Example #1
0
 /// <summary>
 /// 将方法调用打包,使只用一个数据连接
 /// 同CRLDbConnectionScope
 /// </summary>
 /// <param name="action"></param>
 public void PackageMethod(Action action)
 {
     using (var context = new CRLDbConnectionScope())
     {
         try
         {
             action();
         }
         catch (Exception ero)
         {
             context.Dispose();
             throw ero;
         }
     }
 }
Example #2
0
        /// <summary>
        /// 使用DbTransaction封装事务,不能跨库
        /// 请将数据访问对象写在方法体内
        /// 可嵌套调用
        /// </summary>
        /// <param name="method"></param>
        /// <param name="error"></param>
        /// <returns></returns>
        public bool PackageTrans2(TransMethod method, out string error)
        {
            error = "";
            var _useCRLContext = CallContext.GetData <bool>(Base.UseCRLContextFlagName);//事务已开启,内部事务不用处理

            using (var context = new CRLDbConnectionScope())
            {
                var db = GetDBExtend();
                if (!_useCRLContext)
                {
                    db.BeginTran();
                }
                bool result;
                try
                {
                    result = method(out error);
                    if (!_useCRLContext)
                    {
                        if (!result)
                        {
                            db.RollbackTran();
                            CallContext.SetData(Base.UseCRLContextFlagName, false);
                            return(false);
                        }
                        db.CommitTran();
                    }
                }
                catch (Exception ero)
                {
                    error = "提交事务时发生错误:" + ero.Message;
                    if (!_useCRLContext)
                    {
                        db.RollbackTran();
                        CallContext.SetData(Base.UseCRLContextFlagName, false);
                    }
                    return(false);
                }
                if (!_useCRLContext)
                {
                    CallContext.SetData(Base.UseCRLContextFlagName, false);
                }
                return(result);
            }
        }