配置数据库:
连接字符串:
server=潘尚\SQLEXPRESS;database=db_test;Trusted_Connection=true
连接代码:
using System; using System.Collections.Generic; using System.Data.SqlClient; using System.Linq; using System.Text; using System.Threading.Tasks; namespace SQLTest { class Program { static void Main(string[] args) { //连接数据库 string connection = "server=潘尚\SQLEXPRESS;database=db_test;Trusted_Connection=true"; SqlConnection sc = new SqlConnection(); sc.ConnectionString = connection; try { sc.Open(); Console.WriteLine("已经打开数据库连接!"); } catch (Exception ex) { Console.WriteLine("打开数据库错误:{0}", ex.Message); } finally { sc.Close(); Console.WriteLine("数据库连接已关闭!"); } System.Console.ReadLine(); } } }
连接结果:
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