Update sqlite demo

Src/Asp.NetCore2/SqliteTest/Program.cs

@@ -0,0 +1,64 @@
+using SqlSugar;
+using System;
+
+namespace OrmTest
+{
+    
+    public class Program
+    {
+        static void Main(string[] args)
+        { 
+            _1_CodeFirst.Init();
+            _2_DbFirst.Init();
+            _3_EasyQuery.Init();
+            _4_JoinQuery.Init();
+            _5_PageQuery.Init();
+            _6_NavQuery.Init();
+            _7_GroupQuery.Init();
+            _8_Insert.Init();
+            _9_Update.Init();
+            _a1_Delete.Init();
+            _a2_Sql.Init();
+            _a3_Merge.Init();
+        }
+    }
+
+    /// <summary>
+    /// Helper class for database operations
+    /// 数据库操作的辅助类
+    /// </summary>
+    public class DbHelper
+    {
+        /// <summary>
+        /// Database connection string
+        /// 数据库连接字符串
+        /// </summary>
+        public readonly static string Connection = "datasource=SqlSugar5Demo";
+
+        /// <summary>
+        /// Get a new SqlSugarClient instance with specific configurations
+        /// 获取具有特定配置的新 SqlSugarClient 实例
+        /// </summary>
+        /// <returns>SqlSugarClient instance</returns>
+        public static SqlSugarClient GetNewDb()
+        {
+            var db = new SqlSugarClient(new ConnectionConfig()
+            {
+                IsAutoCloseConnection = true,
+                DbType = DbType.Sqlite,
+                ConnectionString = Connection,
+                LanguageType=LanguageType.Default//Set language
+
+            },
+            it => {
+                // Logging SQL statements and parameters before execution
+                // 在执行前记录 SQL 语句和参数
+                it.Aop.OnLogExecuting = (sql, para) =>
+                {
+                    Console.WriteLine(UtilMethods.GetNativeSql(sql, para));
+                };
+            });
+            return db;
+        }
+    }
+}