此示例演示DirectEvent中定义的事件Before、After、Success、Failure、Complete执行顺序
这些事件是JS方法定义。以此执行的顺序是：1、Before 2、After 3、有异常或操作不成功Failure否则Success 4、Complete
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="EvnetOrder.aspx.cs" Inherits="Events_DirectEvents_EvnetOrder" %>
<%@ Register Assembly="Ext.Net" Namespace="Ext.Net" TagPrefix="ext" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>事件执行顺序</title>
<script runat="server">
protected void CheckAuthor(object sender, DirectEventArgs e)
{
string author = e.ExtraParams["author"];
if (author != "老虞")
{
e.ErrorMessage = "笔者不是老虞，而是" + author;
e.Success = false;
}
else
{
//添加信息到客户端
Ext.Net.Parameter parameter = new Ext.Net.Parameter();
parameter.Name = "serverTime";
parameter.Value = DateTime.Now.ToLongDateString();
e.ExtraParamsResponse.Add(parameter);
StringBuilder msg = new StringBuilder();
for (int i = 0; i < e.ExtraParams.Count; i++)
{
msg.AppendFormat("{0}={1}<br/>", e.ExtraParams[i].Name, e.ExtraParams[i].Value);
}
X.MessageBox.Notify(new NotificationConfig() { Icon = Icon.ApplicationHome, Title = "服务器：笔者信息", Html = msg.ToString() }).Show();
}
}
</script>
<script type="text/javascript">
var index=0;
var afterMethod=function(element,extraParams)
{
index++;
var params =extraParams || {};
var msg="Author:"+params.author+"<br/>";
msg+="BLog:<a target='_blank' href='"+params.blog+"'>"+params.blog+"</a><br/>";
msg+="Time:"+params.time;
Ext.net.Notification.show({
title:'afterMethod Index='+index,
html:msg});
}
var beforeMethod=function(el,type,action,extraParams)
{
index++;
Ext.net.Notification.show({
title:'Before Index='+index,
html:""});
}
var failureMethod=function(response,result,control,type,action,extraParams)
{
index++;
Ext.net.Notification.show({
title:'failureMethod Index='+index,
html:result.errorMessage});
}
var successMethod=function(response,result,control,type,action,extraParams)
{
index++;
Ext.net.Notification.show({
title:'successMethod Index='+index,
html:result.extraParamsResponse.serverTime});
}
var completeMethod=function(success, response, result, control, type, action, extraParams)
{
index++;
Ext.net.Notification.show({
title:'completeMethod index='+index,
html:success.toString()});
}
</script>
</head>
<body>
<form id="form1" runat="server">
<ext:ResourceManager ID="ResourceManager1" runat="server">
</ext:ResourceManager>
<ext:TextField ID="txtAuthor" runat="server" FieldLabel="笔者" Text="老虞" />
<ext:Button ID="Button1" runat="server" Text="提交">
<DirectEvents>
<Click Failure="failureMethod" After="afterMethod" Before="beforeMethod" Complete="completeMethod"
Success="successMethod" OnEvent="CheckAuthor" CleanRequest="false">
<ExtraParams>
<ext:Parameter Name="author" Value="txtAuthor.getValue()" Mode="Raw" />
<ext:Parameter Name="blog" Value="http://www.cnblogs.com/howdo" Mode="Value" />
<ext:Parameter Name="time" Value="new Date()" Mode="Raw" />
</ExtraParams>
</Click>
</DirectEvents>
</ext:Button>
</form>
</body>
</html>
这里可以通过查看Index的值判断方法执行顺序。 点击提交按钮，显示结果如下：
