C# - Delay The Need To Specify T In Asp.net User Control?

Aug 16, 2011

My dilemma: I have a POCO: "ReportSource" that is generic. I have a user control wrapping up some report building logic. My user control defines a ReportSource property but it will ultimately be the job of the page that calls the user control to assign that ReportSource property. How can I define the property in my user control without specifying a T? Btw, I tried (just for larks) to make the user control generic... That ended badly. public ReportSource<T> ReportSource {get; set;} (Note that I've tagged this as C# and VB.net... C# is my norm, but I'm having to deal w/ legacy.

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Slide Show - Allow User To Set Delay Time For Each Photo?

Apr 26, 2011

I was asked to create a slide show in Visual Basic 2010 that had to meet certain requirements but I've run into a few difficulties. I have a slide show that works but it doesn't meet my friends standard and I'm not sure how to go about this process.He asked me to meet these requirements: The Slide Show Project requirements of your project are:

1. The use of if statements.

2. The use of arrays.

3. The use of loops.

4. The use of graphics.

5. The use of key/mouse controls.

6. The use of images.

7. Allow user to set delay time for each photo.

8. Transition effects 1: Fade in, fade out

9. Transition effects 2: Fly in, Fly out

10. The use of timers.

11. Borderless, always centered.

12. Introduction Screen, Credit Screen.

13. innovations, special feature.

The code that I had previously came up with was as follows:

Public Class Form1
Private ImageFileNames As New List(Of String)
Private CurrentImage As Integer = -1[code].....

I pre-loaded my own photos into the slide show but I just want to know how to right this code in order to satisfy my friend.

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.NET WebBrowser Control Delay?

Mar 26, 2012

I have this code in VB.NET :

Having:
1 TextBox
1 Button

with this code:

Code:
Public Class Form1
Dim m As String()
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
m = TextBox1.Text.Split(Environment.NewLine)

[code]....

it navigates only to the last website [URL] i think that's because the for loop is faster that navigation process?

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C# - ListView ItemActivate Delay Between When The User Clicks The Item And The Event Fires

May 12, 2009

I have a ListView with the Activation property with HotTracking. There appears to be about a 2 second delay between when the user clicks the item and the event fires. Is there a way to get the event to fire immediately upon the user click?

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Textbox Change Refreshes Data... Any Way To Delay Until User Finishes Typing?

Feb 28, 2012

In an application I have, when a user types in a textbox, the data in a listview is refreshed to reflect what the user is typing.As it stands, it does a refresh after each key is entered.Is there any way to smartly wait until the user has finished typing before initiating a data refresh?

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Time Delay - Make GUI Program To Delay Before The Next Command

Dec 21, 2009

I know that time delays have been covered before around almost everywhere. however a method that forgoes forcing the GUI to become temporarily non-responsive, is all but a myth, or at least to my findings. i have the need for a GUI program to delay before the next command, however using the current method, detailed following, it causes the desired effect however it dose make it much less polished as when you click anything else on the GUI it goes un-responsive for the directed time. [Code] make a sub called say Tdelay( milseconds as integer) and have it run a loop as many times as the milseconds variable indicates and each time making the thread delay for 1 milsecond and then update the GUI/form in some way, then re-loop.

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User Control And Panel - TargetPnl To Display User Control Named Vviewer When Click SearchBtn?

Nov 6, 2009

I have an application going here Form1 has a panel on it named TargetPnl. I need my TargetPnl to display my user control named Vviewer when I click my SearchBtn and also need it to disappear when I click another button.

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User Control - Calling A VB Linkbutton's(within A User Control) Click Event From Javascript?

Apr 11, 2009

how can i call a VB function - deleteevent() in usercontrol.ascx.vb from a javascript function in clickhandler(e) in usercontrol.ascx. The call should cause a postback because I need the usercontrol to display the changes.I am currently trying to do it by using a linkbutton with style display:none, and calling its click event from the javascript function. But i dunno how to call the click event.

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Find And Interact With A User Control On Page From Separate User Control?

Oct 17, 2011

I have an aspx page that has two different user controls. I want to find user control A and be able to set properties, etc., from user control B.

I was thinking I could do something like this:

Dim CMFilters As Control = Me.Parent.FindControl("CMFilters")

...but that doesnt work to be able to set properties and call methods. I somehow need to get the user control and and declare it as that user control type.

