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CLR Inside Out: Thread Management In The CLR

Posted By:      Posted Date: August 21, 2010    Points: 0   Category :ASP.Net
 

Getting the performance you want in concurrent applications is not as straightforward as you might think. See how common threading issues can affect your application.

Erika Fuentes and Eric Eilebrecht

MSDN Magazine December 2008




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More Related Resource Links

Thread management

  
Hello all,I'm having 2 threads in an console application, each one using the same resource object so I lock an object so they can each do their work. This all fine. Now I try to implement a way to stop/join/kill those threads.I still don't understand the diff between stop and join.My threads both uses an AutoResetEvent declared as:private static AutoResetEvent threadWait = new AutoResetEvent(false); private static AutoResetEvent threadWaitCleanup = new AutoResetEvent(false);And used as :while (mainLoop && !threadWait.WaitOne(Config.SleepTimeFtpThread)) { Console.Write("."); lock (_OLock) { ... } } I tried to call the Set() method of both AutoResetEvents thinking it will stop the threads when there job done. In fact while debugging I saw that a thead was not running anymore when it was done and entered the while loop again. But It was not safe to quit the application untill that job was done and it was not realy the case. So it could be the process is still inserting records , the user quits the app while its inserting could result in a bad result.Do I here have to use abort, stop, join ?

Can I invoke a sleeping thread by name which is running inside the same process

  

I have an web application in which Application start event I have started some thread.In those threade one thread name is "JobManagerThread" which is quering the database after each 2 minutes and if found some record then do proccessing otherwise sleeps.

Now From one of my page i wanted to trigger that Thread [that is if it is sleeping then i wanted it to start]

can it be possible?

I am working with .net framework 3.5


Accessing the different controls inside a GridView control

  
how we can access a particular control which resides inside a GridView control. In this article I will show you how you can access different controls inside a GridView control. We will see how we can access a TextBox control, a DropDownList control and a ListBox control. If you are working with ASP.NET 1.X then you might want to check out my article Accessing Different Controls Inside a DataGrid.

How To Add calendar control inside a GridView

  
This article show hot to add calendar control inside a GridView with code in c#

Using ATLAS PopUp Control with Calendar inside the GridView Control

  
In this video tutorial Mohammad demonstrates how you can access the Calendar control which is displayed using the ATLAS PopUp control inside the GridView control.

RadioButton inside GridView, How to get it work as normal

  
Did you tried before to drag a RadioButton control inside a Gridivew templatefield, and then you attempt to select these RadioButtons , you will notice that the behavior of RadioButton control will be changed and it will work just like the behavior of checkbox control! the user will be able to select more than one radiobutton in the grid!

Maintain HTML Radio Button Selection Inside GridView After Postback

  
Long time ago I wrote an article about getting the value of the selected RadioButtons inside the GridView control. The code did not addresssed the postback issue which means that the selected radio button was cleared after the postback occurs.

LinkButton inside Repeater

  

Hi.

I have Repeater, which consists of LinkButon and Literal. LinkButon and Literal are whole thing by implication. I want get value from Literal, when user click on corresponding LinkButton.

TIA 


Textbox in ItemTemplate inside Gridview, unable to get the value

  

Hi. I have a itemtemplate inside a gridview.

<asp:TemplateField HeaderText="Enter OTP">
                        <ItemTemplate>
                            <asp:Label ID="Label2" runat="server"
                                style="font-family: Arial, Helvetica, sans-serif; font-size: x-small"
                                Text="PIN Num:"></asp:Label>
                            &nbsp;<asp:TextBox ID="txtPIN" runat="server" Height="21px" Width="100px"></asp:TextBox>
          &

Embed Youtube inside Ajax Html Editor- problem

  

Hi,

When inserting a simple embed of youtube inside the ajax editor, on firefox and chrome problems occur. On the other hand on internet explorer 8 everything works fine. I found this solution http://www.nopcommerce.com/boards/t/4228/bug-in-ajax-html-editor.aspx . 

My question is where do I find the DesignPanel.pre.js ?


Thanks,

Roderick Vella


Gridview inside updatepanel

  

I am displaying large amount of data in gridview,the gridview placed within updatepanel,every 1sec i am refreshing updatepanel using ajax timer.my problem is while displaying large data the cpu performance is low,pls give idea to increase cpu performance..


how to get an array of all the asp.net textbox control inside create user wizard control?

  

Hi,

How can I get all the textboxes inside a create user wizard control using getElementsByTagName().

Below is my JQuery code:

<script type="text/javascript">
        function addLoadEvent(func) {
            var oldonload = window.onload;
            if (typeof window.onload != 'function') {
                window.onload = func;
            } else {
                window.onload = function() {
                    oldonload();
                    func();
                }
            }
        }


        function prepareInputsForHints() {
            var inputs = document.getElementsByTagName("asp:TextBox");
            for (var i = 0; i < inputs.length; i++) {
                inputs[i].onfocus = function() {
                    this.parentNode.getElementsByTagName("span")[0].style.display = "inline";
                }
                inputs[i].onblur = function() {
                    this.parentNode.getElementsByTagName("span")[0].style.display = "none";
                }
            }
        }
        addLoadEvent(prepareInputsForHints);

    </script>


 

<asp:ScriptManager ID="ScriptManager1" runat="server"></asp:ScriptManager>
       

find a Control inside a GridView using jQuery

  

I have databound GridView in my page and I have a hidden DIV in all rows. Each row contains a Button that I want it to make the DIV visible for me! how can I use that with jQuery?!


here is the code page: 


<asp:GridView ID="GridView2" runat="server" AutoGenerateColumns="False" 
                                EnableModelValidation="True" GridLines="None" ShowHeader="False" Width="100%">
                                <Columns>
                                    <asp:T

form feild hints are not displaying for textboxses inside create user wizard?

  

Hi,

I'm using following JS code to display input hint box besides the textbox whenever that asp.net textbox receives focus. 

I'm doing this for a registration form and all of the textboxes are inside the asp.net create user wizard control.

<script type="text/javascript">
function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload();
      func();
    }
  }
}

function prepareInputsForHints() {
	var inputs = document.getElementsByTagName("TextBox");
	for (var i=0; i<inputs.length; i++){
		// test to see if the hint span exists first
		if (inputs[i].parentNode.getElementsByTagName("span")[0]) {
			// the span exists!  on focus, show the hint
			inputs[i].onfocus = function () {
				this.parentNode.getElementsByTagName("span")[0].style.display = "inline";
			}
			// when the cursor moves away from the field, hide the hint
			inputs[i].onblur = function () {
				this.parentNode.getElementsByTagName("span")[0].style.display = "none";
			}
		}
	}
addLoadEvent(prepareInputsForHints);
</script>
span.

unable to access control inside webuser control

  

hi

I have used calender web user control inside my project where i took textbox,button and calender.....but after dragging onto my aspx page....i am unable to access this textbox,calender and button on aspx page...Pls help me to find out the solution.


image inside custom server control

  

Hi,

I want to use an image inside a Custom Web server control ! 

Do I need to use Web.resources ? if so , how to do ?


Using a GenericHandler as a WebResource inside a Class Library

  

Hi,

I hope this is the right place to ask this question.

I'm trying to make a control class library. I want to have a GenericHandler as a WebResource so I could call it from the web project that will use that control.

I need this handler will get parameters from the query string and return JSON data acourding to what it get in the QS.

I know how to create JS and images WebResources, so I tried the same on a generic handler I added to the class library project but all it does is return the source of the handler file and not the result.

 

Is what I'm trying to do possible? If so, what should I do?

 

Thank :-)


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