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why does claring my URL Stack cause a delay in page reponsiveness ?

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User1253338400 posted

Hi ,

I have the following in the server side code. Note the closeURLStack is defined as follows

public Stack CloseURLStack
{
get { return stkCloseURL; }
set { this.stkCloseURL = value; }
}

[WebMethod]
[ScriptMethod()]
public static bool ClearCallStack()
{
if (userContext != null && userContext.CloseURLStack != null && userContext.CloseURLStack.Count > 0)
userContext.CloseURLStack.Clear();
return true;
}

It is called from javascript via the following

function ActionMenuItemClick(e) {
PageMethods.ClearCallStack();
}

It seems that when the user clicks on a menu then there is no responsiveness for about 8 or so seconds and then the page renders .

If i comment out the PageMethos.ClearacALLsTACK() it seems to be a bit faster.

Question is do I need to clear the url stack or is there a better way of doing this ?

Thanks

Friday, February 5, 2016 4:34 AM

Answers

User1814019480 posted

Hi Robby,

Thanks for your posting.

Base on my experience, I think we can take those action to debug and resolve this issue.

The first one:

Could you try to add the breakpoint on your JS and server side code to test which steps toke long time caused the delay? I afraid that the script manager need time to load the JS file and script into the memory to call the server side function.

So the second action is that I suggest you can change your code as the JQuery Ajax or xmlHttprequest to call the server side function.

I recommend you refer to this demo:

using JQuery:

http://ajax.aspnetcdn.com/ajax/jQuery/jquery-2.1.0.min.js

JS Code：

<script type="text/javascript">   
    //Called this method on any button click  event for Testing
    function MyFunction(Param1, Param2) {                                               
    $.ajax({
        type: "POST",
        url: "MyPage.aspx/MyMethod",
        data: "{ Param1: '" + Param1+ "',Param2: '" + Param2 + "'}",
        contentType: "application/json; charset=utf-8",
        dataType: "json",
        async: "true",
        cache: "false",
        success: function (msg) {
            // On success                 
        },
        Error: function (x, e) {
            // On Error
        }
    });
}  
</script>

Code behind Code:

using System.Web.Services;

[WebMethod]
public static void MyMethod(string Param1, string Param2)
{ 
     try
     {
        //Do here server event  
     }
     catch (Exception)
     { 
       throw;
     }  
}

Also, you can use this method to call the code behind function:

function loadServerData() {
   var xhttp = new XMLHttpRequest();
   xhttp.onreadystatechange = function() {
    if (xhttp.readyState == 4 && xhttp.status == 200) {
     document.getElementById("demo").innerHTML = xhttp.responseText;
    }
  };
  xhttp.open("GET", "mypage.aspx/mymethod", true);
  xhttp.send();
 }

Please try it.

Any concerns, please feel free to let me know.

Regards,

Will

Marked as answer by Anonymous Thursday, October 7, 2021 12:00 AM

Monday, February 8, 2016 8:04 AM

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why does claring my URL Stack cause a delay in page reponsiveness ?

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