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Asp Dropdownlist Clear Selection Not Working


How can I claim compensation? The value (SelectedValue) for these items would be 6 and 1 respectively. Ant help would be appreciated! Are there any special rules when making a substitution in an integral? navigate here

We are rerouting this issue to the appropriate group within the Visual Studio Product Team for triage and resolution. All rights reserved. It doesn't work...the DropdownList seems to be reset to it's previous selection by the cache. Join them; it only takes a minute: Sign up DropdownList reset to to index 0 on load up vote 3 down vote favorite How would I reset my asp:DropDownList element (which http://forums.asp.net/t/1396296.aspx?DropDownList+ClearSelection+not+working

How To Clear Dropdownlist In Asp.net Using C#

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. Previous examples of large scale protests after Presidential elections in US? By default, dropdownlist have first item as selected item.So when i select another items it returns the first index only. Why are progress bars so inaccurate?

I find it's best to have: this.myDropDownList.Items.Add(new ListItem("Please select...", "")); This way I convey to the user that they need to select an item, and you can check SelectedIndex == 0 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 Did this post help you? Clear Selected Item In Dropdownlist C# Perhaps -1 is valid just for getting and not for setting the index?

Does 'noel' really have its origin in Latin? Should I report it? A more detailed explanation for the resolution of this particular item may have been provided in the comments section. 5 0 Sign into vote ID 666808 Comments 4 Status Closed Workarounds his comment is here These specialized experts will follow-up with your issue.

MathSciNet review alert? C# Dropdownlist Clear Selection In the same time, at http://msdn.microsoft.com/en-us/library/system.web.ui.webcontrols.dropdownlist.selectedindex(VS.80).aspx we see: Use the SelectedIndex property to programmatically specify or determine the index of the selected item from the DropDownList control. Home Bookstore/E-Books P2P Programmer Forums Wrox Blogs Connect with Wrox Code Resources International IT Certifications Navigation Register Now View Active Topics View Archives View Unanswered Topics Wrox Programmer Forums Quine Anagrams! (Cops' Thread) The case of the Stairs Extract csv from .shp files?

How To Clear The Selected Value Of Dropdownlist In C#

Sharif #7 (permalink) February 20th, 2012, 10:17 PM Imar Wrox Author Points: 70,567, Level: 100 Activity: 100% Join Date: Jun 2003 Location: Utrecht, Netherlands. Or should I not use selectedvalue to set the defaultvalue of the dropdownlist? protected void Page_Load(object sender, EventArgs e) { int How To Clear Dropdownlist In Asp.net Using C# Join them; it only takes a minute: Sign up Dropdownlist Reset SelectedValue up vote 0 down vote favorite I have a DropDownList connected to an ObjectDataSource. Clear Selected Value Dropdownlist Jquery Now I am having another problem, the countries DropDownList, 'ddlCountry', is now only displaying Indexes, NO names for the countries.

Welcome to the p2p.wrox.com Forums. So, to fix the both problem, I, myself, amended the code like below: [ Please Select Country /] Now it's working fine. How does Berlin Transport Validation Stamp mark current date and/or expiry date? It's not possible to have no item selected in a web drop down list as you would on a WinForm. How To Clear Selected Item In Dropdownlist In Jquery

Do I need a transit visa to travel through Beijing to Melbourne? What does the actual path of air within a turbojet engine look like? Setting SelectedIndex to -1 is of no avail, so far. SOLUTION Add AppendDataBoundItems="False" to your dropdownlist.

Not that is should make a difference but I put this command int he "If Page.IsPostBack = False" statement –Andrew Mar 23 '09 at 17:47 also..i assume you mean Dropdownlist Selected Value Not Changing Asp Net asked 3 years ago viewed 66488 times active 5 months ago Upcoming Events 2016 Community Moderator Election ends Nov 22 Get the weekly newsletter! In one of my pages, SignUpDetail.aspx, I've added a DropDownList control called ‘ddlCounty', which is using a connection string called ‘MyPeopleConnectionString1' to connect to a SQL 2005 Database table called ‘dbo.Countries'.

It's now clear to me.

In it, you'll get: The week's top questions and answers Important community announcements Questions that need answers see an example newsletter By subscribing, you agree to the privacy policy and terms share|improve this answer answered Sep 17 '08 at 8:52 bryansh 27627 add a comment| up vote 2 down vote The selectedIndex can only be -1 when the control is first initalised I guess that your CountryId's and SelectedIndex are similar and make you confused! Cannot Have Multiple Items Selected In A Dropdownlist. asked 1 year ago viewed 414 times active 1 year ago Upcoming Events 2016 Community Moderator Election ends Nov 22 Get the weekly newsletter!

Let me give little bit more information about this problem. Is adding the ‘tbl’ prefix to table names really a problem? Citing work with a publication year in the future How does Gandalf end up on the roof of Isengard? Submit Attach a file Microsoft Connect Terms of Use Trademarks Privacy Statement © 2016 Microsoft Please wait...

The backing store for list items is the ListItemCollection. After reading this entire thread, I think when you said "I get the index back from SelectedValue", my guess is that you meant you get back the value but wanted the Protected Sub ddl1_SelectedIndexChanged(ByVal sender As Object, ByVal e As EventArgs) ddl2.Items.Clear() ddl2.DataSource = sql2 ddl2.DataBind() End Sub QUESTION How to get items present in an asp:dropdownlist to clear before new values