Adding Control To ASP.NET With JQuery?
Jul 17, 2010
I'm trying to add control to the ASP.NET page. Controls are added successfully but can't access from code behind. In the sample below, when Button1 is clicked, there's no element in "uploads" (type HttpFileCollection).Here's my mark-up:
<%@ Page Language="vb" AutoEventWireup="false" CodeBehind="add-remove-control.aspx.vb"
Inherits="APIU.Web.add_remove_control" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">[code].....
Why there's no element in "uploads" (type HttpFileCollection)?
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Apr 19, 2010
I created a user control in VB.NET that uses a jQuery datepicker. I am at an impasse. The code I have works for one datepicker control on the page but because I can only register the client script once, it will not work for multiple instances/ datepickers on the same page. What is the best way to go about initiating the jQuery script for this control so I can use it multiple times on one page? Can I append to ClientScript.RegisterStartup Script?[code]
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Dec 5, 2011
I have a User Control which renders a simple drop downList into the page.By default, only certain values are returned depending on User Details, but the user may request a "full" list.I'd like this full list to be generated by pressing a reload button.Being new to .NET I am struggling to get this to work and not really understand the results I get when Googling or finding stuff on this site. Is Classic ASP I'd have made a page that renders this and called it using jQuery
[Code]...
I've found this link: [URL]..Using-jQuery but am unsure exactly what it is suggesting, mainly I think, because I use VB and don't completely understand how to convert that C# code there.Using .NET 2.0, jQuery and VB, does anyone have any suggestions on the simplest way to accomplish this?
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Dec 4, 2011
i doing asp.net and using vb.net.I have a datalist control which inside it show a product img, description, price the problem is that i was to show the product another img, so i want to have a small picture below the img, so when click on the picture the img change to another.
i want something similar to this link : [URL]..this link they use flash to come out with the effect that i want, but they are not in datalist, so think that i may need to use ajax but which one?anyone have any sample or example ? if i was to use the jquery easy slider numeric navigation how am i going to implement onto the datalist?
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Dec 5, 2011
This morning I was trying to work out how to update a User Control from a button on a page using jQuery.Refresh User Control with jQuery.From the info gleaned from this article: http [url]...I now have a method of loading a User Control as a page with jQuery using the converted .VB example from the codeproject.com article.However... this won't render into the browser, Firebug is giving the error "element must be contained within a form runat=server tag" So I posted this question:
re: better way to manage a dynamic select list using jQuery and User Control.Since posting that though,I have thought about it further, and believe it is the fact that the jQuery Handler class created by the codeproject code is send the browser a complete page.Given that I sadly don't really understand what that codeproject code actually does I am having trouble working out how to alter it.What I need it to do is not return a Page at all, but I guess, an HTML string, which can then be pasted directly as HTML into the div as required.how to alter that code to return an HTML string?
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May 2, 2012
I am attempting to create a ASP .Net (VB.Net) custom control for an auto-complete drop down that uses jQuery auto-complete.The basic flow is the consumer of the control will set some properties (such as the data source) which will then be injected as javascript to initialize the autocomplete.There are a lot of pieces involved so i may have missed posting some of the code, please comment if you think something is missing and i will add it.the consumer's code behind (PreInit event):
myDropDown.DataCallback = "testFunc";
the DataCallback property in the control:
Public Property DataCallback As String
the options object creation and javascript injection in the control code behind (PreRender event):
Dim _serializer As New JavaScriptSerializer()
Dim optionsObject As New Dictionary(Of String, Object)
optionsObject.Add("source", DataCallback)
[code]....
when i debug into the initialize function, i see options has one property, source, with the string "testFunc" as it's value. what i need is for source's value to be testFunc (not as a string) so it can be executed as a callback in autocomplete instead of autocomplete thinking it is a URL.
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May 11, 2012
this is my class:
Public Class Employeeclass
Public Property Fname As String
Public Property Lname As String
Public Property Bdate As Date
End Class
[Code]...
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Jun 17, 2010
i frequently have troubles with the dock property. it seems that either the order of creation or adding to the parent control determines whether or not a control's dock property supersedes another's. e.g. a control with the dockstyle fill will overlap with another docked control on the same parent. does anyone know what the rules are to determine how docking will behave; particularly in dynamically created GUIs?
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Jul 8, 2009
1. when i pick a value from a combo in next col of data grid which also have a combo should populate conditionally.
