wangyunyong0905的专栏

经过艰苦的探索,今天下午还是做出来了,贴出相关代码环境为expressionhandle名为ehperson,是person类的全部实例 ,即express表达式person.allinstances1.aspx文件   " autogeneratecolumns="False" datakeyfield="ExternalId">                       

procedure TfrmPayment.LoadPayments; var   i, j: integer;   aPayment: TPayment; begin   FBalance := 150;   FBondBalance := 250;   for i := 0 to 4 do   begin     for j := 0 to 2 do     begin       a

IObjectList customers = vfs.CreateTypedObjectList(typeof(Customer)); foreach (Customer currentCustomer in someOtherList)   customers.Add(currentCustomer); //If a customer has a single contract IO

软件技术 吕向阳 发表于 2007-10-1 10:34:17

expressionhandle的expression中要使用变量,一般要用到variablehandle变量,很麻烦.如一般的字符串变量可使用以下方法解决 c#eh.Expression = System.String.Format("Person.allInstances->orderBy({0}), button1.Text); Delphi: eh.Expression :=