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• Using getElementById inside user control

  - by toraan

  I have a usercontrol that hides a div when a button is clicked. <asp:LinkButton ID="lnkbtn" OnClientClick="ShowHide(); return false;" runat="server" /> <div id="popupPage" style="display:none;"> </div> function ShowHideGotoPopUp() { var ob = document.getElementById("popupPage"); if (ob.style.display == "none") ob.style.display = "block"; else ob.style.display = "none" } There is a problem when I place on page more then 1 usercontrol, all controls has div with same id = popupPage.

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• Upgrading PEAR in command prompt: "Error:Failed to mkdir C:\..."

  - by noscript

  I've just installed PEAR into WAMP attempting to follow this article. It all seems to have gone okay but when I type "pear upgrade" into the command prompt I get this error: ERROR: failed to mkdir c:\php\pear\docs\Archive_Tar\docs It is looking on the wrong drive (and missing a subdirectory in that path by the looks of it). It should be looking for D:\php\php5.3.13\pear\docs\Archive_Tar\docs When specifying installation directories I chose ones on the D:\ and thats where the folder structure is, the include_path in both php.ini locations have also been updated. I've also reset the WAMP server after making the changes. How do I set it to look / install the package in the right place?

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• How to Deal with SET ANSI_NULLS ON or OFF ?

  - by Shantanu Gupta

  I want to call this procedure that sends one value that can be NULL or any int value. SELECT DomainName, DomainCode FROM Tags.tblDomain WHERE SubDomainId =@SubDomainId I simply want to use this single query rather than what i m doing right now in below given code. I searched for this how could i do this then i got this Link. According to this I have to set ANSI_NULLS OFF I am not able to set this inside this procedure before executing my sql query and then reset it again after doing this. ALTER PROCEDURE [Tags].[spOnlineTest_SubDomainSelect] @SubDomainId INT AS BEGIN -- SET NOCOUNT ON added to prevent extra result sets from -- interfering with SELECT statements. SET NOCOUNT ON; -- Insert statements for procedure here IF @SubDomainId IS NULL SELECT DomainName, DomainCode FROM Tags.tblDomain WHERE SubDomainId IS NULL ELSE SELECT DomainName, DomainCode FROM Tags.tblDomain WHERE SubDomainId =@SubDomainId END What will be the better practice to do deal with ANSI_NULLS or Using If Else

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• How to reduce size of html rendered from ASP.net ?

  - by Rbacarin

  I'm developing a newsletter in asp.net that will be send to a large quantity of users, so each kilobyte that I can reduce will help a lot in the use of bandwidth consumption, what I do until know is write the aspx excluding some spaces between tags, and before render, i've renamed some controls ids to "-" to save more space. So now, the file has 50kb. I need a file with 25 Kb. Can anyone teach me any other way do save more space ? ps.: I Use 3 divs with some data, and 2 repeaters, one inside other, to generate a table with some data for me. thanks in advance

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• timeline charts with rich ui

  - by Karthick R

  hi all, I have a requirement to come up with a time line chart and a few more controls on a single page[with rich ui]. I have short listed Flex, JSF[apache trinidad], html5, gwt these technologies. None of them provide timeline charts on their own. I am looking at other options such as using third party libraries. The chart should have drill down capabilities as well. Let me know if there is any specific technology that I should try. regards

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• How to apply a force which should not be continuos

  - by sohan

  I have a body which I move with the help of a button,here is what Im doing -(void) step: (ccTime) delta { int steps = 2; CGFloat dt = delta/(CGFloat)steps; for(int i=0; iactiveShapes, &eachShape, nil); cpSpaceHashEach(space-staticShapes, &eachShape, nil); if(MoveBody) { cpFloat movementPadding = 0.1; cpBodyApplyForce(body, cpvmult(ccp( 10, 0), movementPadding), cpvzero); } else cpBodyResetForces(body); } I just want to stop the body moving whenever the condition fails,I am trying to reset all forces to 0 with cpBodyResetForces(body),but this never work,it just keep on moving. can anyone help me how can I stop the body moving?

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• Is there a single query that can update a "sequence number" across multiple groups?

  - by Drarok

  Given a table like below, is there a single-query way to update the table from this: | id | type_id | created_at | sequence | |----|---------|------------|----------| | 1 | 1 | 2010-04-26 | NULL | | 2 | 1 | 2010-04-27 | NULL | | 3 | 2 | 2010-04-28 | NULL | | 4 | 3 | 2010-04-28 | NULL | To this (note that created_at is used for ordering, and sequence is "grouped" by type_id): | id | type_id | created_at | sequence | |----|---------|------------|----------| | 1 | 1 | 2010-04-26 | 1 | | 2 | 1 | 2010-04-27 | 2 | | 3 | 2 | 2010-04-28 | 1 | | 4 | 3 | 2010-04-28 | 1 | I've seen some code before that used an @ variable like the following, that I thought might work: SET @seq = 0; UPDATE `log` SET `sequence` = @seq := @seq + 1 ORDER BY `created_at`; But that obviously doesn't reset the sequence to 1 for each type_id. If there's no single-query way to do this, what's the most efficient way? Data in this table may be deleted, so I'm planning to run a stored procedure after the user is done editing to re-sequence the table.

