Update demo

Src/Asp.Net/SqlServerTest/Demo/DemoH_Tenant.cs

@@ -21,18 +21,19 @@ namespace OrmTest
         {
             public void Test()
             {
-                base.AsTenant().BeginTran();
+                base.db.BeginTran();
 
                 base.GetList(); //调用内部仓储方法
                 base.ChangeRepository<Repository<C2Table>>().GetList();//调用外部仓储
 
-                base.AsTenant().CommitTran();
+                base.db.CommitTran();
             }
         }
 
 
         public class Repository<T> : SimpleClient<T> where T : class, new()
         {
+            public SqlSugarClient db;
             public Repository(ISqlSugarClient context = null) : base(context)//注意这里要有默认值等于null
             {
                 if (context == null)
@@ -53,10 +54,10 @@ namespace OrmTest
                                                         ConnectionString = Config.ConnectionString2
                                                     }
                     });
-                    base.Context = db;
+                 
                     var configId = typeof(T).GetCustomAttribute<TenantAttribute>().configId;
-                    db.ChangeDatabase(configId);
-
+                    Context = db.GetConnection(configId);
+                    this.db = db; 
                 }
             }