Summary of function methods in C# code executed in javaScript function_javascript skills

Method 1:

1. First create a button, and write the calling or processing content into button_click in the background;
　2. Write a js function in the foreground with the content of document.getElementById("btn1").click();
3. Call the js function in the foreground or background to trigger the click event, which is equivalent to accessing the background c# function;
Method 2: 1. Declare the function as public
Backend code (you can also change public to protected)
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public string ss()
{ 　
return("a"); 　
}

2. Use <%=fucntion()%> in html to call
front-end script
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Method three: 1.
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Method 4:
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〈! --Used to store the function you want to call--〉

in .CS:
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public Page_OnLoad()
{
if (!Page.IsPost())
{
string strFunName=Request.Form["FunName"]!=null?Request.Form["FunName"]:"";
//Determine which function to call based on the value passed back
switch(strFunName)
{
case "enter()":
enter() ; //Call this function
break;
case "other":
//Call other functions
break ;
default:
//Call the default function
break;
}
}
}
public void enter()
{
//… For example, calculate a certain value
}