将VB.NET ADODB转换为C#

using System;
using System.Data;
using System.Data.SqlClient;

namespace ADO.NETExample
{
    class Program
    {
        static void Main(string[] args)
        {
            string connectionString = "Data Source=ServerName;Initial Catalog=DatabaseName;User ID=UserName;Password=Password";
            string sqlQuery = "SELECT * FROM TableName";

            using (SqlConnection connection = new SqlConnection(connectionString))
            {
                connection.Open();

                using (SqlCommand command = new SqlCommand(sqlQuery, connection))
                {
                    using (SqlDataReader reader = command.ExecuteReader())
                    {
                        while (reader.Read())
                        {
                            // 处理查询结果
                            string column1Value = reader.GetString(0);
                            int column2Value = reader.GetInt32(1);
                            // ...
                        }
                    }
                }
            }
        }
    }
}