2.when i edit the cell having combo previous selected value is overwritten by first value of combo it should be if i select any value from combo but should not over written default as i click the cell. (edit mode is on click)
3.by pressing enter key cursor should jump to next cell in same row . means navigation should horizontally but should jump to first cell of next row if cell is last cell
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Feb 12, 2011
I have an asp.net usercontrol which represents a "popup" dialog. Basically, it's a wrapper for the jQuery UI dialog which can be subclassed to easily make dialogs. As part of this control, I need to inject a div into the page the control is used on, either at the very top or very bottom of the form so that when the popup is instantiated, it's parent is changed to this div. This allows "nested" popups without the child popup being trapped inside the parent popup.
The trouble is, I can't find a safe way to inject this div into the page. A usercontrol doesn't have a preinit event, so I can't do it there, and calling Page.Form.Controls.Add(...) in Init, Load or PreRender causes the standard exception "The control collection cannot be modified during DataBind, Init, Load, PreRender or Unload phases."
I thought I had found a solution by using. ScriptManager.RegisterClientScriptBlock(Page, Me.GetType, UniqueID + "_Dialog_Div", containerDiv, False) which seemed to work well normally, but recently a coworker tried putting an UpdatePanel inside the dialog and now she's getting the error "The script tag registered for type 'ASP.controls_order_viewzips_ascx' and key 'ctl00$ContentBody$OViewZips_Dialog_Div' has invalid characters outside of the script tags: . Only properly formatted script tags can be registered."
How are you supposed to add controls to the pages control collection from inside a user control?
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Dec 3, 2010
I am programmatically creating a Tabcontrol and adding Tabpages to it. To each Tabpage, I am adding 2 Pictureboxes (Testpicture1 and Testpicture2). The amount of Tabpages depend on the amount of frames in my .tif file. So, each picturebox holds an image (frame) from my .tif file sequentially from˜0 to totalpages. All good so far. I can click each tab and correct images are displayed in correct order. The problem is that when I drag a control (picturebox) and try to add it to Testpictue1 or Testpicture2 it does not work correctly. At first I thought the it didn't work at all, but when I checked each Tabpage I have found that all pictureboxes got added (draped) to my last Tabpage, in this case Tabpage4. So this is puzzling. Even though each Tabpage holds 2 Pictureboxes and they display the correct images yet the picturebox is added to the Testpictue1 or Testpicture2 of the last created Tabpage? [code]
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Mar 30, 2011
This question is about VB.NET. I'm quite a novice on this one, so please forgive me if you feel that this question is nothing short of crazy or whatever. Anyway, I've been a creating a simple Windows addressbook Form application. We all know for a fact that a single person can have one or more addresses, of which a one-to-many relationship holds true. So there, my application also has to be able to edit each of these addresses (by the way, my application uses an Access Database, which really sucks but it's part of my task), and I already thought of using a control array (just like in PHP but it obviously never worked in .NET) for me to edit them. How am I supposed to implement this?
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Dec 17, 2010
I would like to add a control to read *.xps files, but I don't know which component to add. Which do I add, and in the future, where should I look to find such an answer?
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Jan 11, 2011
I'm having trouble adding a new control to my toolbox.I downloaded the projected and extracted.I the went to the VB toolbox, rightclicked the mouse button and selected choose items. I then clicked the browse button. I selected the folder I had extracted to and then went to bin/debug/menucontroltest.exe.
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Aug 2, 2009
Lets say I have a tablecell and I want to add to it more then one control To HyperLinks for example (I know its ASP.NET but I guess its the same cause its still visual Basic) I can add one control by using
TableCellID.Controls.Add(NewHyperLink)
But if i want to add another Hyper Link, How do I do that ?
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Dec 14, 2011
I'm looking for adding a control on top of others controls during runtime.
I read that the only way of playing with the Z-Order of controls is by playing with the order of the controls inside the Form.Controls Collection. I find this solution very weird and weak and I'm looking for an alternative.
Does anyone has an idea? I just want to make some kind of modal dialog that'll show below another user control to notice the user that the user control is currently doing something.
Edit: I tried using Control.BringToFront() but it doesn't work at all.
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Feb 19, 2009
I know you can add a control or collection of controls to the VB IDE toolbox by adding a dll file to it.Is there an example of how to create a tool somewhere. I would like to be able to design a skin and add it as a toolbox item.
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May 20, 2010
how to add text box control in datagrid.i have 5 column in a datagrid and i would like to put a textbox each column..
