asp.net代码练习 work015 回调技术-白红宇

asp.net代码练习 work015 回调技术

阅读量：310 次

发布时间：2019-03-03

本文共 2191 字，大约阅读时间需要 7 分钟。


   
   
    
   
    webform1.aspx
    
   
            <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="work015.WebForm1" %>        
    
        
            回调技术                
    
        
                
     
            
                     
      
                
      
      
      
      
      
      
      
      
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    webform1.aspx.cs
    
   
            using System;        using System.Collections.Generic;        using System.Linq;        using System.Web;        using System.Web.UI;        using System.Web.UI.WebControls;        namespace work015 {            public partial class WebForm1 : System.Web.UI.Page, ICallbackEventHandler {                string result = "";                protected void Page_Load(object sender, EventArgs e) {                    ClientScriptManager csm = Page.ClientScript;                    string reference = csm.GetCallbackEventReference(this, "args", "Success", "", "Error", false);                    string callbackScript = "function CallServerMethod(args,context) {\n" + reference + "\n}";                    csm.RegisterClientScriptBlock(this.GetType(), "CallServerMethod", callbackScript, true);                }                public void RaiseCallbackEvent(string eventArgs) {                    if (eventArgs.ToLower().IndexOf("admin") != -1) {                        result = string.Format("{0}已被注册", eventArgs);                    } else {                        result = eventArgs + "可以注册";                    }                }                public string GetCallbackResult() {                    return result;                }            }        }