JavaScript and C # background Interaction

In Asp.net development, the background and foreground interactions are often used. In this case, a summary of how C # and JavaScript interact with each other is provided.
1. In the background C #CodeTo call jacascript.
JavaScript code:

< Script Type = " Text/JavaScript " Language = " Javascript " >  
Function Test ()
{
Alert ( " Oec2003 " );
Return   False ;
}
< / SCRIPT>

 

C # code:

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--> protected void button#click ( Object sender, eventargs e)

{
Clientscript. registerstartupscript (This. GetType (),"Clear","<SCRIPT> test ()

</Script>");
}

2. Call the C # method in Javascript

If the method in C # has a return value, you can use the following method:

C # code:

Code
Public   String Getauthstatus ()
{
Viewstate [ " Auth " ] =   " Red " ;
Return Viewstate [ " Auth " ]. Tostring ();
}
JavaScript code
Function getauth ()
{
VaR authstatus = " <% = Getauthstatus () %> " ;
Return Authstatus;
}

 

If the C # method called in JavaScript does not return a value, you can put a button on one side and then

Click the button event to write what you want to do, and write the following code in the client script.

document. All ("button1"). Click ();