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Run A User Control Sub After Container Has Initialized User Control Properties?

Dec 22, 2010

In a user control I have the code shown below.

I now realize that it is incorrect because the container's InitializeComponent property initializations have not run yet and they must be run prior to Refresh being called.

How (where) can I run Refreash after the container has initialized this user control.[cod]e...

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VS 2005 Using Combo Box In User Control And Getting Selected Value In Another User Control

Aug 31, 2009

i am using vb.net 2005 to developed desktop application I am having two windows form user control , the first control name con.vb containing the design and code for connecting to database and getting a list of my project values in combo box.

Now the second user control report.vb which i am using to generate some reports , since the code behind is using connection to connect to various project database , so i want to get the value of

First user control into another how i can get the i have tried the below but its giving me error in run time but no error in design or code behind -

MR.MainForm.Connection1.project_combobox.SelectedV alue.ToString

Error i am getting is :

System.NullReferenceException was unhandled
Message="Object reference not set to an instance of an object."
Source="MDR"

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Access User Control Attributes From A User Control?

Mar 27, 2009

I am trying to build a tournament bracket application. In order to build the application efficiently I would like to make a user control "GameControl" that represents a game and give it attributes that represent the names of the competitors "TeamNameA" and "TeamNameB" ,an attribute "Winner" to represent which team should move on, and an attribute "NextRoundGame" that assigns another instance of the user control so that it can assign the "winner" to one of the "TeamName" attributes of the next round in the competition. If the controls were native to VB I feel like I could do it easily (I have only spent about 30 hours self teaching/tutorial following) but I can't seem to find out how to pass values to custom attributes of custom user controls through code.

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Auto-fill A User Input Control With The User's Windows?

Feb 11, 2011

I am creating a form for work where managers can report when they find a customer's personal information laying around on a desk (we work at a call center where agents answer calls for a wireless cell phone provider, so we take personal information security very seriously). Anyway, I am wondering if there is a way to have a text box autofill with that manager's windows username (since they will need to be logged into their own profile to use the form).

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Use Parent User Controls From Externally Loaded User Control?

Jun 2, 2012

i have a windows from project and in that project i created a user control lets call itcustombutton1 now i can use that control quite easily either at design time or runtime by creating a new instance of it like

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Showing User Control From Another User Control?

Sep 16, 2010

I have created three user controls, which will be used on the various forms in my program. However, I need the buttons on one to call the other two.

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Vb6 Migration - .net Taking Too Much Time To Load User Control Containing Label Control Array?

Dec 22, 2011

I am upgrading user control from vb6 to vb.net.In the vb6 application I am loading 3000 labels using a label control array.In vb.net I am doing same but it's taking too much time to load.In vb6 it's taking 1-2 seconds, but in vb.net it's taking 30-40 seconds for same work. Why does it take too much time in vb.net for same work?Code is given below, here Led is the label control array.

For l = 1 To 3000
Led.Load(ledCounter)
ColLed.Add(Led(ledCounter))

[code]....

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Make Assembly FULLY Trusted - Use The Web Browser Control In User Control

Dec 19, 2009

I am trying to use the Web Browser control in my vb .net user control. I am using VS 2008. Finally, I will be calling my assembly (.dll) from a web page. I wanted to display the usercontrol with the web browser control inside this web page. The problem is I cannot proceed since the Web browser control cannot be called from a partially trusted assembly. Using VS 2008 I have created a strong name for my class, also added the <Assembly: AllowPartiallyTrustedCallers()> to the AssemblyInfo. But still the web browser control cannot be seen in my web page. Do you how I can make my assembly fully trusted so that it can access web browser control? If you have used web browser control, can you confirm if this step is really required?!

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User Control Which Works As A Login Control Using Windows Class Library

Feb 12, 2009

I Need Build a user control which works as a Login control using Windows Class Library or Component Template:The user control returns the user name and the password It means that the control has minimum two ReadOnly Property procedures. You let the user of your control (he/she which uses your control in his/her software) to set the background colour of the two labels. Create a Windows application to test your control.

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Inheritance A Classic React Class Into A User Control To Add The Hight And Width Properties To The Control?

