The only way to pass scope keys across multiple components is through method calls.
跨多个组件传递范围键的惟一方法是通过方法调用。
You can't access it through a pointer declared as an Order, nor can you pass it to another method expecting an Order as an argument.
您不能通过声明为Order的指针来访问它,您也不能将它传递到另外一个希望以Order作为参数的方法。
You pass eval the name of the field to evaluate and the method, in turn, determines the current data item and prepares a regular call through DataBinder.Eval.
您将计算的字段名和方法传递给Eval,决定当前的数据项并通过DataBinder . Eval准备一个常规调用。
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