ExtPB.Net 中的WebBrowser控件在每次窗体加载时不会重新载入url对应的页面,可以让页面载入时加个随机数解决:
System.Random r = new Random();
int random = r.Next(100, 200); //100到200之间的整型随机数
wb_1.Url = new Uri(Request.Url,"/WorkFlow/WF_ShowWorkFlow.aspx?flowid=" + flowId + "&_=" + random.ToString());
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