Home > How To > Asp.net Dropdownlist Clearselection Not Working

Asp.net Dropdownlist Clearselection Not Working


Teenage daughter refusing to go to school Extract csv from .shp files? And by selecting any employee i am displaying employee details in gridview from database. Another way to show convergence of alternating series How to respond when someone praises about my Japanese? 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

And clear the list on data change. What is the meaning of "barnet front"? Please enter a comment. Posted by BeenaJain on 6/30/2011 at 3:24 PM I am facing exactly the same problem and looking for solution.

How To Clear Dropdownlist In Asp.net Using C#

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. How do unlimited vacation days work? 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? The backing store for list items is the ListItemCollection.

more hot questions question feed default about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation The case of the Stairs What is the point of update independent rendering in a game loop? share|improve this answer answered Feb 8 '10 at 20:28 Nick Larsen♦ 13.1k54379 1 "You can set the SelectedIndex property to -1" this one did not work I set SelectedIndex property C# Dropdownlist Clear Selection 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.

Can we stop recommend fontspec as first choice in case lualatex is used? Coworker throwing cigarettes out of a car, I criticized it and now HR is involved Dynamically Select Template based on template id field passed in DE Join lists by observing x-value Stack Trace: [HttpException (0x80004005): Cannot have multiple items selected in a DropDownList.] System.Web.UI.WebControls.DropDownList.VerifyMultiSelect() +107 System.Web.UI.WebControls.ListControl.RenderContents(HtmlTextWriter writer) +1825978 System.Web.UI.WebControls.WebControl.Render(HtmlTextWriter writer) +29 System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +25 System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) +121 System.Web.UI.Control.RenderControl(HtmlTextWriter Is there a way to block an elected President from entering office?

The following piece of code will work fine. Asp Net Reset Dropdownlist This results in an exception when I call DataBind();if (IsPostBack || IsCallback) { currentPeriod = ddlPeriods.SelectedValue; } ddlPeriods.ClearSelection();ddlPeriods.SelectedIndex = -1; ddlPeriods.DataTextField = "end_date"; ddlPeriods.DataValueField = "expense_period_id"; ddlPeriods.DataTextFormatString = "{0:d}"; ddlPeriods.DataSource = My cat sat on my laptop, now the right side of my keyboard types the wrong characters Why is the 'You talking to me' speech from the movie 'Taxi Driver' so Isn't AES-NI useless because now the key length need to be longer?

How To Clear The Selected Value Of Dropdownlist In C#

How can I in my method selectedindexchanged "reset" the selectedvalue so you still can choose from the other options? http://stackoverflow.com/questions/81214/dropdownlist-selectedindex-1-problem DETAILS ATTACH A FILE EDIT THIS ITEM Assign To Item can only be reassigned when it is active. How To Clear Dropdownlist In Asp.net Using C# Cannot have multiple items selected in a DropDownList Error Cannot have multiple selected items in dropdown list Cannot select multiple items from listBox. How To Clear The Selected Value Of Dropdownlist In Jquery Here is what I am doing: protected void Page_Load (object sender, EventArgs e) { this.myDropDownList.SelectedIndex = -1; this.myDropDownList.ClearSelection(); this.myDropDownList.Items.Add("Item1"); this.myDropDownList.Items.Add("Item2"); } The moment I add an element in the DropDown, its

drop-down-menu asp.net-3.5 share|improve this question asked Feb 8 '10 at 20:25 Eyla 1,9811653100 add a comment| 6 Answers 6 active oldest votes up vote 14 down vote accepted You can add DropDownListTest.SelectedIndex = 12; Hope this saves some of your time. Are you calling wrong method to select a value? You can directly write this code in DropDownList.SelectedIndexChanged() event. –Atanu Roy Jun 12 '15 at 11:20 I think the listBox should be binded in !PostBack, so that it should Reset Dropdown List C#

Terms of Service Layout: fixed | fluid CodeProject, 503-250 Ferrand Drive Toronto Ontario, M3C 3G8 Canada +1 416-849-8900 x 100 Not the answer you're looking for? I used a solution that I happened to already have on my laptop on an exam. Would the members of an online imageboard (or any community) be able to build a post-apocalytic society upon their reputation?

Function to find all occurrences of substring Can I sell a stock immediately? "president-elect" grammatically correct? Clear Selected Item In Dropdownlist C# 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 Do you know a VB example? –Obsidian May 9 '13 at 15:11 see the Edit its equal to New List(Of String)() in Vb.net –wizpert May 9 '13 at 16:09

Why Would the President-elect have a Transition Visit before December 19?

Perhaps -1 is valid just for getting and not for setting the index? Should I have doubts if the organizers of a workshop ask me to sign a behavior agreement upfront? 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 How To Clear Selected Item In Dropdownlist In Jquery Lab colleague uses cracked software.

Build me a brick wall! Add your solution here B I U S small BIG code Plain TextC++CSSC#Delphi / PascalF#HTML / XML / ASPJavaJavascriptObjective-CSQLSwiftPerlPHPPythonVBXMLvar < > & link [^] encode untab case indent outdent OK Paste You cannot clear the selection from every item in the list at the same time. What are some ways that fast, long-distance communications can exist without needing to have electronic radios?

Not sure why you were downvoted - sorry if my comment cause that :( –womp Feb 8 '10 at 20:33 this one will clear the item list and in 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