C# - Button Click In Repeater In Updatepanel Not Triggered Until AsyncPostBackTrigger Timer Tick?
Dec 16, 2010
I have an update panel that has a timer set as the AsyncPostBackTrigger.In this Update Panel I have a repeater and in the repeater I have a few buttons which have on click events.
The on click of these buttons does not appear to fire until the timer has ticked.I have tried debugging and this is what seems to be happening, either way it takes ages for the button click to actually fire.
Does anyone know why this would be and what I can do about it?
[Code]...
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May 26, 2011
I have a button in my master page. When clicked I want it to update my UpdatePanel, which in in a content page, not the master page.How to I add this button as a AsyncPostBackTrigger to my UpdatePanel?
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Feb 14, 2011
I have a HTML page which i am converting it to DOM and in tat i am calling a function, which will find the click button in the DOM and trigger the click button. But for some reason my code is unable to find the control.[code]...
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May 10, 2009
For my job I have to manually tick up to 50 boxes on a website and then click expire to remove the records from the site. Is it possible to automate this by having a small application which on the right hand side has a browser control and on the left a button which says expire all records. When this is clicked the tool knows to tick all the records and then click on the expire button? If so what sort of control should i look at using or VB code?
I want to progress this at a later date aswell so that the tool would then be able to click on each record individually to enter the record and then click re-publish? How do I get my program to loop round and then stop when it has finished expiring all the records? Also sometimes there are more than 1 page of results, so it would need to be able to tick all results, then click on the expire button, but then be able to click on the next page button and then repeat the process so it expires the records on this page?
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Jul 9, 2009
I have a timer on a page in ASP.NET.
After a certain period of time elapses, I want to disable the timer.
I want to put a static variable in the timers tick event that will track how many seconds have elapsed.
My question is, will this work?
If user X and Y are viewing the page will they both have separate local static variables?
What is the best method of shutting down an ASP.NET timer after a certain elapsed time?
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Jan 11, 2011
I want to create an array of timer in vb.net. My problem is that how will i raise the tick event for a particular timer, say mytimer(x).tick and inside the tick event there is also a button, say mybutton(x) which changes location every interval. for example:
public class blah
dim mybuttons(20) as button
dim mytimer(20) as timer
private sub form_load(....) handles me.load
for x as integer = 0 to 20
[Code]...
i dont know what to do next, all i want is to pass the button mybuttons(x) to mytimer(x) tick event, in which their index number are the same. i want to create one timer per button. how to do that? please help me and post example codes. i've researched the net but i cant understand passing variables, addhandlers, etc. i'm just new to programming object oriented.
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Apr 15, 2011
I'm trying to speed up my Repeater so that not as much HTML has to be resent via the AJAX UpdatePanel on each call.
So here's what I have (a very much simplified version):
<asp:Repeater ID="rptContactSteps" runat="server">
<ItemTemplate>
<p>Script:<br /><%#mobjSDIT.FormatText(Eval("script"))%></p>
[Code]....
So, when I click 'btnSaveAndCompleteLastStep' I want all the UpdatePanel in 'rptContactSteps' to update. Having the UpdatePanel inside the ItemTemplate should help prevent having to re-load the html/text that populates the Eval("script") & Eval("notes"), since the value of these variables could be very large and over a 3G connection this could be very costly (in time & money).
I though by adding the async trigger it'd work as I have used this type of trigger before, but not when inside the Repeater. Currently the UpdatePanels aren't getting updated at all, except from the one from which the button was pressed.
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Feb 23, 2012
I have a User Control. In this user control I have a Repeater. In this repeater I have again a User Control. If I try to catch the click event of an ImageButton in this user control, I'm gettin nothing because the event has not been fired. Is there a way to catch this event?
Some code:
first user control:
[CODE]..........
In myUserControl:
[CODE]..........
This event isn't firing:
[CODE]..............
Also the following does not work because it returns nothing:
[CODE]...................
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Apr 9, 2009
i have a User Control.In this user control I have a Repeater.In this repeater I have again a User Control.If I try to catch the click event of an ImageButton in this user control, I'm gettin nothing because the event has not been fired.
