C# - Load Template From User Control?
Sep 30, 2010
Im working with Sitefinity and I'm developing a Control Designer - however i dont think my question is specific to SiteFinity.
I have a class such as:
public class CaseStudyFeaturedItem : CaseStudySelectorControlDEsignerBase
The class it is inherriting from is itself inheriting from UserControl, like so:
public class CaseStudySelectorControlDesignerBase : System.Web.UI.UserControl {
Within CaseStudyFeaturedItem is it possible to load a template which is an embedded resource and then access the controls on that control?
So essentially, I have usercontrol.ascx which is an embedded resource so has a string like:
mynamespace.myclass.usercontrol.ascx;
And from within CaseStudyFeaturedItem I want to be able to load that usercontrol and then modify the controls (i.e. literals/labels) that are within it?
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Jan 11, 2010
i have:
- Default.aspx;
- user1.ascx: 1st user control containing repeater;
- user2.ascx: 2nd user control containing a detail view of row.
In page.aspx i dinamically load the repeater inside a user1.ascx.
after i want to dinamically load the 2nd user control also in default.aspx by a button inside a user1.ascx.
How i can do this? I can't load user2.ascx inside user1.ascx but only in aspx page.
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Mar 30, 2010
i created a user control that has a template container.
[code]....
This is control is placed in a repeater which lists some customers. The customer is than bound to the user control. When the name template is instantiated in the container, the customer object is not yet available, but I need to access its name because it needs to get parsed before.
[code]....
Question: How can I access properties set for the user control BEFORE the template container is instantiated?
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Apr 4, 2010
I have a Master Page and in it I have two user controls,User control 'A' and User control 'B'.
so A and B are in the Same MAster page,I have a Button on Aand when ever i click a button I want to Load Usercontrol B(Call its Page_Load) Method...How will i do that?
this is the code but i get an error at line 'C' --- Null Reference Exception was unhandled
[Code]....
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Dec 20, 2010
I have created rounded template user control. The need is what ever we add in the user control should appear appear.
[Code]....
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Apr 26, 2010
let say i have Two user control U1 and U2. I have a treeview control T1 U1 include a one datalist. U2 include a one datalist. I Place a U1 in a aspx file call home.aspx where i use a placeholder for dynamicly load user control. t1 is a treeview for menu so when i click on a parent item i load u1 in placeholder and when i click a child node in t1 then i can load u2 in place holder. Here u1 content parent data like product category. U2 content child data like product sub category. click t1 parent node load u1 and child node load u2 ok.but if a user click on u1 dataitem it also need to laod u2 and unload u1.
can it be possible? or if anyone can guid me how to use single page with multiple user control response each other event.
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Mar 5, 2011
Is there a way to instantiate and use a usercontrol (.ascx) if given you have its Type (ie. typeof(MyUserControl))?With regular asp.net controls like a textbox or a dropdownlist you can just make a new instance and add it to a controls collection. This doesnt appear to work for User controls. While you can make a new instance and add it to a collection, and have all of its events fire, it will not actually render to the page. Typically you would call Page.LoadControl() with the path to the .ascxThis presents a problem if all you have is its type. How can you get the path to the .ascx to give to the LoadControl method. Ideally I would also like to not have to have a reference to the Page object
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Jun 18, 2010
I just want to call a user control using AJAX and get the rendered html of the control. However, when I try and fetch the control I get the following error message:
This type of page is not served.
Description: The type of page you have requested is not served because it has been explicitly forbidden. The extension '.ascx' may be incorrect. review the URL below and make sure that it is spelled correctly.
Requested URL: /Controls/ClientFormControl.ascx
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Oct 26, 2010
I have this GridView that have it's DataSource as a list of previously selected products.
For every item on it, I need to Eval it's ID and load a specifc form that the user must fill, then after that i've got to update the GridView.
I have made those specific forms as User Controls, is this the best approach for this scenario?
If yes, how can I dynamically load them, in a way that I can make queries/postbacks then update back my gridview?
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Nov 29, 2010
How to load a user control dynamically in a page?
I have a page that contains radioButtons. Each click on a radio button loads a user control (.ascx) in the page.
What I am doing is loading all controls at the same time, but set their visibility to false. When a user clicks a radiobutton I set the visibility of the specific user control to true.
As a result I am loading all the user controls on each postback.
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Jan 12, 2011
I am using jquery tab , in my page there are 7 tabs, and in each tab i want to load a user control dynamically,
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Jun 3, 2010
I created a user control called userCon.asxc.may i know how do i do when i click on button1,then the userCon.asxc will load into panel1?
I checked on internet, but found only those loading the user control to page when execute.What i want is to load user control into panel1 when button1 is click.thanks for reading.
