using System;
using System.Collections.Generic;
using System.Data;
using System.Data.SqlClient;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace testSqlServerConnection
{
class Program
{
static string connString = "Data Source=(localdb)\\MSSQLLocalDB;Initial Catalog=Test;Integrated Security=TRUE";//连接字符串
static string sql = "select * from dbo.user1";
public static SqlConnection conn;
static void Main(string[] args)
{
conn = new SqlConnection(connString);
int a = -1;
try
{
conn.Open(); //打开数据库
SqlCommand cmd = new SqlCommand(sql, conn);
a = cmd.ExecuteNonQuery();
System.Diagnostics.Debug.WriteLine("###########" + "连接成功");
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine("###########" + e.Message);
}
finally
{
if (conn.State == ConnectionState.Open)
{
conn.Close(); //关闭数据库
}
}
}
}
}
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