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May 9, 2011
Listen I'm very new to MVC 3.0 but I've been looking and looking for a simple straight forward tutorial for replacing an asp:UpdatePanel in the MVC world. There are lots of examples on the jquery function that needs to be called but since I don't know how to wire it up in MVC I'm still lost. Can someone point me to a hard and fast example on how I can do a simple "timer refreshed" partial view such as putting the date time on a _layout.vbhtml page?
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Nov 9, 2009
Is it possible to have smaller intervall than 1 in a timer?
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Apr 17, 2012
I have a series of buttons that I am handling with a single method (Button_Click). I use the sender.tag to determine which button was clicked. I want to simulate clicking btn3 with a Timer. So when Timer1 triggers, I want it to trigger the Button_click method, but indicate that btn9 was clicked.
I have:
Private Sub Button_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btn1.Click, btn2.Click, btn3.Click
Dim i As Integer = CInt(sender.tag)
In the Timer_Tick method I would Call the Button_Click method, but what do I used for the sender and eventargs?
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Apr 26, 2012
I only have had 2 vb classes now in school but I rather like playing with this. I am trying to figure out how to make a button click start a timer that will bring up a splash screen and then close and then close the program. To clarify I want this splash to show up on exiting another simple program that I have already wrote. Also are there any online resources that anyone could recommend to me? I have found a few places but most of the .net ones were limited.
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Feb 1, 2011
Suppose I have meeting 31/1/2011 9.30 and when current time becomes 31/1/2011 9.30 it displays a message: "You have a meeting". How can I do this with VB.NET?
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Feb 11, 2012
i want to execute different subs at each tick , is that possible ?
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Nov 20, 2009
I am creating a game.With each timer tick a new picture box is generated and displayed. This works.[code]Now with a different timer I would like to move each of these generated picture boxes down 5 pixels with each timer tick.I cannot access the pctAlien variable outside of the statement it is declared.Is this the best way of generating the pictureboxes?
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Feb 10, 2011
I used a timer in my user control now when Timer_Tick event is fired I want to raise an event like Ticked. I created:
public delegate sub myDel()
public event myevnt as myDel
in Timer.Tick
I used raiseEvent myevnt. I also raised the event from a button click. This event is handled in a windows form where the control is used, My problem is event is firing when the button is clicked but not firing from the timer.tick. Is there any problem from Timer.Tick.
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Feb 3, 2009
how to restart timer when is end? my timer code is:[code]
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Aug 25, 2011
I want to create with Visual Basic 2008, where an application via a button on a timer refreshes webbrowers after X seconds, a new web address.url.'I'm trying to create it for weeks but I can not .
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Mar 15, 2010
is it possible to put a timer to click a button every 1 minute for 3 times with 10 millseconds from one click to the next click automatically
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Aug 27, 2009
i am trying to set up and start the timer for few seconds when I input the timer seconds value in the textbox and click the button, wait for the timer to countdown then show up the messagebox. [code]When I input the timer value in the textbox and I have clicked the button, it did not start the timer for a few seconds which it show the messagebox straight away! How do i start the timer for a few seconds by input the value in the textbox and click the button then wait for few seconds while the timer start to countdown then show the messagebox??
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Jun 10, 2012
I have a timer that on tick checks to see the value of a an element in an array using a counter on another form as well. The picture boxes are initially set to false for visible and they should become true when the timer ticks and the element is equal to 1. I know that the pictureboxes have a valid picture in them because if I initialize them as TRUE first, it shows up properly. I also know that I am entering the IF statement because I can put a simple MsgBox with any string in the IF statement and it will display when the requirements are set. But yet the pictureboxes still do not change.
Public Sub test_timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles test_timer1.Tick
If tron.left_arm_full(tron.left_all_on_counter) = 1 Then
[code]....
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Jul 11, 2011
I am attempting to create a timer that will activate a tick event every 1 second until stopped by an "If" statement. The tick event should then drive a clock measuring time in units of hours, minutes and seconds. The if statements handle the time readout, timer stop and activate another form after a set number of hours have elapsed. I have tried several different methods and while my application is running, it does not add increments to the integers representing the time units, refresh the displayed time units, or perform any of the timer related functions. I assume the cause is that I just don't know as much as I think I do (which isn't much)
Here is the applicable code:
Imports Microsoft.VisualBasic.ApplicationServices
Imports System.IO
Public Class SessionManager
[Code].....
