C# - Running A Server Control Inside A MVC View Page (asp.net)?
Apr 1, 2010
I know i can run webforms and mvc views in seperate files, but i want to run the web server control output and events in/on the mvc view page, however, i keep getting this compiler error:
Line 38: <CuteWebUI:Uploader ID="UploadPic" runat="server" UploadType="IFrame"
Line 39: FileTooLargeMsg="{0} cannot be uploaded! File size ({1}) is too large. The maximum file size allowed is set to: {2}."
Line 40: TempDirectory="~/UserData/Images/TemporaryImages" UploadingMsg="Uploading..."
[code]....
i don't know what else do do, it just wont recognize the control name when im writing the event signature, right after the "handles" keyword, comes the server control name and then a dot, and then the event name, but as events its just giving me "Me", "MyBase" and "MyClass" options to run events for... doesn't let me access "FileUpload.OnFileUploaded" which is the control name & event name i want to write the sub routine method declaration (and subsequently method) and signature for.
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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 29, 2010
I'm new to custom server controls and I'm hoping to use them to build various 'modules' for different sites I build to cut down on duplicate code.
I'm familiar with custom user controls in which I can create an .ascx & .ascx.vb file which can then be imported into an .aspx page and used freely.
However, with custom server controls I cannot find a way of using markup/html code. Is this possible at all or must all code be created programmatically?
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Apr 12, 2011
I have a problem with My dataGridVew. i am trying to export data from my DB to excel fie. it's a small page where there are only data grid view and button to export like this :
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
[CODE]...
When i click on the button error message is coming : "Control 'GridView1' of type 'GridView' must be placed inside a form tag with runat=server.???" even i have placed it in form ?
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Oct 27, 2011
I have a problem loading data to a tree view control using SQL SERVER db as my backend...i just found out that sqlserver dont accept multiple SQLDATAREADER
The code below works in SQLCOMPACT EDITION..
CODE:
I have use this code in my applications using SQLCE as my backend, but when i transfered to sqlserver it doesnt work because of the datareader..
Output is like this
Quote2011[January][February]
2010[January][February]
something like that
If i put it in a single query(sqlYear & sqlMonth), the ouput will be like this
Quote2011[february]
2011[january]
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Aug 30, 2009
I am trying to check all the checkboxes on a webform (aspx) page, which is inside a master page,depending on the ID of the checkbox. The checkboxes are created dynamically, so I only know the prefix for finding it. So, I need to find these checkboxes by iterating the controls on the page somehow. It's not working out.
[Code]...
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Jan 6, 2010
I'm trying to retrieve a custom Attribute set on a page's class from inside the MasterPage. Normally to do this I would need to reflect directly on the specific class, but inside the Master page it's always referred to as the Page type (the parent class). How do I determine the specific type of the Page property?
Here's an example of what I'm trying to do:
Dim attrs() As Object = Page.GetType().GetCustomAttributes(GetType(MyCustomAttribute), False)
For Each attr As MyCustomAttribute In attrs
' Do something '
Next
but it only ever returns the attributes attached to the actual Page class.
I'd rather not have to derive a new base type from Page if I can avoid it.
Here is how my class is defined (in the code-behind):<MyCustom()> _Partial Class PageClass Am I defining this in the wrong place?
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May 17, 2012
So i've been working on a page for a project where the person logs into a login page and then can see a list from the database of employees. everything is working except for one problem. If someone puts in a username and password, username= a and password=b, for example it still allows that individual to view the next page and doesn't throw the error that i have enbedded on the login page to say sorry you have the incorrect password/username. The working code that i have so far is below:
[Code]...
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Oct 30, 2011
I have more than 30,000 rows in a table. It takes a lot of time to load all the data in the gridview. So I want to display 100 rows at a time. When I click next page button, another 100 rows should be displayed. When I click previous page button, previous 100 rows should be displayed. If I type page 5 in a text box, then I want to jump over to the 5th lot of rows.
I also want to display how many pages there will be. Can we implement this concept in vb.net [winform] gridview. I am using database PostgreSQL.
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Apr 30, 2012
I am making an invoicing application. I have a label (lblCost) inside of a UserControl (InvoiceEntry) inside of a FlowLayoutPanel (pnlEntries). InvoiceEntry represents a line item on the invoice, and pnlEntries is the "body" of the invoice. pnlEntries can hold several InvoiceEntry controls.
I am attempting to sum all of the lblCost values from each InvoiceEntry control to make a subtotal, and I want that subtotal to change automatically if costs are changed (e.g., a change in quantities being ordered). Is there a way to handle when the lblCost.Text property of any of the InvoiceEntry controls contained within pnlEntries changes?
InvoiceAdd.vb:
' Instantiate objects of the various database interaction classes.
Private mCustomer As New Customers
Private mItem As New Items
[code]....
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Jun 9, 2012
I need to be able to have some way to show the contents of a folder in my application. much like windows explorer, in a sense that there are specific icons for say a video, image or music. is there a easy way to implement this in say a flow layout panel?
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Nov 17, 2009
I have a number of msgbox's I only want to be displayed if I'm debugging (running inside the IDE)
Is it possible to raise a flag as such:
If RunningInsideIDE=True then
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Oct 11, 2009
What I'm wanting to do is gonna sound pretty strange. I play a game called Wonderland Online. Usually while playing, I will have between 3-4 instances of the game going at the same time, each instance running a different character. Also, I will have open another program that I wrote that helps me figure out what I need to manufacture a certain item in the game. The running game is an 800x600 window, and I have all 5 of these windows open at once, where I am constantly moving things around, minimizing and maximizing.I want to create a app that would basically be a frame for the game. Creating the frame would not be hard, but this is the first time I have tried to get an external EXE to basically run inside of my program. Is this even possible? And if so, I would imagine I could run multiple EXEs and flip between them inside my frame. I could integrate my manufacturing program into the frame, as well as control which instance of the game is visible inside the frame.
