySQL? ??? ? ????.

?? ????? ??? ?? ??????

?? ?????? ??????? ??? MySQL ??? ?????? ?????. ???? Visual Studio? MySQL? ??? ??? ????.

C# ?? ?:

?? ??? MySQL ??????? ?? ?? ??? ?????.

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

namespace Data
{
    public class DBConnection
    {
        private DBConnection() { }

        public string Server { get; set; }
        public string DatabaseName { get; set; }
        public string UserName { get; set; }
        public string Password { get; set; }

        public MySqlConnection Connection { get; set; }

        private static DBConnection _instance = null;
        public static DBConnection Instance()
        {
            if (_instance == null)
                _instance = new DBConnection();
            return _instance;
        }

        public bool IsConnect()
        {
            if (Connection == null)
            {
                if (string.IsNullOrEmpty(DatabaseName)) // Corrected variable name
                    return false;
                string connstring = string.Format("Server={0}; database={1}; UID={2}; password={3}", Server, DatabaseName, UserName, Password);
                Connection = new MySqlConnection(connstring);
                Connection.Open();
            }

            return true;
        }

        public void Close()
        {
            Connection.Close();
        }
    }
}

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