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Apr 14, 2010
I have a basic IDE for a user control i am building. It allows me to add labels to a panel and move them around, like a very basic form designer. When I add the controls to the panel at runtime, I'd like to give the control a unique name string like how the VS IDE tracks the controls it already has and adds an extra number when it creates the default control name. I have tried checking the controls collection each time a new control is added, but wasnt sure if there was a good string comparison method to return a name with a unique number on the end that hasn't been used yet.
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Aug 17, 2010
I am having a bit of a problem adding an MSTSCLib.MsRdpClient7 control to a tabpage form.The code snippet at hand:
Dim t As TabPage = New TabPage
Dim rdpcount As Integer = 0
If Not rdp Is Nothing Then rdpcount = UBound(rdp)
Debug.Print("Current RDP count: " & rdpcount.ToString)
[code]....
This code bombs on that last line with the following error:
System.InvalidCastException was unhandled
Message="Unable to cast COM object of type 'MSTSCLib.MsRdpClient7Class' to class type 'System.Windows.Forms.Control'. Instances of types that represent COM components cannot be cast to types that do not represent COM components; however they can be cast to interfaces as long as the underlying COM component supports QueryInterface calls for the IID of the interface."
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Jan 11, 2012
how to add an icon to a user control - I'm talking about the icon that shows up in the toolbox. I have found some articles on the Microsoft site, but honestly they are so complicated and esoteric that I simply cannot follow them - it's like every synaps in my brain is misfiring when I try to read it!
I would love to see a very simple example of how this should be done.
I've tried embedding the image into the resources, setting the build action to Embedded Resource, creating a ResourceFinder class (as per MS advice) and then preceding the class with:
<ToolboxBitmap(GetType(ResourceFinder), "ExposureMeter.Exposure.bmp")>
.. but so far I feel like I'm shouting into a cave without a single bat flying out...
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Jun 14, 2011
I've created a treeview that is going to represent a 'table of contents' for a Word template I use frequently and I need to add checkboxes to each node of the tree view.
Here is some of my code so far:
tvwSIGtemplate.Nodes.Add tvwSIGtemplate.Nodes.Item(2), tvwNext, , "3. Statment of the Issue and Solution"
tvwSIGtemplate.Nodes.Add tvwSIGtemplate.Nodes.Item(3), tvwChild, , "3.1 Issue Details"
tvwSIGtemplate.Nodes.Add tvwSIGtemplate.Nodes.Item(4), tvwNext, , "3.2 Solution Details"
What to add to these lines to simply display a checkbox next each line?
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Mar 11, 2010
I am using the template for the login form provided by Visual Basc 2005. I want to add a list box or drop down menu to it for the user to be able to select the desired server to connect to. Is this possible? I have tried declaring a listbox and then adding it to the form but it did not show up.
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Jun 19, 2012
Is it possible to have a custom control (inherits from Control) and add sub-controls to it (like, a label for example)? Basically I want a composite control. I know controls can contain other controls, but if I try to add a control to MyBase.Controls, this doesn't work because that's readonly.
[Code]...
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Jun 3, 2011
I need to be able to add items to a ListView Control and to additionally add a label as well. I have included an image to serve as a reference. This is for an application I am building for a handheld device.
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Jan 14, 2011
I have a control which consists of a couple of labels and a couple of buttons side by side.I want to add multiple instances of this control to a panel.The problem I have is with positioning/formatting.Whenever I add the control it just gets added on top of the previous one.Should I be using something other then a panel? Are there any tips ot tricks I should be aware of ?
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Oct 21, 2009
adding the properties of a control to its parent? Without having to rewrite all the properties... For example, if I have an user control with a button inside, and I want to have the "text align" property of the button, in the list of properties of the usercontrol. If not, is there a way of making the child control of an usercontrol editable?
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Oct 20, 2009
The following code will display items in the listview control when For Each strElementToSearch As String In fruitArray loops once using the string strTheses1 however when it loops again using the string strTR1 it will replace the items from the first loop. In another words I want to keep adding items to the ListView control. [Code]
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Feb 16, 2009
I am adding a TextBox to my asp.net page programatically via a PlaceHolder Control. However when I set the TextMode value to MultiLine I get this error:System.FormatException: Input string was not in a correct format.
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Jun 12, 2011
UserControl Contain two combobox and Gridview Control. When i add this control to my form and change the value of combobox selected item then the value not get into the form But when i debug the code and reevaluate (Quick Watch it) then i get the value of combobox.selecteditem
[Code]
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