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Asp.net Dropdownlist Events Not Working


That means, it comes to the Page Load again on selection of any Option and calls the BindDropDownList(). Eg: share|improve this answer answered Feb 5 '11 at 6:06 Vyas Dev 4,885153958 3 Well, that seems to have fixed it, thank you. If there was a hard-coded list item it worked as expected but not if it was just bound to a datasource. Abuse Reply Duplicate Broken Link Report Cancel Mark Unsatisfactory Once you mark this reply as Not Satisfactory, it will get deleted and you will not be able to view this reply. have a peek at this web-site

So change the code as follows: EnableViewState="false" OnSelectedIndexChanged="ChangeRole_SelectedIndexChanged" AutoPostBack="true" ToolTip='<%# Bind("UserName") %>' > Make sure you don't populate the Gridview in the Page_Load as it will fire before the SelectedIndexChanged. How to make a good diagram arrow How can I safely handle a concentrated (fuming) nitric acid spill? This is being served from a Windows Server 2003 R2 machine, running ASP.Net with the .NET Framework version 4.

Dropdownlist Selectedindexchanged Not Firing Asp.net C#

I guess I can just try to bind this ddl to an objectdatasource. All rights reserved. As the DropDownList is bound again, so the SelectedValue is now the first Option Value, which is "-1" (for "Select Option"). Not really but is the "protected virtual void MyListIndexChanged" from the link My LinqDB Sub !?

Isent it something in my Sub SortBy_SelectedIndexChanged or/and Sub LinqDB thats wrong !? What is the more appropriate adjectival form of Trump? And there is no doubt on the first Option value "-1", as we can clearly see from the Source HTML of the DropDownList. Selectedindexchanged Event Of Dropdownlist In Asp.net C# Not Working See more: event DropDownList I m populating subcategory dropdown fom category dropdown.

Reply vinz All-Star 102041 Points 19417 Posts MVP Re: SelectedIndexChanged event of dropDownList not firing Sep 09, 2008 01:19 PM|vinz|LINK Have you tried setting a break point at the SelectedIndexChaged event Dropdownlist Selectedindexchanged Event Not Firing In Updatepanel I'm a beginner, to be sure, but > I've > > > looked through all the code and for every occurance of dropdownlist1, > > there > > > is a protected void Page_Load(object sender, EventArgs e) { BindDropDownList(); } Now, according to the Event Life Cycle rules, when you select an Option from DropDownList, it Posts Back and goes to Page https://msdn.microsoft.com/en-us/library/system.web.ui.webcontrols.dropdownlist_events(v=vs.110).aspx Lab colleague uses cracked software.

Reply danievh None 0 Points 2 Posts Re: SelectedIndexChanged event of dropDownList not firing Oct 01, 2010 03:22 AM|danievh|LINK Most obvious reason I found for this problem is that if the Dropdownlist Selectedindexchanged Javascript If you need to get the SelectedValue, then you will write… protected void ddlDropDownId_SelectedIndexChanged(object sender, EventArgs e) { string value = ddlDropDownId.SelectedValue; } Now Here Comes the Main Issue When we Disclaimer: This site is started with intent to serve the ASP.Net Community by providing forums (question-answer) site where people can help each other. protected void ddlleavetype_SelectedIndexChanged(object sender, EventArgs e) { *************** *********** **** } share|improve this answer edited Jul 2 '13 at 7:26 Robert Longson 51.6k993113 answered Jul 2 '13 at 5:30 user2541273 311

Dropdownlist Selectedindexchanged Event Not Firing In Updatepanel

asp.net drop-down-menu selectedindexchanged share|improve this question edited Jan 4 '13 at 7:41 hims056 18.1k1764102 asked Feb 5 '11 at 6:01 TGP1994 1,04531026 Folks, an answer has already been given https://taditdash.wordpress.com/2014/05/21/why-dropdownlist-selectedvalue-not-working-inside-selectedindexchanged-event/ I guess I was populating the list too late. -Mike "David Wier" wrote in message news:e1RKw6GWDHA.1368TK2MSFTNGP11.phx.gbl... > Check out this code sample and see if it can give you any Dropdownlist Selectedindexchanged Not Firing Asp.net C# drop down DropdownList selection drop down dropdownlist autopostback DropdownListist Postback "asp.net" Reply rakhi143 Member 4 Points 34 Posts Re: SelectedIndexChanged event of dropDownList not firing Jul 01, 2010 05:03 PM|rakhi143|LINK Hi Onselectedindexchanged Not Firing Gridview What is the point of update independent rendering in a game loop?

