使用windows身份验证连接到不同服务器上的SQL Server

using System.Data.SqlClient;

string connectionString = "Server=YourServerName; Database=YourDatabaseName; Integrated Security=True;";
using (SqlConnection connection = new SqlConnection(connectionString))
{
    try
    {
        connection.Open();
        Console.WriteLine("Connected to SQL Server successfully.");
    }
    catch (Exception ex)
    {
        Console.WriteLine("Error: " + ex.Message);
    }
}

using System;
using System.Data.SqlClient;

class Program
{
    static void Main()
    {
        string connectionString = "Server=YourServerName; Database=YourDatabaseName; Integrated Security=True;";
        
        try
        {
            using (SqlConnection connection = new SqlConnection(connectionString))
            {
                connection.Open();
                Console.WriteLine("Connected to SQL Server successfully.");
                
                // 执行一些数据库操作
                using (SqlCommand command = new SqlCommand("SELECT * FROM YourTableName", connection))
                {
                    using (SqlDataReader reader = command.ExecuteReader())
                    {
                        while (reader.Read())
                        {
                            Console.WriteLine(reader["ColumnName"].ToString());
                        }
                    }
                }
            }
        }
        catch (Exception ex)
        {
            Console.WriteLine("Error: " + ex.Message);
        }
    }
}