降低数据库压力

 <appSettings><add key="ModelCache" value=""/></appSettings> //设置实体缓存时间

     public RupengWang.Model.Course GetModelByCache(long Id)

     {

         string CacheKey = "CourseModel-" + Id;

         object objModel = Maticsoft.Common.DataCache.GetCache(CacheKey);

         if (objModel == null)

         {

             objModel = dal.GetModel(Id);

             if (objModel != null)

             {

                 int ModelCache = Maticsoft.Common.ConfigHelper.GetConfigInt("ModelCache");

                 Maticsoft.Common.DataCache.SetCache(CacheKey, objModel, DateTime.Now.AddMinutes(ModelCache), TimeSpan.Zero);

             }

         }

         return (RupengWang.Model.Course)objModel;

     }

 /// <summary>

         /// 从缓存中获得自定义匿名对象

         /// </summary>

         /// <returns></returns>

         public object GetModelByCache()

         {

             string CacheKey = "MyProductAndGroupModel_";

             object objModel = HttpRuntime.Cache[CacheKey]; //获得当前应用程序的缓存

             if (objModel == null)

             {

                 objModel = GetDefineModelByEdm();

                 if (objModel != null)

                 {

                     //int ModelCache = Convert.ToInt32(ConfigurationManager.AppSettings["ModelCache"]);

                     HttpRuntime.Cache.Insert(CacheKey, objModel, null, DateTime.Now.AddMinutes(), TimeSpan.Zero);

                 }

             }

             return objModel;

         }

public partial class WebForm_cache : System.Web.UI.Page

    {

        protected void Page_Load(object sender, EventArgs e)

        {

            #region 缓存

            List<object> list = (List<object>)HttpRuntime.Cache["tc_students"];

            if (list == null || list.Count <= ) //如果缓存中没有就从DB中获取

            {

                List<object> listDB = new MyORM_BLL().SelectAllModel(typeof(TC_STUDENT));

                if (listDB.Count > ) //把数据库中获得的数据进行缓存

                {

                    HttpRuntime.Cache.Insert("tc_students", listDB, null, DateTime.Now.AddSeconds(), TimeSpan.Zero);

                }

                list = listDB;

            }

            Repeater1.DataSource = list;

            Repeater1.DataBind();

            #endregion

        }

    }

WebForm_cache.aspx.cs