Feb 28, 2011

I tried it and get an error but maybe I'm tring the wrong way. Can a usercontrol inherate an application defined class ie.. could you inheritance a classic rect class into a user control to add the hight and width properties to the control without having to do all the coding all over again? Currently I just declair a private instance of the class within the control and then encapsalate. It would be nice if I could just inherit all the functionality of my classes into controls designed to implament the classes.

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One Trigger A Click Event In A UserControl From The Main Form's Tab Index Control That Contains An Instance Of The User Control?

Jan 5, 2011

The code is listed below which hopefully illustrates what I'm trying to do:[code]....

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Asp.net - Adding To Page Control Collection From Inside A User Control?

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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Bind Property Of User Control To One Of The Parent Control's Fields?

Dec 30, 2011

If I need access to the value of a user control's property BEFORE PreRender, would I need to base the custom control off of one of the preexisting data controls (repeater, listview,etc.)?One of my user controls features a gridview control that is configured based on the user control's properties on which it resides. Several of the key properties alter the SQL Statement for the underlying recordsource. I'm now in a situation where the property that sets the WHERE statement for the SQL Statement needs to tied to a value in the user control's parent FormView. Think of the formview as displaying a customer detail record. The user control takes the customer's account number and then displays data from a related table such as Customer Contact Names. Since the gridview is created before the control's prerender event, working within the prerender event doesn't seem efficient.

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Set CommandTarget Of WPF Control As Textbox Which Is Written In Win Form User Control?

Feb 10, 2010

i want to set the CommandTarget property of menu item to the TextControl which is written in win form or just tell me any way which can execute the command lets say cut copy paste on the control which is written in win form user control and added to xaml through WindowsFormsHost

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Access User Properties Within User Control?

Jan 27, 2012

I've created a user control that is basically a Panel that contains 1 label,3 TextBoxes and a few properties that set/get some short integer values.During a form load event I display a number of these Panels.I then access the Panels name (and other panel properties) via a user-created handler for the panel's click eventHowever I would really like to access the values from the user-control's properties.

Public Sub load_Panels()
Dim pnlName As String
Dim x As Short = 69

[code].....

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Asp.net - Read One User Control Label Text In Another Use Control?

Apr 23, 2012

I am using two user controls in my web application. I want to read a Label text from a user control via another user control. How can i read it?

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Create Browsable User Control With List Of All Available All Control In MDI?

Jun 11, 2012

I'm developing a program with a team in Visual Basic 2010.

What i wanna do is to create a textbox (inherits from textbox) with additional one property called MDIStatusInformation which is used to display a tooltip text in a status bar at main MDI form.

When i use this tag <Browsable(True)> _, the control property not list anything there.

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Embed A SilverLight Control In ASP.NET Control (user Or Custom)?

Apr 29, 2010

We have a ASP.NET web application written in VB.NET where we build content programmatically during the Init event.We make extensive use of user controls, building them on the fly, and I now want to start including SilverLight content.Is there an easy way of embedding a SilverLight application in a control, and then instantiating the whole thing in code, in the same way as you'd programmatically add ordinary ASP.NET controls to a page?The SilverLight component itself works fine when added to a page using the <object> tag but I really want to be able to reuse it elsewhere in code.Since I'm expecting use of SilverLight to increase in our application, and the asp:Silverlight control seems now to be deprecated, I'm looking for an alternative way of wrapping the content.

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Inherit An Existing Control (user Control) And Add It To The ToolBox?

Apr 10, 2009

How do I inherit an existing control (user control) and add it to the ToolBox?

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Play Audio According To The Value Of Selected Control In A User Control?

Apr 2, 2012

How can i play an audio that possibly mp3 or wav without let the user to select the file by using the open dialog box. i want the audio to play when the user press a key. for example user press key 1 then audio1.mp3 will be play.

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C# - Control Or Control Interface Is Editable By The User?

Dec 1, 2010

I'm looping through an array of controls and need to know which controls an end-user has the ability to (via JavaScript or directly) change the value that gets posted back. Where can I find such a list?

So far I have this:

Private Function IsEditableControl(ByVal control As Control) As Boolean
Return TypeOf control Is IEditableTextControl _
OrElse TypeOf control Is ICheckBoxControl _
OrElse GetType(ListControl).IsAssignableFrom(control.GetType()) _
OrElse GetType(HiddenField).IsAssignableFrom(control.GetType())
End Function

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