Web Forms :: How To Change Class / Style Of A Control While Using User Web Control
Mar 27, 2011
i have a user web control wich has the website menu. this menu is viewed through out the entire web site.
i would like to mark the selected link, on the menu with in the web user control,in some way (red background or w/e) the thing is, i cannot manage this from client side since there is a page_load on every click on the menu (witch brings up a different page). the only thing i can think of is saving the click to the session and then retrieve what was clicked and change the style accordingly via c# in the code behind.
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Nov 18, 2010
I have build a UserControl with separate code behind file.In that code behind file i have defined some public properties in the Partial class of user control that was automatically generated.Those properties will initialize some properties of controls that are used in the control.Now, in .aspx page i used this User Control and initialized the public properties through code behind of aspx page for dynamic contents.
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Mar 9, 2010
I need to change the mouse pointer style to "HAND" like looking thing when i hover my mouse over accordian control or rather an accordian pane.How can i do that?
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Jan 28, 2011
how can i set style attribute in code behind c#?
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Feb 1, 2011
i have two user controls uc1 and uc2. uc1 as button and uc2 has label, so default.aspx contain both uc1 and uc2, How can i change value of label by clicking on button??? remember both are in the different user control.
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May 24, 2010
I am facing challenge of changing action attribute of html form tag. As my application is on shared hosting (medium trust) environment of godaddy server, I cannot use reflection to get control adapter of html tag page. So, I cannot use the following code in my Url Rewriting module.
[Code]....
Is there any otherway to implement the same functionality without reflection?
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Jan 23, 2011
i have a usercontrol named filebox (which wraps a fileupload and some related stuff) in a certain .net class i have need to use this type as a ctype but i cant seem to call ctype(aobject,filebox) or either ctype(aobject,Controls_filebox) (which is the correct name) how can i convert an object to this type?
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Feb 24, 2010
I just browsed and tried to find a good example changing a web user control(ascx) to a web control library. I used some javascript, Css and images for the control and i need this fiels to be build to my web control library. The answer I get it is not sufficient.
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Feb 10, 2011
How can i change repeater control class depends on number of rows it contain?
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Jan 3, 2010
Is it possible to change the CSS class of the validated control if it's not valid without codebehind or just with less code ex. Set automatic CSS class to "invalid" of all textboxes which have a required field validator? I don't like to make a check for each validator (isvalid) I have, manually.
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Feb 9, 2010
I'm dynamically binding tables and sub tables using nested listviews. On the client side I have a piece of jQuery that is toggling the visiblity of TRs witin the tables in order to provide a group expand / contract view option.
On postback I'm obviously loosing my class changes that I have applied via jQuery. I'm wondering what the best approach to maintaining these client side class changes is? I've considered creating a hidden input control per table to store the indexes of the visible TRs at the time of expanding them. The intention being to then look for the indexes during postback / rebinding and add the visible classes to each corresponding element.
Is there a better approach or some native method of passing back the client side style / class change to the server during postbacks?
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Aug 31, 2010
I'm trying to create a user control class that extends Panel. Essentially, what I want to do is to have a panel that fires off an event whenever it's clicked upon.
So, I create something like this:
[Code]....
And then, in the ClickPanel.ascx.cs file:
[Code]....
I'm not exactly sure whether this would work as I haven't had the opportunity to test it yet.
The problem is that I can't have a class inherit from Panel. Creating a user control class requires that my class extend User Control - at least that's what the error messages have been saying up until now. The problem is that if I do extend it from the base class of UserControl then I lose all the functionality of the Panel itself and the entire thing is rendered pointless.
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Feb 2, 2010
I'm working on a project that uses a master page. When the page loads I'm calling a class (which I feed and ID into) to get back certain values for a location that the user has selected. Things like town name etc.
On the home page I have a user control which has some statistics for that location too.
Is there a way that I can get the user control to pull values from the class invoked by the Master Page (which has already been fed the ID, hit the db and pulled back the values), rather than creating a new instance of the class within the user control and having to supply the ID and hit the db all over again? This is now I'm calling the class in the masterpage. I have a method "CheckForStoredLocation" that goes off and gets all the data I need.
[Code]....