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Dec 2, 2008
I am running an application to control at 1, 10 and 100 Hz to compare their response for a control systems class. I have a timer that reads data from hardware, a timer that updates the screen and does the control, and a timer that writes data to a file. I've been having problems with the speed of the write timer, so I created a buffer.It takes 0 ms to load the buffer, and the buffer is written to file using a synchronized streamwriter and a thread every 100 iterations. It also flips back and forth between two buffers so there are no read/write conflicts.If I try to run at 10 Hz, the timer executes on average every 109 ms. If I try to run at 100 Hz, the timer executes on average ever 15-16 ms.
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Apr 8, 2010
I an trying to modify a queue within the tick event of a timer. Is this even possible? A sample follows:
Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
Dim NewQueue As New Queue(Of String)
NewQueue.Enqueue("alpha")
NewQueue.Enqueue("beta")
[code]....
create a looping display (first "alpha", then "beta", etc.). What's missing? Also, why can I declare the Queue outside of a sub, but I can't fill it there as well (enqueue)?
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Feb 12, 2010
I'm writing a metronome program (a.k.a. click track; it's used for keeping you in time in music), and can't for ther life of me figure out how to play a sound byte (a short beep) as the beat.
I know I need to place this code in the Timer Tick event, but I just have no idea how to import/reference etc. the sound.
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Feb 3, 2011
1.) I would like to cause a Timer.Tick event in code. I know you can use PerformClick to cause a Click event. Is there a way to do the same with a timer?
2.) I have several "TextBoxes" listed as being on a "Form" but they cannot be seen. I have copied and pasted these during the design phase but have renamed the copies since. Is there a way to purge the unseen TextBoxes?
Hint: If you have "Windows 7", at the desktop, press <CTRL><SHIFT> and Rotate the Wheel on the Mouse. This will re-size the Icons on the desktop. "THIS ALSO WORKS IN THE VB2010 IDE" and allows you to Zoom the code window.
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Oct 21, 2009
I'm trying to make my application react the way I want if the internet connection goes down, because the application need a permanent internet connection to work properly. This also includes if the server my program is trying to connect to goes down/stops or something.
What I want is that if a exception occures when trying to connect to the server, i calls a sub wich stops all timers, disables some buttons and comboboxes. At the same time it starts a new timer named "retrytimer". The retrytimer checks every fifth second if the connection is re-established. If it is, it activates all the controls and disables itself.
For some reason, the retrytimer tick-event never occures. I've tried inserted a breakpoint on the first line of the event-sub, but it never hits. If I check the enabled-property of the timer, it is set to "true". Why does this happen?The timer is made in the design window, and it's default enabled-property is set to false.Here is my sub wich deactivates some controls and starts the timer:
vb.net
Private Sub connectionLost(ByRef errnr As Integer) connected = False If starttimer.Enabled Then starttimer.Enabled = False If resulttimer.Enabled Then resulttimer.Enabled = False If radioposttimer.Enabled Then radioposttimer.Enabled = False If runningtimer.Enabled Then runningtimer.Enabled = False
[Code]...
But here is the funny part! If I start the application without a internet connection, everything works the way I want. But if I disable the internet connection in the middle of my program, it acts as described. The lasts messagebox in my connectionLost-sub are shown, and the timer is set to enabled = true.
Does anyone have a clue? EDIT: I think I've narrowed down the problem quite a bit.It seems like the timer won't work correctly if the connectionLost-sub is called from within a BackgroundWorker. If it is called from something else than inside a BackgroundWorker, it seems to work the way I want.
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Apr 26, 2010
I am using timer.tick in my function, which reads data from a hardware at a interval given in tick. It is accepting the minimum interval of 1ms. Is there any way to run the tick in the interval of microseconds.
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Jun 9, 2012
it is possible to force the timer to do the code within the tick event before the delay.In other words..Usually the timer when starts it delays 'x' seconds according to the interval settings then process some codes then delay again 'x' seconds.What I want here is to do the code then delays 'x' seconds.
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