Dropdownlist's Enableviewstate Not Working?
Jan 21, 2010
This problem is stopping me from winding up my project. I have a webform where there is a pop-up page that populates one text box and 2 dropdowns. And I also have a checkbox list that does a postback. Whenever the checkboxlist does a postback, one of the dropdownlist's value is reset. It happens with only one dropdown list. The text box and the other dropdownlist retain their value. I have put enableviewstate = true at both the page level and control level.
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Jan 21, 2010
This problem is stopping me from winding up my project.I have a webform where there is a pop-up page that populates one text box and 2 dropdowns.And I also have a checkbox list that does a postback.Whenever the checkboxlist does a postback, one of the dropdownlist's value is reset.It happens with only one dropdown list.The text box and the other dropdownlist retain their value.I have put enableviewstate = true at both the page level and control level.
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Nov 27, 2010
I have made EnableViewState="False" in @page directive. But still all all controls in page maintaing values even after submit.
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Aug 5, 2010
What does EnableViewState on a HyperLink do or mean?
<asp:HyperLink ID="RegisterHyperLink" runat="server" EnableViewState="false">Register</asp:HyperLink>
What does it mean? and what will it do if I set it to true.
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Apr 1, 2010
I have set enableViewState to false, why my textbox still remain my last value after i hit the postback button?
[Code]....
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May 26, 2010
<div runat="server" enableviewstate="false">
<div runat="server" enableviewstate="false"></div>
</div>
What happends if I won't set the enableviewstate property for the second div. Is it inherited from it's parent or not ?
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Jul 27, 2010
I know how view state works but I do not know how exactly works RegisterRequiresControlState. Where are stored values from control? How exactly does it work?
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Sep 19, 2010
I am trying to avoid enabling EnableViewState..Sample code as you can see has 1 repeater and 2 textboxes inside. I bind the textboxes at page init. After a postback I want to get the updated data from the client & save in a db. The Request.Form contains the data keyed with autogenerated client ids but the repeater has 0 items after the postback. So my options seem limited to.a. Enable viewstate so I can pull the data from the repeater using Control.Find(...)b. iterate through Request.Form and find my textbox values...ultimatly the goal is to to render data from a datatable to some textboxes, allow the user to make changes then save these changes. I'd like to avoid viewstate if there is a clean alternative..ASPX:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Foo.aspx.cs" Inherits="Ads_Foo" EnableViewState="false"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-
[code]...
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May 8, 2010
My dropdown controls do not keep the values after postback even though their EnableViewState is = true and in Page_Load I fill my controls ONLY if not postback.
My controls are inside a panel and the panel's EnableViewState is set to true as well...
To see the page you can log in as test and password is 12345
click on search page and set a value to say Gender and Ethnicity and click submit.
You will see the results, then navigate to number 2 or 3... You will see that it refreshes the controls and sets them to default.
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Apr 21, 2014
If we set enable view state = false of a page then can we maintain the view state of that page ?
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Apr 24, 2010
Was the new ViewStateMode property introduced to avoid breaking the existing EnableViewState?
Does setting EnableViewState = false at the page level cause the ViewStateMode setting to be ignored?
PS: What is CW in stackoverflow?
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Sep 23, 2010
i tried to change an cascading dropdownlist example
http://www.codedigest.com/Articles/jQuery/224_Building_Cascading_DropDownList_in_ASPNet_Using_jQuery_and_JSON.aspx
But i get always the message "Microsoft JScript runtime error: Object expected"
<asp:Content ID="Content1" ContentPlaceHolderID="contentplaceholderHEAD" runat="Server">
</script src="~/_scripts/jQuery-1.4.2.js" type="text/javascript">
<script language="javascript">[code]...
Can't tag all my code as "Sourceode" because its not working corectly..
<asp:Content ID="Content2" ContentPlaceHolderID="maincontent" runat="Server">
<div> [code]...
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Mar 28, 2011
I just installed IE9 on my machine and when I opend my ASP.NET application its DropDownList is not working. When I click on button next to the dropdown list it does not open the selection box.
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Apr 27, 2010
I am using Visual Studio 2008. I have created a login screen and when user enters invalid userid or password, I am displaying error message in label by checking the database.
I am clearing the label, txtUserName and Password on click of Refresh button. But still the label message is appearing because UserName and Password controls are not clearing
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Jan 7, 2011
I have this code frontline (default.aspx)
[Code]....
