js调用服务器端方法总结.doc

js 调用服务器端方法总结 2010-10-24 13:30:32 　标签：js 服务器 调用 ajax asp.net　　　[推送到技术圈] javascript函数中执行C#代码中的函数：方法一：1、首先建立一个按钮，在后台将调用或处理的内容写入button_click中;??????? 2、在前台写一个js函数，内容为document.getElementById(btn1).click();??????? 3、在前台或后台调用js函数，激发click事件，等于访问后台c#函数；方法二：1、函数声明为public???????????? ?????????? 后台代码(把public改成protected也可以)?????????? public string ss()?????????? {????????????? return(a);?????????? }??????? 2、在html里用%=fucntion()%可以调用?????????? 前台脚本?????????? script language=javascript?????????? var a = %=ss()%;?????????? alert(a);?????????? /script方法三：1、script language=javascript?????????? !- -?????????? function __doPostBack(eventTarget, eventArgument)?????????? {????????????? var theForm = document.Form1;???? //指runat=server的form????????????? theForm.__EVENTTARGET.value = eventTarget;????????????? theFrom.__EVENTARGUMENT.value = eventArgument;????????????? theForm.submit();?????????? }?????????? --?????????? /script?????????? input id=Button1 type=button name=Button1 value=按钮 onclick=javascript:__doPostBack(Button1,)??????? 方法四：script language=javascriptfunction SubmitKeyClick(){??? if (event.keyCode == 13)??? {??????? event.cancelBubble = true;??????? event.returnValue = false;??????? document.all.FunName.value=你要调用的函数名；??????? document.form[0].submit();??? }}/scriptINPUT onkeypress=SubmitKeyClick() id=aaa type=textinput type=hidden name=FunName 〈！--用来存储你要调用的函数 --〉在.CS里有：public Page_OnLoad(){if (!Page.IsPost()){string strFunName=Request.Form[FunName]!=null?Request.Form[FunName]:;//根据传回来的值决定调用哪个函数switch(strFunName){case enter():enter() ; //调用该函数break;case 其他://调用其他函数break;default://调用默认函数break;}}}public void enter(){//……比如计算某值} ? 方法五 直接用XHtmlRequest, client callback, javascript访问Web Service或WebMethod.以访问WebMethod为例：1、ScriptManager的EnablePageMethod必须为true.? HTML codeasp:ScriptManager ID=ScriptManager1 runat=server EnablePageMethods=true? Scripts? asp:ScriptReference Path=~/Scripts/MyScript.js /?