鸿 网 互 联 www.68idc.cn

当前位置 : 服务器租用 > .net技术 > asp.net编程 > >

.net MVC 连接数据本地数据库三种方法总结

来源:互联网 作者:佚名 时间:2022-05-27 12:34
.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" /

.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>

网友评论
<