There are unique values in the dropdownlist and autopostback is set to true. CodeProject Share this:TwitterFacebookGoogleLinkedInPinterestTumblrEmailLike this:Like Loading... Should I report it? if the state of the drop down is being forgotten between postbacks then the index wont have changed, hence the SelectedIndexChange event not firing. Asp.net Dropdownlist Selectedvalue Not Changing

Your Email Password Forgot your password? That didn't work either –Robbie Vercammen Nov 18 '12 at 23:09 1 stackoverflow.com/questions/341080/… –Aram Beginyan Nov 19 '12 at 0:04 Good info, but this didn't solve my problem... Linux questions C# questions ASP.NET questions fabric questions SQL questions discussionsforums All Message Boards... Just curious...

Send to Email Address Your Name Your Email Address Cancel Post was not sent - check your email addresses! Dropdownlist Events In Asp.net Using C# What I found was when the listitems were generated through a loop in the codebehind file and I didn't explicitly set one to SELECTED, the SelectedIndexChanged event never fires. I have the autoPostBack set to true and when the value changes the page does post back (because the Page_Load) event fires but the selectedIndexChanged event does not fire.

Reply kautuk None 0 Points 1 Post Re: SelectedIndexChanged event of dropDownList not firing Mar 30, 2010 03:04 AM|kautuk|LINK @All Hi guys for me it was a problem of ViewState.

But if there are 20 items per > page, > > then the second dropdown list will have only 10 items. > > > > I hope that makes sense. Hope fully this helps someone :) SelectedIndexChanged Reply tmorgan None 0 Points 4 Posts Re: SelectedIndexChanged event of dropDownList not firing Jun 15, 2010 01:04 PM|tmorgan|LINK I just spent about two and set the updatemode of update panel to always like this Or set a trigger which handles the SelectedIndexChanged event of the DropDownList. Drop Down Selected Index Changed Event C# Not Working 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

Was This Post Helpful? 0 Back to top MultiQuote Quote + Reply ← Previous Topic ASP.NET Next Topic → Page 1 of 1 Related ASP.NET TopicsbetaButton Click Event Not FiringButton Private Sub DropDownList2_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles DropDownList2.SelectedIndexChanged Trace.Warn("dropdownlist2 was called") Response.Redirect("threads.aspx?ipage=" & Val(DropDownList2.SelectedValue) & "&pagesize=" & Val(DropDownList1.SelectedValue)) End Sub Joe Bleaux Guest August 1st,08:09 PM #5 Modified code would look something like below: protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { BindDropDownList(); } } So, Be Careful and Share This to Save Someone’s Day !!! Confirm Cancel Reason Submit Cancel Likes Quote Google+ | FaceBook | Privacy Policy | Glossary | Contact © 2016 www.aspforums.net All rights reserved.

EnableViewState is set to true.

Protected Sub ddlAddDepPlans_SelectedIndexChanged(ByVal sender As It shows how to make a DropDownList do a postback from within a Repeater. It tells you whether you are loading the Page for the first time or is it a Post Back due to any Event. The event does fire for another dropdownlist in the exact same modalpopup but that is bound to an objectdatasource rather than being bound in code.

Posted 15 January 2011 - 06:28 AM Did you look at my link? Fix? Walk Through Let’s declare a DropDownList first. Now to bind the DropDownList, we will write one function like below… private void BindDropDownList() { // Declare This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL) Top Experts Last 24hrsThis month OriginalGriff 190 ppolymorphe 100 Dave Kreskowiak

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