.net MVC 连接数据本地数据库三种方法
<appSettings> <add key="webpages:Version" value="2.0.0.0" /> <add key="webpages:Enabled" value="false" /> <add key="PreserveLoginUrl" value="true" /> <add key="ClientValidationEnabled" value="true" /> <add key="UnobtrusiveJavaScriptEnabled" value="true" /> <add key="con" value="server=.sqlexpress;
user id = sa;
password = a123456;
database = xsgl1;
max pool size=512;
"/> </appSettings> <connectionStrings> <add name="conSql" connectionString="server=(local)sqlexpress;
User Id = sa;
password = a123456;
database = xsgl1;
max pool size=512;
"/> </connectionStrings> Configuration
public class HomeController : Controller {
// // GET: /Home/ public ActionResult Index() {
#region connect sql function one SqlConnectionStringBuilder one = new SqlConnectionStringBuilder();
one.DataSource = "(local)\sqlexpress";
one.InitialCatalog = "xsgl1";
one.UserID = "sa";
one.Password = "a123456";
one.MaxPoolSize = 512;
SqlConnection sct = new SqlConnection(one.ConnectionString);
#endregion #region connect sql function two //string conn = ConfigurationManager.AppSettings["con"].ToString();
//SqlConnection sct = new SqlConnection(conn);
#endregion #region connect sql function three //string conn = ConfigurationManager.ConnectionStrings["conSql"].ConnectionString;
//SqlConnection sct = new SqlConnection(conn);
#endregion SqlCommand scm = new SqlCommand();
scm.Connection = sct;
scm.CommandType = CommandType.Text;
scm.CommandText = "select 课程名 from kc where 课程号='A001'";
sct.Open();
SqlDataReader sdr = scm.ExecuteReader();
if (sdr.Read()) {
ViewBag.hao = sdr["课程名"];
}
sdr.Close();
return View();
}
public ActionResult About() {
return View();
}
}
Controller
@{
ViewBag.Title = "Index";
}
@ViewBag.hao <h2>Index</h2>
