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Asp.net Dropdownlist Clearselection Not Working

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this DropDownList is within an UpdatePanel. How to get previous selected item and current selected item from dropdownlist using Javascript? Possible repercussions from assault between coworkers outside the office GO OUT AND VOTE Join lists by observing x-value Can I sell a stock immediately? asked 6 years ago viewed 16603 times active 2 years ago Upcoming Events 2016 Community Moderator Election ends Nov 22 Linked 0 why an item is selected in the dropdown?

Understanding which string breaks when one pulls on a hanging block from below Alternate options for symbolic links (ln) union of subset and span proof MathSciNet review alert? Let's work to help developers, not make them feel stupid. It is just frustrating that ClearSelection is in the documentation and does not work as described. DETAILS ATTACH A FILE EDIT THIS ITEM Assign To Item can only be reassigned when it is active. look at this web-site

How To Clear Dropdownlist In Asp.net Using C#

Does the Rothschild family own most central banks? Please enter a comment. Blog Sign in Join ASP.NET Home Get Started Learn Hosting Downloads Community Overview Community Spotlight Articles of the Day What's new Community Blogs ASP.NET Team Events Hall Of Fame MSDN Samples How can I claim compensation?

Application Lifecycle> Running a Business Sales / Marketing Collaboration / Beta Testing Work Issues Design and Architecture ASP.NET JavaScript C / C++ / MFC> ATL / WTL / STL Managed C++/CLI share|improve this answer answered Sep 17 '08 at 9:10 Alex add a comment| up vote 2 down vote I'm pretty sure that dropdown has to have some item selected; I usually Or should I not use selectedvalue to set the defaultvalue of the dropdownlist? protected void Page_Load(object sender, EventArgs e) { int C# Dropdownlist Clear Selection If the control is databound and a SelectedValue is set programatically and then the control is databound again with datasource that does not contain the same value an exception is thrown. There

My issue is the data that is already present in ddl2 does not clear before appending the new data so ddl2 content just continues to grow every time ddl1 is changed. Please enter a workaround. Ant help would be appreciated! http://stackoverflow.com/questions/10122696/dropdownlist-reset-selectedvalue What to do when your opponent doesn't play along in the opening?

US Election results 2016: What went wrong with prediction models? Asp Net Reset Dropdownlist Linux questions C# questions ASP.NET questions fabric questions SQL questions discussionsforums All Message Boards... Privacy Statement| Terms of Use| Contact Us| Advertise With Us| CMS by Umbraco| Hosted on Microsoft Azure Feedback on ASP.NET| File Bugs| Support Lifecycle current community chat Stack Overflow Meta Stack I am using Framework 3.5 with AJAX, i.e.

How To Clear The Selected Value Of Dropdownlist In C#

asked 2 years ago viewed 5782 times active 2 years ago Upcoming Events 2016 Community Moderator Election ends Nov 22 Related 113Asp.net - Add blank item at top of dropdownlist466How do http://stackoverflow.com/questions/81214/dropdownlist-selectedindex-1-problem How do unlimited vacation days work? How To Clear Dropdownlist In Asp.net Using C# asked 4 years ago viewed 18273 times active 4 years ago Upcoming Events 2016 Community Moderator Election ends Nov 22 Visit Chat Related 2Bind SelectedValue of ASP.net DropDownList to custom object0SelectedValue How To Clear The Selected Value Of Dropdownlist In Jquery When answering a question please: Read the question carefully.

Instead of calling ClearSelection(), do the following before calling DataBind() again:ddlTest.Items.Clear();ddlTest.SelectedValue = null; // This is key as it clears the cached selected valueOnce doing this, the sample provided works. Submit Posted by Microsoft on 9/11/2011 at 12:23 AM The issue is caused by the fact that calling ClearSelection() is not enough to clear the internally cached values of the selected Please enter a comment.Allowed tags: blockquote, a, strong, em, p, u, strike, super, sub, code Verification: Copyright © Shahed Khan | Powered by: GeeksWithBlogs.net | Join free Popular Posts on Geeks Perhaps -1 is valid just for getting and not for setting the index? Reset Dropdown List C#

A question on the terminal in ubuntu Possible repercussions from assault between coworkers outside the office Join lists by observing x-value Code ladder, Robbers Delimiters around Array Are there any special i.e. Adding the extra option wouldn't work unless you set the AppendDataBoundItems to true and then if you bind again you would have to do the Clear() anyway to make sure you Did I cheat?

Animated plot required to leave behind trace US Election results 2016: What went wrong with prediction models? Clear Selected Item In Dropdownlist C# What is the meaning of "barnet front"? If this issue is urgent, please contact support directly(http://support.microsoft.com) Sign in to post a workaround.

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TOP TIP Still want a default list item adding to your dropdown but need to rebind data? Left by harry on Sep 07, 2009 10:12 PM Your comment: Title: *So what is this about? Isn't AES-NI useless because now the key length need to be longer? How To Clear Selected Item In Dropdownlist In Jquery What are some ways that fast, long-distance communications can exist without needing to have electronic radios?

The problem is that the SelectedValue remains set and the Selected property of the last selected item is still true after I call ClearSelection and/or set SelectedIndex to -1. asked 8 years ago viewed 61179 times active 4 years ago Upcoming Events 2016 Community Moderator Election ends Nov 22 Related 5DropdownList.selectedIndex always 0 (yes, I do have !isPostBack)0Access DropDownList.SelectedIndex in What is the meaning of "cow in the middle"? How can I do that.

Why are progress bars so inaccurate? What is the more appropriate adjectival form of Trump? Its a new one on me. If nothing has been selected, the value of the property is -1.

Is there any way for a planet orbiting a red dwarf in the habitable zone to not be tidally locked? Join them; it only takes a minute: Sign up how to clear ASP.net DropDownList show previous selected item up vote 0 down vote favorite please help me how to recover it. Segundo Serrano P. Hot Network Questions Quine Anagrams! (Cops' Thread) Armistice Day Challenge Why Would the President-elect have a Transition Visit before December 19?

Should I report it? If so, I will use your 'patch'. asked 3 years ago viewed 66488 times active 5 months ago Upcoming Events 2016 Community Moderator Election ends Nov 22 Related 2How to add Item to SqlDataSource databound list7How to set What is the meaning of "barnet front"?

How do unlimited vacation days work? Word for a non-mainstream belief accepted as fact by a sub-culture? All rights reserved. Otherwise the item insertion does not happen.

Left by hmkjr on Apr 07, 2009 6:14 AM # re: ASP.NET Tips: DropDownList.ClearSelection() to avoid "Cannot have multiple items selected in DropDownList" Good Tip!Alternatively, you could code it this way Atari 2600 high voltage output What is the meaning of "cow in the middle"? Source Error: An unhandled exception was generated during the execution of the current web request. Not the answer you're looking for?

Why were pre-election polls and forecast models so wrong about Donald Trump?

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