使用事件处理程序覆盖SDL Tridion组件的内容

Question

如何使用事件处理程序覆盖组件的字段值？当我有下面的代码片段时，保存组件时没有错误。但是事件处理程序完成的内容更改不会反映在Component中。我希望单值字段“size”具有“blabla ...”作为值。

// Call to Subscribe the events
EventSystem.Subscribe<Component, SaveEventArgs>(ComponentSaveInitiatedHandler,
                                                EventPhases.Initiated); 

private void ComponentSaveInitiatedHandler(Component component, 
                                          SaveEventArgs args, EventPhases phases)
{
    if (component.Schema.Title == "XYZ")
    {
        ItemFields Fields = new ItemFields(component.Content, component.Schema);
        SingleLineTextField textField = (SingleLineTextField)Fields["size"];
        textField.Value = "blabla...";
    }
}

Answer 1

您需要使用XML字符串更新Content属性，如下所示：

ItemFields Fields = new ItemFields(component.Content, component.Schema);
SingleLineTextField textField = (SingleLineTextField)Fields["size"];
textField.Value = "blabla...";
component.Content = Fields.ToXml();