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May 26, 2010
I've been searching in all the forums, and websites for the last 4 hours without finding a solution for a problem that in the beginning I tought it was an easy one!!!This is my problem, I have a gridview with the following colums: select (link), Room Type (for hotels), and TotalThe total field Is a template field it has in the custom binding property a function: find_total(Eval("Room")) this function makes some calculation and returns the calculated Total value, and shows in the gridview without problems,The thing I cant do is: when the user clicks on the select link I want to get the text of the template field and put in a label control.
I tried, almost all the events of the datagrid, to reference the content of my template field but sometimes I receive a null value (seems that Im looking for the value before the find_total function has been executed) or I get an error "the index is out of range".I dont know how to approach this, I tought It has to be much easier, but Im very confused right now, if anybody knows how to do this
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Mar 3, 2010
I have a user control that will basically be a header in most of my pages, but not all. I want some code in the user control to be run before the page load event of the page that holds the user control, but the page load event fires before the events in my user control. Is there a way around this?
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Aug 22, 2010
In my base page, I have a dropdownlist control which loads different usercontrols on selectedindexchanged event.
While loading these usercontrols, my page postbacks all the page. I used updatepanel but again same problem.
Is there any way to load controls without postback?
Here is my code:
[Code]....
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Oct 25, 2010
Part of a web application we have uses an in-house web control assembly. This assembly contains several web user controls where several of these are used by other web controls within the same assembly.
The assembly is built as a website with a web deployment project.
The main web application's pages are dynamically compiled through a service into a single assembly and placed into the appropriate bin folder. In our development server the old assemblies aren't always tidied up and removed, meaning the folder gets full of old assemblies.
When the page that uses the in-house web control assembly (mentioned above) runs, the asp.net instance throws an out of memory as it loads all the old assemblies in an attempt to determine which assembly houses the reference to the user control being used by the other user control inside the same assembly.
We've been using the following inside the top level user controls to register the other controls
<%@ Register Src="~/....ascx" TagPrefix="UC" TagName="...." %>
Of course when the application runs this gives no information as to which assembly it can find it in.
Is there anyone that's come across this problem before? It's not really a problem as our live servers use a clean up tool to remove old assemblies, but there are still potential situations where we could get out of memory caused by this (for example the tool stops working!), so it would be nice to resolve this problem.
Here is the stack trace
[Code]....
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Mar 4, 2011
Is this possible and how?
I would like a single button that will fire a loading of a user control into a panel to simulate a wizard-type functionality.
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Jun 14, 2010
I got 15 tabs and 15 user controls assigned to each tab.All are loading at once which id delaying the process.
I want to load one user control on selection of a tab in tab container.
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Mar 29, 2010
how to load user control dynamically on asp.net page? I am loading user control in my page_Init() event under if(!IsPostBack) but when user post the with any button click then my user control is disapper?
If i am loading control without if(!IsPostBAck) then its fine, but each time a page is posted loading of control is not good because it will slow my web site?
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Jan 12, 2011
My aspx page uses a master page. How can i load a control in my aspx page dynamically inside a contentplaceholder?
I got something like:
Select id
case 1
load usercontrol A
case2
load usercontrol B
case else
load usercontrol C
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Jan 3, 2011
I would like to dynamically load a user control and assign one of its public properties OnLoad...
I'm doing the following from a parent user control to dynamically load the child user control...
UserControl uc = (UserControl)Page.LoadControl("~/Controls/MyUserControl.ascx");
What else do I need to do to pass a value so its public property is set OnLoad?
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Feb 3, 2010
I have two user control..In one user control i have a button..if i press the button i want to load another user control
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Mar 2, 2010
I have a page called "EDIT.ASPX" on that page it has come TextBoxes, Label and 3 User Controls. When the Edit.aspx page is loaded all the correction form Controls are loaded properly, even the User Controls loads with no problem. The problem that I am expericing is that on the User Control I have a CHECKBOX with AutoPostBack="true". Each time the user click the CheckBox the User Control disappear. NOTE: How do I fix this problem and eliminate my page control from vanshing. The user control needs to keep the same state as the Edit.aspx page when the checkbox is clicked. I need to be able to click the checkbox without loosing any data on the page rather it's the Edit Page or the User Control.
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Feb 10, 2011
I'm working with asp.net 3.5 c#
I've seen a good few questions like this around but havnt actually come across any articles with the answer (maybe just been unlucky with my research!).
Basically I'm looking to have say 3 links (or buttons) on a page, which in turn will dynamically load a specific user control into an update panel with AJAX.
Then I would like the usercontrol loaded to be capable of handling postback within the update panel (basically no page refreshes) to do its processing and return output.
Does anyone have any pointers to articles/blogs covering this?
I've seen many but non covered handling postbacks from the user control or handling the postbacks within the update panel.
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Jan 4, 2011
I am using 5 ,6 user control. I wanted to load diffrent user control on Click of menu bar. Means when I click on first link of Menubar 1 user control should load and 2 loaded when i Click on 2 link of menu bar. How to do that?
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