Support Shard Same Thread

Src/Asp.Net/SqlServerTest/Demos/B_SharedConnection.cs

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+using OrmTest.Models;
+using SqlSugar;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace OrmTest.Demo
+{
+    public class SharedConnection : DemoBase
+    {
+        public static void Init()
+        {
+            StudentDal studentDal = new StudentDal();
+            SchoolDal schoolDal = new SchoolDal();
+
+            try
+            {
+                studentDal.BeginTran();
+
+                Console.WriteLine("school Count:"+ schoolDal.GetSchoolCount());//0
+
+                studentDal.AddStudent(new Student() { Name = "StudentTest" });
+                schoolDal.AddSchool(new School() { Name = "SchoolTest" });//1
+
+                Console.WriteLine("school Count:" + schoolDal.GetSchoolCount());
+
+                throw new Exception("error");
+            }
+            catch (Exception ex)
+            {
+                studentDal.RollbackTran();
+                Console.WriteLine("school Count:" + schoolDal.GetSchoolCount());//0
+            }
+        }
+
+
+    }
+    public class StudentDal : BaseDao
+    {
+        public void AddStudent(Student sudent)
+        {
+            db.Insertable(sudent).ExecuteCommand();
+        }
+    }
+    public class SchoolDal : BaseDao
+    {
+        public void AddSchool(School school)
+        {
+            db.Insertable(school).ExecuteCommand();
+        }
+        public int GetSchoolCount()
+        {
+            return db.Queryable<School>().Count();
+        }
+    }
+
+    public class BaseDao
+    {
+
+        public SqlSugar.SqlSugarClient db { get { return GetInstance(); } }
+        public void BeginTran()
+        {
+            db.Ado.BeginTran();
+        }
+        public void CommitTran()
+        {
+            db.Ado.CommitTran();
+        }
+        public void RollbackTran()
+        {
+            db.Ado.RollbackTran();
+        }
+        public SqlSugarClient GetInstance()
+        {
+            SqlSugarClient db = new SqlSugarClient(
+                new ConnectionConfig() {
+                    ConnectionString = Config.ConnectionString,
+                    DbType = DbType.SqlServer,
+                    IsAutoCloseConnection = false,
+                    IsShardSameThread= true /*Shard Same Thread*/
+                });
+          
+            return db;
+        }
+    }
+}