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Autopostback Is Not Working For Dropdownlist

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tim   Friday, January 27, 2006 2:51 AM Reply | Quote 0 Sign in to vote We had same kind of a problem yesterday: the SelectedIndexChanged event of a radiobuttonlist did The event handler will run the event on the next postback occurred) Just remember that you MUST turn off AutoEventWireup in order to use this workaround. Not the answer you're looking for? Is there any setting other than Autopostback that I need to set? weblink

In the HTML window, this is underlined in red as invalid but, of course, you never see this if you are editing in Design view and just looking at that and Worked fine in 2003, after reading your post, I moved a javascript function to be the first script block on the page - before a vbscript function, then my dropdownlist worked SelectedIndexChanged not firing on my project. i just made form and set one dropdownvlist autopostback property to true which changes other dropdownlist values IT was working fine before i created a master page but when i connected http://forums.asp.net/t/1687163.aspx?Autopostback+not+working

Dropdownlist Autopostback True Doesn T Work

It's quick & easy. I simply added AutoPostBack="true" in the DropDownList HTML code and it really worked. I would suggest trying first the dropdownlist AutoPostBack = true, and see if this works for you without the JavaScript solution. Can Newton's laws of motion be proved (mathematically or analytically) or they are just axioms?

After setting the AutoPostBack property to true, the event started firing. Friday, July 11, 2008 8:54 PM Reply | Quote 0 Sign in to vote This was really helpful. I have 2 dropdownlists in my page. Theform.submit Is Not A Function Wednesday, August 27, 2008 6:17 PM Reply | Quote 0 Sign in to vote  vijayanand_mohan_903ca4 wrote: Thanks a lot Friends,                                 Solved the problem by setting AutoPostBack value to TRUE in

Since the value on each item is the same, in this case blank. Asp.net Selectedindexchanged Not Firing When the user selects the country as United States, I want the second dropdownlist to show all the states in US, otherwise I want the state dropdown to be disabled. VP Proposed as answer by vpisk Thursday, June 10, 2010 3:36 PM Thursday, June 10, 2010 3:35 PM Reply | Quote 0 Sign in to vote I ran into the same http://stackoverflow.com/questions/8099848/dropdownlist-not-posting-back-even-with-autopostback-set Thanks, man!

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 Dropdownlist Postback Not Working I created a new project and tested this with a simple web page. Let us know if you find the solution through the code behind. Last modified on Jun 01, 2010 at1:23AM spivonious Are there any items in the list?

Asp.net Selectedindexchanged Not Firing

and was able to simulate u r issue to my amazement not only selectedindexchanged event of dropdown but even any button present in masterpage were not posting back the page finding Reply shan000 Member 142 Points 564 Posts Re: Autopostback not working Jun 07, 2011 02:41 PM|shan000|LINK venkatu2005 Everything is fine on the master page , Try to delete the dropdownlist and Dropdownlist Autopostback True Doesn T Work Making A Solid Mesh Melt? Dropdownlist Autopostback Not Working Updatepanel Should I have doubts if the organizers of a workshop ask me to sign a behavior agreement upfront?

I'm doing it this way (rather than data bound objects, etc) for a specific reason, so would like to make this code work for me. have a peek at these guys Wednesday, August 20, 2014 9:13 PM Reply | Quote Microsoft is conducting an online survey to understand your opinion of the Msdn Web site. now its fine..   Saturday, March 17, 2007 6:39 AM Reply | Quote 0 Sign in to vote Same problem here. But whenever I change the selection in the country dropdown, nothing happens. Updatepanel Dropdownlist Selectedindexchanged Not Firing

Browse other questions tagged c# asp.net updatepanel autopostback or ask your own question. Hema's solution worked out. It should be done where it is intended to. http://sohohosting.net/t-work/autopostback-in-dropdownlist-not-working.html i have not used updatepanel in master page venkatu2005 Just place the dropdownlist inside updatePanel like this Reply shan000 Member 142 Points 564 Posts

Join them; it only takes a minute: Sign up ASP.NET DropDownList AutoPostback Not Working - What Am I Missing? Most recently, I tried to register the client-side onChange event in the codebehind and turned off the AutoPostBack. Reply venkatu2005 All-Star 20753 Points 6706 Posts Re: Autopostback not working Jun 07, 2011 02:40 PM|venkatu2005|LINK Everything is fine on the master page , Try to delete the dropdownlist and drag

Just one thing to mention...

I have updated the App_Browser files from here http://www.hanselman.com/blog/BugAndFixASPNETFailsToDetectIE10CausingDoPostBackIsUndefinedJavaScriptErrorOrMaintainFF5ScrollbarPosition.aspx Here is the code: Dropdownlist in Default7.aspx protected void Page_Load(object sender, EventArgs e) { if (!Page.IsPostBack && !Page.IsCallback) { filldropdown1(ddl1); } } 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. That took a while to find!   Fixed it with:   int i=0; DropDownList ddTPS = new DropDownList();

foreach (DataRow dr in TPSData.Rows)

{ ddTPS.Items.Add(new ListItem(dr["TPS"].ToString(), i /*Be sure this the Reply shan000 Member 142 Points 564 Posts Re: Autopostback not working Jun 07, 2011 01:08 PM|shan000|LINK venkatu2005 Check whether you keep the Content page insidet the updatepanel on Master page.

Thanks for your help. :) Tuesday, August 04, 2009 10:31 AM Reply | Quote 2 Sign in to vote I also tried all the options mentioned on this page but nothing Lets Share with all other membera and let them know so they may visit their too.

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My misstake was that I hadn't set the attribute AutoPostBack="True" on the dropdownlist. http://sohohosting.net/t-work/autopostback-asp-net-not-working.html I created a new project and tested this with a simple web page.

share|improve this answer answered Nov 11 '11 at 20:58 Josh Mein 17k86072 Yes it gets re-bound on page_load, but only because it's not setting IsPostBack to true when it To start viewing messages, select the forum that you want to visit from the selection below. Then in the form_load event I would put this line to tell the dropdown which is the selected item: ddlProblematicOne.SelectedIndex = CType(selIndex.Value, Integer) Good Luck! I think I've found a definitive cause for this and a workaround.

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) the script is not under contantplaceholder. Microsoft reserves all rights associated with the materials on this site. That fixed it for me.EAS Proposed as answer by BethSflt Wednesday, April 18, 2012 11:29 PM Wednesday, April 18, 2012 11:29 PM Reply | Quote 0 Sign in to vote Don't

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 Armistice Day Challenge Understanding which string breaks when one pulls on a hanging block from below Encasing a star in a perfect insulator more hot questions question feed default about us I can't understand why the SelectedIndexChanged event won't fire. What could be going on to hyjack the AutoPostBack and the __doPostBack to make it look and act like a "Server Transfer"?

FYI I am running VS 2008 Web Developer Express. Also rather than adding them one by one you could set a DataSource. –andrewb Oct 15 '13 at 22:07 Is there any form validation going on in this page? Developer resources Microsoft developer Windows Windows Dev Center Windows apps Desktop Internet of Things Games Holographic Microsoft Edge Hardware Azure Azure Web apps Mobile apps API apps Service fabric Visual Studio Music notation software for ubuntu PPM File Modifier Word for a non-mainstream belief accepted as fact by a sub-culture?

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share|improve this answer answered Jul 17 '09 at 0:27 matt j crawford add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Monday, April 06, 2009 7:13 PM Reply | Quote 0 Sign in to vote It seems that this event will only fire if the Value property changes.... Let me know if the above doesn't work.Thanks,Scott MorrisonWindowsForms PMMicrosoft Corp.

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