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Jun 4, 2010
I don't think I understand fully how ASP.NET does inheritance of controls.I have a user control, ucBase, which has an asp.net label in the ascx file. Code behind references the label and it works fine during run time if the control is not a parent for another user parent.
If I have another user control, ucChild, inheriting from ucBase, the label in ucBase's code is always null. ucChild has no controls in its ascx fileThe server controls (like the label) needs to be declared in the ascx file and not created programmatically.What needs to be done for ucBase to see its own controls when it's a parent user control?
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Jun 12, 2010
I have a master page with a user control on it. How do I change the user control's properties from a content page?In my ascx file I created this 2 property:
[Code]....
In content page PageLoad event I wrote
[Code]....
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Jan 19, 2011
i have a usercontrol named filebox (which wraps a fileupload and some related stuff) in a certain .net class i have need to use this type as a ctype but i cant seem to call ctype(aobject,filebox) or either ctype(aobject,Controls_filebox) (which is the correct name) how can i convert an object to this type?
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Apr 8, 2010
I want to access a usercontrol in my class file not in aspx.cs.i need to typecast it using ASP.usercontrol_ascx type but i cant access ASP namespace from my .cs file..how to typecast the usercontrol??
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Sep 10, 2010
I've got a web site that has a master page and that master page (mpMaster that has a user control ucControl1) which has a sub user control (ucControl2), this user control has a property which accepts a value. Now, I have a page that uses the master page
and on this page I have another user control (ucPageControl), I need to find a way of setting the value in ucControl2 from ucPageControl. Is this possible at all?
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Apr 2, 2010
I am part of a team that is developing a SharePoint web part. My task is to create a user control which will ultimately be wrapped in another class for presentation in a web part. Because of these requirements, I must fit all of my code in a single user control.To organize my code in the code-behind, I created a few private classes for the different objects which are represented in the database. I want to add some exception handling whereby if some sort of DB exception is thrown I can update a message on the page informing the user of the problem.
My problem is that the page-level controls are inaccessible from the private class where I'm issuing the query, so even if I catch the exception I have no way of directly accessing a Label control to populate the error. I tried to create a baseclass with an EventHandler defined, but when I throw events from the private class I'm not able to catch them for whatever reason. I'm far from an OOP expert Here is a snippet:
ASP Code:
using System;
using System.Collections;
[code]....
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Feb 17, 2011
I am trying to assign user control from another user control ..first time its binding control successfully but when we refresh the data its giving error
saying "Object reference is not set an instance".
how to refresh data from another user control ...
My senerio below :
1 Aspx page
2. User control
calling usercontrol databinding method from aspx page but once it get refreshed ,not allowed to bind it again..
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May 24, 2010
I have a class UserControlBase that inherits System.Web.UI.UserControl and my user controls inherit UserControlBase class. UserControlBase has some common functions that are used in all user controls.
I want to put error display funtion to UserControlBase as well so that I may not have to declare and manage it in all user controls. Error will be displayed in some label in usercontrol. Issue is how to access label which is in usercontrol in UserControlBase in function ?
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May 25, 2010
I have a user control (uc1) which inherits from uc2. uc2 has a user control (uc3) declared in the markup. I am trying to access uc3 from uc1 but I get NullReferenceException. I thought due to inheritance uc3 would instantiate but looks like I am missing a step.
Clarification:
How does the child user control inherit the markup from the base class? The server controls in the base user control are null in the code behind of the base user control. Why?
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Jul 15, 2010
I have created a user control which is inside a folder called Controls and the class is a partial class which inherits from Web.UI.UserControl. Now from my page which is one level up I just try to access the method inside the usercontrol and so trying to cast it as the type of user control. But I get build errors. It just cannot recognize that class. I get Type not defined error. But at times it has recognized the class. Dont know why it does that.
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Jan 31, 2010
I have a User Control with a label on it. I have a Master Page that I have dropped the User Control on. I have other .aspx pages that use the master page that has the user control on it.
What is the best way to change the text of that label on the user control from the .aspx page?
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Mar 10, 2011
I am creating a web user control for a simple poll. I am currently registering it on the page and then referencing it via tagprefix.
The form for the poll is in basic html (no server controls) and is in the front-end of the web control. How can I change the look of the user control depending on the settings passed into it? Is this possible without using server controls?
Update
Can I change the html layout of a user control?
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