Web Forms :: How To Change Selectedvalue On DDL In Parent Page From Usercontrol
Jan 22, 2010
I have a page for webparts and have a usercontrol in the declarativecatalog. The user control had a gridview. I need to click (select) an item (row) in the gridview and change the selected value of the DDL in the parent (I guess this is the appropriate term) page.
<%@ Page Language="VB" MasterPageFile="~/MyStuff/MyStuff.master" AutoEventWireup="false" CodeFile="Default.aspx.vb" Inherits="MyStuff_Default" title="MyStuff" %>
[code]...
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Mar 31, 2010
What is the proper way to set the selectedvalue of a DDL inside a web user control? My current structure is PAGE > USERCONTROL [FORMVIEW] > USERCONTROL [DROPDOWNLIST]Inside my FORMVIEW user control, I am setting the value of my DROPDOWNLIST user control through an exposed property located within the DROPDOWNLIST user control, called SelectedLocation. However when I changeMode of the FORMVIEW control, depending on where I call my method to bind myROPDOWNLIST, it will either bind it twice or won't bind it all.
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Jan 20, 2010
i have created a usercontrol that get some input from the user in the textbox. now i want to get that value in my page containing the same user control.
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Feb 5, 2010
My default page has a usercontrol that opens up a modal to allow updates. When the user closes the modal window I want the usercontrol that resides on the default page to update.
it looks like this
default.aspx has userControl1
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modal has textboxes for updating
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Oct 9, 2010
In a page , when I click a button 'showDialog' I am loading the user control dynamically in a dialog. I am linking to the event in the user control as explained below. The parent page is not receiving this event.
Button_Click(){
UseControl1 gc = dlg.LoadContent(:UserControl1.csx);
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In UserControl class after clicking the submit button
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Nov 15, 2010
I have several usercontrols which are loaded based on business logic.However, all of them have webcontrols whose selected/entered value needs to be accessible in parent page on an event.Since there can be any combination of UserControls, I do not want to load all the UserControls in the Parent Page, since they are heavy.
I would like to load only those controls which are supposed to appear on the page, yet access the value from the usercontrol which caused the postback. (I would rather not access using Request.Form) (ViewState is open, but unsuccessful to store value in parent page's viewstate in onClick)Here is a sample scenario
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May 20, 2010
How to get the parent page values from the usercontrol.I have a usercontrol in a page. On click of the usercontrols button i wanna get some values from the page after executing a method. i need those values in my usercontrol. What is the best way to get the results of the page in the usercontrol.
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Nov 3, 2010
If for example my userControl has a CheckBox called IsGreatCoder and the userControl is embedded in a main page (parent page).
I normally have gained access to the IsGreatCoder.Checked value in the main-page by exposing it through a public property that I have to manually write (say "IsAGreatCoder").
If UserControl is included in the main page as "userControl1", then I would access it as "userControl1.IsAGreatCoder".
But, I was wondering if there was anyway to declare the UserControl such that all the UI controls added to it were declared as being public, that way allowing me to gain access to the actual controls in the main page (the parent).
Essentially I would like to be able do something like userControl1.IsGreatCoder.Checked instead of having to implement a property.
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Sep 8, 2010
I have an asp.net usercontrol located on on my aspx page. In the usercontrol there is a javascript function that I would like to fire everytime the page that contains the usercontrol submits to the server. (directly before this happens) Ideally I prefer to not have to write any code in the parent to make this happen, but I am not sure what the usercontrol may be capable of at this time. Can the usercontrol know that the page is submitting to the server and fire the function before this happens? Is there some sort of event that takes place here?
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Apr 25, 2010
Using VB.Net/Asp.Net 2008, web app with Master page.I have a content page where all of the content is wrapped in an UpdatePanel that uses a UserControl called GetEmployee.ascx that I created.
In the user control I have a listbox filled with employeeIDs for the DataValueField, in fact for testing to make sure I'm getting the ID I temporarily set the DataTextField to employeeID also. Anyways I keep getting "" error saying I have not selected anything even when I do so I put a breakpoint and set a watch to find out selectedIndex, value and item and nothing.
after the user selects an employee they should click on the "select employee" button so I have some code there to find out which employee was selected. I have events setup in the GetEmployee.ascx user control to get the value selected:
[Code]....
and I have a breakpoint and it hits the "selectedIndexChanged" event first so I put a watch there and see the following.
<WatchValues>
SelectedIndex = -1
SelectedItem = Nothing
SelectedValue = ""
</WatchValues>
why am I not seeing the selected value?
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Sep 4, 2012
I have a User Control which has a dropdownlist.
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How can i do it?
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Mar 1, 2010
I have a UserControl I created for Navigation that is added to a master page. In a host page, I have a drop down list that I would like to change the value of a dropdownlist in the user control when changed.
I've tried to use the findControl to get the Hyperlink control I'd like to change the value of, but it's always returning nothing. I am thinking this is because the control is nested in a master page. how I can change the value of this item based on the value of a dropdownlist in the aspx page?
