JavaScript method for executing the. ASPX page in the ASP. NET background. CS File

01. <SCRIPT type = text/JavaScript> 02.var DG = frameelement. DG, CWIN; 03. function closewindow () 04. {05. DG. cancel (); 06 .} 07. </script> ViewCodeCopy to clipboard 01. protected void b4_click (Object sender, eventargs e) 02. {03. try 04. {05. // The two methods are different. // Method 1: 07. // register to the end. HTML elements have been loaded. 08. this. page. clientscript. registerstartupscript (this. getType (), "close1", "closewindow ()", true); 09. // Method 2: 10. // register the header. html is not loaded yet! 11. // JS reports that the object is missing 12. this. page. clientscript. registerclientscriptblock (this. getType (), "close12", "closewindow ()", true); 13 .} 14. catch 15. {16. 17 .} 18 .}