Getting Control That Fired Postback In Page_init?
Mar 19, 2010
I have a gridview that includes dynamically created dropdownlist. When changing the dropdown values and doing a mass update on the grid (btnUpdate.click), I have to create the controls in the page init so they will be available to the viewstate. However, I have several other buttons that also cause a postback and I don't want to create the controls in the page init, but rather later in the button click events.
How can I tell which control fired the postback while in page_init? __EVENTTARGET = "" and request.params("btnUpdate") is nothing
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Jul 4, 2010
On postback, how can I check which control cause postback in Page_Init event.
protected void Page_Init(object sender, EventArgs e)
{
//need to check here which control cause postback?
}
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Oct 28, 2010
I am using a baspage class for my session checking by the following code
[Code]....
My rest of the pages are being inherited from above basepage class. but the problem is that all the pages inherited from basepage class are not firing the event Page_Init...?
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Jun 13, 2010
i was debugging a test page when i noticed that its init and load event handlers are being called twice.
i found out by search that this may arise due to some html tags which im not using in my page,
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Jan 8, 2010
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Jul 28, 2010
I have a gridview control with some linkbuttons in.
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How would i go about doing this, if it is even possible?
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Sep 23, 2010
I am having a problem with web pages in a .Net site where the Page_Init is firing on each postback rather than the normal behavior (Page_Init fired initially, and only Page_Load fired on postbacks)
Several comments:
1. AutoEventWireup is set to false on all pages, with a "Handles Me.Init" set on Page_Init. All events are defined with the "Handles" verb as shown below
2. Each web page is subclassed to a parent class which provides strongly-typed access to the contents of session variables.
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Partial Public Class SamplePage
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Apr 9, 2010
I do some dynamic stuff with UpdatePanel controls and it would be great to store stuff in a Session key and be able to grab it immediately with confidence in a Page_Init. Fantasy e.g.,
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Mar 30, 2010
During Asynchronous postback (Ajax) will Page_PreInt() ,Page_Init(),Page_Load() events fire again?
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Jul 5, 2010
asp.net 4.0 vs2010
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Jan 10, 2010
I want to add event handlers programmatically to the server controls rather than using their predefined OnClick properties, etc. But which would be considered a better practice for defining handlers:
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Jun 29, 2010
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Jan 13, 2011
On Button click(postback), my dropdownlist of gridview is getting blank, so i m getting error of "Object Reference...." on the line "ddl.selecteditem.value"Also, dropdownlist's selectedindexchanged event is fired on Button Click(Page Postback), which is making the dropdownlist to go blank. AutoPostBack of dropdownlist is set as False,
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Sep 24, 2010
Why is it that the aspx.net system fires all the TextChanged event (for a slider) to a value of 0, when you did not originally set any values?
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Mar 7, 2011
I am using ASP button its working properly at client side but on server side its not firing.
<div style="text-align: center">
<div>
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</div>
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function LogInUser()
{
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var Password = document.getElementById("<%=txt_Password.ClientId%>").value;
[Code]....
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Jul 30, 2010
I am building my first user control and am facing the following issue: my host page calls the user control:
protected
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Feb 12, 2010
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[Code]....
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End Sub
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Nov 12, 2010
I have usercontrol which has required field validation in it. I have 2 instances of this usercontrol in single web page . Now if I click button on first usercontrol the validation messages are fired for 2 user controls. But only the required fields of that user control has to be fired.
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I've some problem using custom control inherited from ImageButton in Update panel.
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Jun 30, 2010
a problem with firing click event when asp:button control is click on IE8. Its properly postedback but when i click button in IE8, it does'nt do any thing. After review on mouseover on button the the following type link showing on button pagename.aspx?vid=18 on next click it incremented pagename.aspx?vid=18&vid=18 and so on. How can i fix button problem in IE8.
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I have a user control that displays some database records when I first hit the page. When I click the submit button the page load event fires again, loading the user control again. Then the button click event fires inserting a new row in the database which is not shown on the page because the user control already did its stuff. If I could get the user control to do its stuff after the button click event I could then see the newly inserted row. I can do this by pulling the code out of the button click event and sticking it in the page load event. However, I think that would be bad code flow. How can I get the user control to do its stuff after the button click event has fired?
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Jan 4, 2010
I am begier in AJAX.
I taken one Accordian Cotrol.
In side that I have taken Accordion Pen Control.
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how should I do so the button click event is get called?
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Dec 20, 2010
I have a Gridview which contains templated column that has 5 checkboxes in it. When you click on one checkbox, I want to uncheck the other 4.
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[code]....
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Aug 3, 2010
I have an update panel on the parent page into which I load and remove a set of user controls.
Now, when a button is pressed on the user control, the events are fired but there are no changes in the page. For example:
Main Page
<updatePanelMain>
<childcontrol1>
<childcontrol2>
etc
ChildControl.ascx
<update panel 1>
<panel1/>
<panel2/>
<btn1/>
etc
So, if I want to hide panel 1 when btn1 is clicked etc, I simple use code such as panel1.visible = false.
All this gets executed but nothing happens to the page.
<asp:UpdatePanel ChildrenAsTriggers="false" UpdateMode="Conditional" ID="updatePanel"
runat="server" EnableViewState="true">
<Triggers>
<asp:AsyncPostBackTrigger ControlID="btnSubmit" EventName="Click" />
</Triggers>
<ContentTemplate>
However, when I use placeholders instead of update panels in the child controls, I dont face any such problems.
<asp:PlaceHolder ID="placeholderTypeOfInvestor" runat="server">
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Jun 4, 2010
how to call LoadDynamicControl() when btnPopUp was click?
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
//..........
}
LoadDynamicControl(); // if i don't call this function here,i cannot find control to update,but if i call it here. It's will fire with any event.
}
protected void btnPopUP_Click(object sender, EventArgs e)
{
ModalPopupExtender1.Show();
}
protected void btnUpdate_Click(object sender, EventArgs e)
{
updateproductParameter();
ModalPopupExtender1.Show();
}
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