Add db.Ado.IsNoTran

Src/Asp.Net/SqlSugar/Abstract/AdoProvider/AdoProvider.cs

@@ -187,6 +187,10 @@ namespace SqlSugar
         {
             return this.Transaction != null;
         }
+        public virtual bool IsNoTran()
+        {
+            return this.Transaction == null;
+        }
         public virtual void BeginTran()
         {
             CheckConnection();

Src/Asp.Net/SqlSugar/Interface/IAdo.cs

@@ -21,7 +21,7 @@ namespace SqlSugar
         void ExecuteBefore(string sql, SugarParameter[] pars);
         void ExecuteAfter(string sql, SugarParameter[] pars);
         bool IsAnyTran();
-
+        bool IsNoTran();
         bool IsEnableLogEvent{get;set;}
         StackTraceInfo SqlStackTrace { get; }
         IDataParameterCollection DataReaderParameters { get; set; }