使用C#窗口获取SQL all DB大小

using System;
using System.Data.SqlClient;

namespace GetSQLDatabaseSize
{
    class Program
    {
        static void Main(string[] args)
        {
            string connectionString = "Data Source=YourServerName;Initial Catalog=YourDatabaseName;User ID=YourUserName;Password=YourPassword";
            
            using (SqlConnection connection = new SqlConnection(connectionString))
            {
                connection.Open();
                
                string query = "SELECT name, size FROM sys.sysaltfiles";
                using (SqlCommand command = new SqlCommand(query, connection))
                {
                    using (SqlDataReader reader = command.ExecuteReader())
                    {
                        while (reader.Read())
                        {
                            string databaseName = reader.GetString(0);
                            int size = reader.GetInt32(1);
                            
                            Console.WriteLine("Database Name: " + databaseName);
                            Console.WriteLine("Size: " + size + " KB");
                            Console.WriteLine();
                        }
                    }
                }
                
                connection.Close();
            }
        }
    }
}