Update demo

Src/Asp.Net/SqlServerTest/Demo/Demo3_Insertable.cs

@@ -9,7 +9,8 @@ namespace OrmTest
 {
     public class Demo3_Insertable
     {
-        public static void Init() {
+        public static void Init()
+        {
             Console.WriteLine("");
             Console.WriteLine("#### Insertable Start ####");
 
@@ -36,7 +37,7 @@ namespace OrmTest
             };
 
             //Ignore  Price
-            db.Insertable(insertObj).IgnoreColumns(it => new {  it.Price }).ExecuteReturnIdentity();//get identity
+            db.Insertable(insertObj).IgnoreColumns(it => new { it.Price }).ExecuteReturnIdentity();//get identity
             db.Insertable(insertObj).IgnoreColumns("Name", "TestId").ExecuteReturnIdentity();
 
             //Only  insert  Name and Price

Src/Asp.Net/SqlServerTest/Demo/Demo4_Deleteable.cs

@@ -1,4 +1,5 @@
-using System;
+using SqlSugar;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
@@ -10,7 +11,38 @@ namespace OrmTest
     {
         public static void Init()
         {
-            
+            Console.WriteLine("");
+            Console.WriteLine("#### Deleteable Start ####");
+
+            SqlSugarClient db = new SqlSugarClient(new ConnectionConfig()
+            {
+                DbType = DbType.SqlServer,
+                ConnectionString = Config.ConnectionString,
+                InitKeyType = InitKeyType.Attribute,
+                IsAutoCloseConnection = true,
+                AopEvents = new AopEvents
+                {
+                    OnLogExecuting = (sql, p) =>
+                    {
+                        Console.WriteLine(sql);
+                        Console.WriteLine(string.Join(",", p?.Select(it => it.ParameterName + ":" + it.Value)));
+                    }
+                }
+            });
+            //by entity
+            db.Deleteable<Order>().Where(new Order() { Id = 1 }).ExecuteCommand();
+
+            //by primary key
+            db.Deleteable<Order>().In(1).ExecuteCommand();
+
+            //by primary key array
+            db.Deleteable<Order>().In(new int[] { 1, 2 }).ExecuteCommand();
+
+            //by expression
+            db.Deleteable<Order>().Where(it => it.Id == 1).ExecuteCommand();
+
+            Console.WriteLine("#### Deleteable End ####");
+
         }
     }
 }