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May 30, 2012
how to view explorer in list view control?
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Mar 16, 2012
I don't find how to submit a form that's in a partial view.I've made a kind of search engine for a website. I'd like to add it in the layout from a partial view. My problem is that when I click on 'submit', nothing happens if I'm not in the search view.[code]
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Mar 29, 2011
Why cant i accesss this textbox inside the repeater I have used the following on the rgroups itemdatabind no matter what i do it says the object cannot be referenced.
<asp:Repeater ID="rGroups" Runat="server">
<HeaderTemplate>
<ul id="prod_nav" class="clearfix">
[Code]....
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Oct 27, 2011
I have a DataList inside another DataList. I want to access the child DataList "dlQuestion" events, ItemDataBound event. Also, I'm tring to find the control LableControl "lblQuestion" in the child datalist. How do I do that? Here's the mark-up:
<asp:DataList ID="dlSection" runat="server" Width="100%">
<ItemTemplate>
<div>
[code].....
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Feb 3, 2012
i have a problem with SetEnviroment function in VB.net. i have a small program created with vb.net and want to communicate with batch file changing the environment variables but as I mentioned in the below sample code is not running clear and while run.bat is running there is no effect inside batch file What might be the problem?
[Code]...
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Dec 19, 2008
I have a FPS game i built using FPS creator that works fine but i want to run it inside my form. Like so for example:
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Mar 8, 2009
I have a form with a Tab Control that has 18 pages. When I click on a tab it opens the page and select a textbox on that page (txtTextbox1. Select() ). This works for the first 8 pages but not for the remaining 10 pages. Although on these pages I can mouse click on the textbox, enter info, save then click my Add button that clears the textboxes and has the code (txtTextbox1. Select() ). The textbox is selected just fine. The code for all my pages is the same except for the tab name and the control names. The tab key will move the selection to the next textbox in order on all pages and the Enter key is coded to do the same. The first 8 pages have a total of 256 labels, buttons, list boxes, textboxes and checkboxes on them.
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Apr 27, 2011
I have a user control that checks if a certain query string and session value are present then returns a boolean based on that, if it's true I want to set the master page. The page is throwing an Object reference exception when it tries to call the method EditUser1.UserAuthorization(). Why is this happening? I imagine that the method doesn't exist at that point in the stack. Protected Sub Page_PreInit(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.PreInit
[Code]...
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Nov 18, 2011
Using vb.net on an aspx code behind event, is there away to tell from a parent page if the child page popup is open, and then close the child page if it is truly open based on some event on the parent page, like clicking a gridview edit link, again?
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Oct 25, 2009
Iam using vb.net 2008.I have richtextbox. I save as wordpad format [rtf] file. Now I need to view it in inside the panel of my form.[code..]
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Nov 17, 2011
One of the features of my new Vb game is the ability to modularly add and remove in-game items. However, in order to add these items I figure their effects should be recorded in code in the text file they will be stored in.In short, I want to store code in a text file and then have it run on command
Furthermore, is there a way I could put all of the code on one line?
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Dec 27, 2009
I want to access a page variable from a user control placed on that page. All the solutions work in C# via casting to the page class. The problem is that this doesn't work in VB. The page class is not selectable from the Intellisense dialog. Manual typing results in the error type not defined. It is strange that C# can do this without a problem. What is the proper solution for this in VB? I had other cases where I needed to access a control on the main page. C# again uses a cast to the page class to access the control. This doesn't work in VB again. So how can I access the page class from a user control in generell?
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May 21, 2012
I am using <%@ MasterType virtualpath="~/__.Master" %> to embed my master page content into child page to access control belong to Master Page. I have one DropDownList in Master page. And I want to access its SelectedValue in my Child Page.
Problem is when page first time loads and as I am trying to access DropDownList's Selected Value by writing in child Page - "Master.DropDownList.SelectedValue". I am not able to get DropDownList's Value. Its display's Blank.
But When Page.IsPostBack I am able to get SelectedValue of that DropDownList.
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Mar 12, 2012
I'm just trying to figure out how to use a Timer inside a Page that is using the NavigationService. Here is what I have:
Public Class SplashPage
Inherits Page
Public Sub New(ByVal oData As Object)
StartTimer(5000)
[code]....
The NavigationService.CanGoBack statement is causing the error message: "The calling thread cannot access this object because a different thread owns it."
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Jun 6, 2012
am doing paging to read pdf file page by page and open the page in browser I tried to use itextsharp and itext but it return the page as text is there any way to read the pdf file page and view it in broser exactly as in pdf with formating
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Apr 5, 2010
The conditions are I don't have administrator privilege I want to see the status of a service in remote machine (server)I use the following code (vb.net with framework 2.0) to see the status
Dim sqlSvc As ServiceController
Svc = New ServiceController(My.Settings.serviceName, My.Settings.machineName)
If sqlSvc.Status.ToString.Equals("Running") Then
displayStatus("success", sqlSvc.Status.ToString)
Else
displayStatus("error", sqlSvc.Status.ToString)
End If
When running the code, InvalidOperationException is raised and found out that I need admin right in the server.Can I lookup the status of the service without having admin right in remote machine ?
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Jul 29, 2009
I've created my own ascx control with button inside it. Now I'm using this control inside other control. (In my case it is a webpart). What I would like to do is program button.click logic from my custom control inside webpart
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