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Asp.net Dropdown Autopostback Not Working

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Hi, i removed and added dropdownlist again but i came to know that it is not firing when i inserted breakpoint. Wednesday, May 06, 2009 5:38 PM Reply | Quote 0 Sign in to vote Good, I am not the only one with this problem.  Or bad, take your pick.I see the How? What is UpdateCor()? navigate here

it is already set to true. from what i have learned during my trials, any postback will trigger the SelectedIndexChanged event for a ddl.and when there is more than one ddl on a page and u r In testing, i found that the ddl can't postback the value I selected. when the ViewState is not saved it reverts back to the First Item as the Selected Index. http://forums.asp.net/t/1687163.aspx?Autopostback+not+working

Dropdownlist Autopostback True Doesn T Work

more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed According to this MSDN article (http://msdn.microsoft.com/en-us/library/ms178141(v=VS.85).aspx) based on the results on the page load I'm doing a "Server Transfer" rather than the desired Postback (IsPostBack is false, PreviousPage is, as expected, How? I would suggest trying first the dropdownlist AutoPostBack = true, and see if this works for you without the JavaScript solution.

Citing work with a publication year in the future What is the more appropriate adjectival form of Trump? try in Page_Load or Page_PreRender. this.foobar = "blah"; LoadSomeUnrelatedData(); if (!IsPostBack) { if (_someData == null) { LoadDataWithoutBinding(); } BindMyData(); } } With a breakpoint at //set some variables the Page.IsPostBack is always false even after Theform.submit Is Not A Function Set autopostback="true" on ddls.

end sub Reply nobdy Contributor 3720 Points 1014 Posts Re: Autopostback not working Jun 06, 2011 03:51 PM|nobdy|LINK Can you post aspx code where you added DropDownList? one need to change the Cache Time to 0 at 2 places.... -Module Definition Page -Module Settings Page Thanks again. Browse other questions tagged asp.net drop-down-menu or ask your own question. http://stackoverflow.com/questions/19391914/dropdownlist-selectedindexchanged-not-firing-yes-autopostback-true Friday, June 01, 2007 3:36 AM Reply | Quote 9 Sign in to vote I had the same problem.

Monday, November 08, 2010 5:40 PM Reply | Quote 0 Sign in to vote You must have RadioButtonList Property AutoPostBackset to True Thursday, November 25, 2010 7:35 PM Reply | Quote Asp.net Dropdownlist Selectedindexchanged Without Postback Let me know. –KreepN Nov 11 '11 at 22:09 Thanks for the offer. closely looking at ur code... it is going to work as well.Thanks,Max Yong Tuesday, March 16, 2010 2:24 AM Reply | Quote 0 Sign in to vote @All Hi guys for me it was a problem

Asp.net Selectedindexchanged Not Firing

in the ASP.Net page: in the codebehind: myDDL.Attributes.Add("onChange", "doSomeStuff(this);"); // Done on databind. http://stackoverflow.com/questions/70109/dropdownlist-doesnt-postback-on-selectedindexchanged What can I set/check on the parent control/page to make sure it's allowing postbacks? Dropdownlist Autopostback True Doesn T Work Any way it may have something to do with the way you are adding your items to he drop down (although I got it to working with the way your adding Dropdownlist Autopostback Not Working Updatepanel Which without could be causing problems. .Items.Insert(i, New ListItem("Item-" & i, "Item-" & i)) End With Next End If End Sub Protected Sub dlTest_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs)

MathSciNet review alert? check over here Proposed as answer by Theguru Monday, July 23, 2012 4:54 PM Thursday, March 16, 2006 5:56 PM Reply | Quote 7 Sign in to vote I too was experiencing what others or im the first one. If page_load, I already do check the IsPostBack before binding the data source, but IsPostBack is always false, so it always gets rebound... –Peach Nov 11 '11 at 21:31 Updatepanel Dropdownlist Selectedindexchanged Not Firing

Very weird. asked 5 years ago viewed 9456 times active 5 years ago Upcoming Events 2016 Community Moderator Election ends Nov 22 Related 0AutoPostBack=“true” doesn't work for DropDownList with DataSource0Autopostback and doPostBack conflict2Triggering The problem is when the ID it gets after the postback is not the same ID it got before the postback. http://emhsoft.net/t-work/asp-autopostback-not-working.php If it's just javascript problem, you should be able to see little yellow triangle on the corner of your browser flagging javascript in your page is broken.

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Check logical volume mount point (command line) How can I say “stout”, “lager”, “saison”, and “trappist” in Esperanto? Dropdownlist Postback Not Working Then I deleted the form's OnSubmit property, which called a javascript validation method. If it just works, then possibly some of your origional pages tag got overlapped/not closed so your form is not the parent of the dropdownlist.

If I got rid of the Master page the events worked fine. Turns out we had some vbscript in the header of the Master page file which must have screwed up scripting for

Tuesday, June 10, 2008 1:19 PM Reply | Quote 0 Sign in to vote It seems that if the DDL  elements values are identical, the SelectedIndexChanged event is not fired... We will be always waiting ! :)

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Although its being a first unique website in Pakistan on its way. Friday, August 05, 2011 10:34 AM Reply | Quote 0 Sign in to vote In my case the dropdown was getting filled with an object defined in a class. Asp.net Dropdownlist Autopostback thx Reply kedarrkulkar...

Tuesday, September 20, 2005 8:14 PM Reply | Quote 0 Sign in to vote Hi I have the similar problem w/o the event firing for dropdownlist when i pass a function Tuesday, September 20, 2005 8:14 PM Reply | Quote All replies 0 Sign in to vote Hi fhunter,Have you tried getting it to work ina fresh project? 1) Add a ComboBox2) Join them; it only takes a minute: Sign up ASP.NET DropDownList AutoPostback Not Working - What Am I Missing? http://emhsoft.net/t-work/autopostback-in-asp-net-not-working.php Is there any way for a planet orbiting a red dwarf in the habitable zone to not be tidally locked?

more hot questions question feed lang-cs about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation It looked like an event issue, because it was fired once, and the event binding was in the asp.net page it self, not in the code behind. If this post was useful to you, please Mark it as Answer. Code ladder, Robbers Do electronics distributers test each component before sending them out?

THe dropdown list "AutoPostBack" in the properties window need to set as "True". share|improve this answer answered Sep 16 '08 at 7:46 Chris Roberts 9,73084761 add a comment| up vote 4 down vote if you are populating the dropdown list during page load then Very crucial point that I missed. ASPX page: item 1 item 2 Code-behind (I put a breakpoint on the string assignment to

This is the kind of thing that frightens me as a developer ;) I think I've seen similar before, where VS gets "out of sync" wrt the assembly it's running. Has a movie ever referred to a later movie?