And then i have a codeBehind i get an Error 1 'SortBy' is not declared. It may be inaccessible due to its protection level. and i cant see why!??My codebehind (default.aspx.vb) is
[Code]....
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Jul 2, 2010
I have 3 security question drop down menus. I have javascript on the ASPX page that removes questions/repopulates them when you select a questions (so you cannot reselect the questions in the other 2 boxes). This works wonderfully when a user is editing their profile with already selected questions. However, when a user first selects the questions where all three boxes are listing "select a question" at selectedIndex 0, the onChange doesn't fire. The function won't even go. I think this has a big something to do with the on change from selected index of 0. I have debugged this thing and it doesn't even enter the function. I even set the onchange action to flash an alert. It just seems something is going wrong when i try to action onchange from selected index of 0.
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Feb 11, 2011
my code is very simple. I have one updatepanel, it has one lable and one dropdownlist. everytime, dropdownlist index changed. Label shows selected value. if you select any options besides the first one, it works. if you go back to the first option, then event will not get fired. spending hrs searching on google, couldn't find anything useful.
here's my code
[Code]....
codebehind part:
[Code]....
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Dec 6, 2010
I am trying to use a solution for a cascading dropdownlist (the selection in one dropdownlist determines the options in the second one) found here:
[URL]
[code]...
how to get a default value for the dropdownlists. Since otherwise the customer dropdownlist will have a value when you first get to the page, but the task list won't...
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Jun 10, 2010
I feel so stupid asking this because this used to be such a easy task in webforms. Well here we go. It's on my admin part I got a site called edit, on that site there are a dropdown so I can choose what site to edit, once choosen it suppose to get the site body and put it in the textboxes and keep the selected site in the dropdown, this is all suppose to be on the same site Edit. I'm totally lost on how this should be done. this is the code I got so far in my AdminController, I only populate the Dropdown with Editable sites available.
[Code]....
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Mar 27, 2011
i have created a DropDownList as
[Code]....
but the item is not select, instead of the first is select
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Apr 27, 2016
When I select the item in 1st dropdownlist, values are fetched from database and want to display in second dropdownlist... but the autopostback is not working for the 1st dropdownlist..
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May 7, 2015
I have two textbox and dropdownlist in vb.net web application.I want to focus cursor on dropdownlist on page load..In pageload I wrote code as
DropDownList1.Focus()
But cursor is not focusing,why?
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Jun 3, 2010
I have two drop down lists on my page. One (DropDownList A) has the values preset by me. The other (DropDownList B) has its values filled by a database query if a button is pressed. Each of them have AutoPostBack set to true. Each of them have corresponding onselectedindexchanged functions. DropDownList A works fine. When I change it, I want it to turn itself invisible. It does. DropwDownList B is not working. When I select something, it does the postback but the selected item is reset and the onselectedindexchanged function is never called. I feel like this is a problem I've solved in the past, but it's been 3 years since I programmed ASP.NET. All this is done in C# by the way.
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Feb 1, 2011
Im working on an ASP.Net web forms application, where I have a form and the Index is working correctly, until I select a value from one specific control, a dropdownlist. After that no matter what control I am on if I press TAB it will go to the URL/Address Bar, from there to the search bar and then again to the URL bar...
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Jul 2, 2010
I inherited a site which I am in the middle of updating which has a DropDownList and a RangeValidator assigned to it. The data is bound to the dropdown on Page_Load. The values are retrieved from the database so the value property of each item is set to the unique ID of the item in the DB.
The RangeValidator looks something like:
<asp:rangevalidator id="ddRangeValidator" runat="server" ControlToValidate="ddMenu" ErrorMessage="Please select value in range" MinimumValue="1" MaximumValue="100000" Type="Integer">*</asp:rangevalidator>
I have a method which automatically populates this value in jQuery e.g.
$("#ddMenu").val("An Option");
This works, however, when I try to post the page the range validation fails. Then even if I manually select that value, or select another valid value it still won't validate. The only way to make it validate is to select non-valid value and then re-selecting a valid one.
Here is the data binding code:
Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load, Me.Load
If Not Page.IsPostBack Then
Dim ds As New DataSet()
Dim myDbObject As New myDbObject()
ds = myDbObject.ToDataSet() // retrieves all objects from the database
[Code]....
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