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Jun 18, 2010
I have a requirement to hide certain buttons in a standard MOSS page. The buttons are generated by a Microsoft UserControl and some buttons must be hidden before displayed to the user. This page cannot be customized, so the only approach is to have an httpmodule which would use some Javascript and C# to hide the unwanted buttons. So my question is during which event should the javascript be used to pick out the DOM elements and set their visible property? Can anyone give a code example?
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Jul 23, 2010
I have on my Page a Label control and custom UserControl. I want that, when something appears in the UserControl, it shoud change e.g the Label's Text property (as I mentioned, the Label doesn't belong to the UserControl). How to do that ?
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Mar 4, 2011
I have a user control that has an event that checks if a textbox is empty and does other processing...this event would also set a publ;ic property on the user control to a boolean value.
1) On the host page/parent, I want to click a button that will set off the event explained above.
2) Also, how do I reference the user control on the host page?
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Jan 21, 2010
[Code]....
here's the code I use after the selectedindexchange
[Code]....
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Jan 7, 2010
How do I set the selectparameter of Objectdatasource in usercontrol from dropdownlist in parent page?I tried the following but when I select a new value in the dropdownlist it does not change the data from the initial page load
Protected Sub ODSLocations_Selecting(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.ObjectDataSourceSelectingEventArgs) Handles ODSLocations.Selecting
Dim ntid As DropDownList = CType(Me.Parent.FindControl("DDLEmployees"), DropDownList)
e.InputParameters("ntid") = ntid.SelectedValue
End Sub
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Mar 20, 2010
after trying alot and searching here and there i decided to post it here. I have my aspx page. at the top pf that page a html header is included, that html header contains a html select control with runat="server". i populated it with dataset, i also implimented onserverchange even successfully. no on my main aspx page i have anothe asp dropdownlist control. what i want is that whenever dropdownlist server selected index changed the value of html select control in my header also chang. I code in dropdownlist_selectedindex change like this
htmlselectcontrol.Value=dropdownlistcontrol.selectedValue.
but value of htmlselect control remains unchanged.
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Nov 18, 2010
I have a dropdownlist in DetailsView to which items are added programmatically during DataBound event. It is working fine in InsertItemTemplate, but in EditItemTemplate i am getting this error "'branchDDL' has a SelectedValue which is invalid because it does not exist in the list of items. Parameter name: value".
. Following is the code:
<asp:TemplateField
HeaderText="Course"
SortExpression="branchID">[code]....
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Dec 21, 2012
in my asp.net and vb code web. i have a drop downlist and a text box.
when i select the item from dropdownlist the numeric value should change accordingly. is it possible
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Aug 2, 2010
Can anyone add a complete input about how to create Parent Property with multiple child properties or in short nested properties.
Example: Style tag: which has properties like font, color, display... etc? which accept objects and its value.
[code]....
As soon as Rainbow property is typed, user should get intellisense for list of number of colors. Then accordingly user can select list of those colors and assign a value to them.
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Feb 23, 2011
I have a usercontrol which is used for search. Depending on which page the usercontrol is I have change the position of controls.
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Nov 25, 2010
I have officially wasted about two days trying to figure out what the heck was going on with my asp.net page. I actually thought it was an issue with my updatepanel code, but after reading another post I was able to reproduce the same results. [URL]
I just manually added the following control to the page (no code behind for the listbox) and it is nested in an ajax tabcontrainer inside an updatepanel. If you set item 20 as selected the page flickers when loading that tab. I tried the css mentioned (style="overflow:hidden") on the tabcontainer,tab panel, update panel and dropdownlist, but no luck. Crazy select item 19 no flicker, 20 (which is actually the 21st item) and it does flicker. This is driving me insane. And yes this only occurs in FireFox ( running 3.6).
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Jul 8, 2010
I have an xml document that has a structure like so:
<?xml version="1.0" encoding="iso-8859-1" ?>
- <newdataset xml="version="1.0" encoding="iso-8859-1"">
- <officelist>
<officeid>2</officeid>
<office>Office</office>
<region>BC</region>
I would like to have the office id = 2 to be its own element. Like so
<?xml version="1.0" encoding="iso-8859-1" ?>
<newdataset xml="version="1.0" encoding="iso-8859-1"">
<officelist>
<officeid id=2/>
<office>Office</office>
<region>BC</region>
</officeid>
</officelist>
</newdataset>
xmlDS += offices.GetXml();
xmlDS = xmlDS.Replace(@"xml:space=""preserve""", " ");
XmlDocument doc = new XmlDocument();
XmlNode declaration = doc.CreateNode(XmlNodeType.XmlDeclaration, null, null);
doc.LoadXml(xmlDS);
doc.Save(Response.OutputStream);
That is my code so far... not sure how to set a child node to become a parent node
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Aug 30, 2010
Is it possible to change the ascx file used by a usercontrol at runtime?
For example in my page i have
<ctl:SampleControl runat="server" />
in the web.config I have
<controls>
<add tagPrefix="ctl" tagName="SampleControl" src="~/UserControls/SampleControl.ascx" />
</controls>
At runtime I would like to be able to change the ascx to another path, it would still be inheriting from the same usercontrol codebehind, it would just be a different template.
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