JS calling background methods

From , 4 Years ago, written in JavaScript, viewed 54 times.

1. 用Response.Write方法
 
　　代码如下：
 
　　Response.Write("<script type='text/javascript'>alert("XXX");</script>");
　　此方法缺陷就是不能调用脚本文件中的自定义的函数，只能调用内部函数，具体调用自定义的函数只能在Response.Write写上函数定 义，比如
 
　　Response.Write("<script type='text/javascript'>function myfun(){}</script>");
 
2.用ClientScript类
 
　　代码如下：在想调用某个javascript脚本函数的地方添加代码，注意要保证MyFun已经在脚本文件中定义过了。
 
　　ClientScript.RegisterStartupScript(ClientScript.GetType(), "myscript", "<script>MyFun();</script>");
 
　　这个方法比Response.Write更方便一些，可以直接调用脚本文件中的自定义函数。
 
3.普通的添加控件的Attributes属性
 
　　对于普通按钮就是：Button1.Attributes.Add("onclick","MyFun();");
 
　　只能在Onload中或类似于onload的初始化过程中添加才有效。而且是先执行脚本函数，无法改变执行顺序。
 
注意，以上所有方法中，后台代码都不能有转化当前页的代码，比如Redirect等，要把转页代码放在脚本里面

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JS calling background methods

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