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• Tracking changes to individual fields - Silverlight

  - by Appu

  I have a page which has got several text boxes. These controls are bound to a model. I am using MVVM. Assume I have three text boxes, FirstName, LastName and Company. So in the model, I have three properties to bind. Now I need to track the changes happened to each field. If FirstName changes from original value, I need the text box to be colored with a different background color. Currently I am creating another property called FirstNameChanged and binding the background to this property. This will be updated when I change the FirstName. For 3 fields, this seems to be OK. But when I have more fields, the number of properties will be too much. Is there a better way to handle this?

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• How do I build a DataTemplate in c# code?

  - by Russ

  I am trying to build a dropdown list for a winform interop, and I am building the dropdown in code. However, I am having a problem getting the data to bind based on the DataTemplate I specify. What am I missing? drpCreditCardNumberWpf = new ComboBox(); DataTemplate cardLayout = new DataTemplate {DataType = typeof (CreditCardPayment)}; StackPanel sp = new StackPanel { Orientation = System.Windows.Controls.Orientation.Vertical }; TextBlock cardHolder = new TextBlock {ToolTip = "Card Holder Name"}; cardHolder.SetBinding(TextBlock.TextProperty, "BillToName"); sp.Children.Add(cardHolder); TextBlock cardNumber = new TextBlock {ToolTip = "Credit Card Number"}; cardNumber.SetBinding(TextBlock.TextProperty, "SafeNumber"); sp.Children.Add(cardNumber); TextBlock notes = new TextBlock {ToolTip = "Notes"}; notes.SetBinding(TextBlock.TextProperty, "Notes"); sp.Children.Add(notes); cardLayout.Resources.Add(sp, null); drpCreditCardNumberWpf.ItemTemplate = cardLayout;

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• Asp.Net gridview customization

  - by Kunal

  Hi If you go to http://ifdefined.com/btnet/bugs.aspx you will see a long list of sample data in an asp.net gridview control. What I need to do is something similar. I need to implement the filtering system by placing dropdown controls with dynamic values on the headers and then filter the record according to them. If you look carefully they are filtering the data based on multiple drodown selections as well. Kindly help me out. Any kind of input is highly appreciated. Thanks in advance for your time.

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• how to protect an imported win32 dll into a .net application from memory issues

  - by Eric

  I have a c# application that needs to use a legacy win32 dll. The dll is almost its own app, it has dialogs, operations with hardware, etc. When this dll is imported and used, there are a couple of problems that occur: Dragging a dialog (not a windows system dialog, but one created by the dll) across the managed code app causes the UI to not repaint. Further it generates a system out of memory exception from various ui controls. The performance is incredibly slow. There seems to be no way to unload the dll so the memory never gets cleaned up. When we close our managed app, we get another memory exception. At the moment we import each method call as such: [DllImport("dllname.dll", EntryPoint = "MethodName", SetLastError = true, CharSet = CharSet.Auto, ExactSpelling = true, CallingConvention = CallingConvention.StdCall)]

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• Browser App - RAD UI Development - Is it possible?

  - by Randy Minder

  I've been away from building browser applications for a long time. I'm now interested in creating one for a hobby of mine. I dread having to deal with HTML, JavaScript etc. to build a high quality browser based user interface. I've got the full suite of Telerik controls. Is it possible to build a polished, somewhat feature rich browser UI while being sheltered from the archaic environment of HTML and JavaScript? I'd love to be able to simply drag-drop components, much like building a Win UI and have the exact HTML, JavaScript code created for me. Thanks!

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• Creating a Non-Databound Report in Winforms

  - by Jon

  I am using Visual Studio 2008 and all the components that come with it as well as Infragisitics for Winforms. I need to design a label that will print to a label printer. None of the controls are databound and will most likely be set in code eg/Label.Text = "My Heading"; as there will be minimal information on the label. One piece of information is a barcode so I need the functionality to do that, I assume I can just set the font of the label to barcode and it will do its thing. Can I just add a Crystal Report to a form design it, set the label text properties in code, tell it what printer to print to and then call report.Print(); I've had a quick go and seems not as easy as I thought. Thanks

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• Redirecting before POST upload has been completed

  - by vartec

  I have form with file upload. The files to be uploaded actually are pictures and videos, so they can be quite big. I have logic which based on headers and first 1KB can determine if the rest will be processed or immediately rejected. In the later case I'd like to redirect client to error page without having to wait for upload to finish. The case is, that just sending response before POST is complete doesn't seem to work. The redirect get's ignored and if I close connection, browser complains with "Connection reset by peer" error. So the question is: is it even possible to do that in pure HTTP (without JavaScript on client-side), and if so, how?

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• Change WPF Datagrid Row Color

  - by juergen d

  I have a WPF datagrid that is filled with an ObserverableCollection. Now I want to color the rows depending on the row content at the program start and if something changes during runtime. System.Windows.Controls.DataGrid areaDataGrid = ...; ObservableCollection<Area> areas; //adding items to areas collection areaDataGrid.ItemsSource = areas; areaDataGrid.Rows <-- Property not available. how to access rows here? CollectionView myCollectionView = (CollectionView)CollectionViewSource.GetDefaultView(areaDataGrid.Items); ((INotifyCollectionChanged)myCollectionView).CollectionChanged += new NotifyCollectionChangedEventHandler(areaDataGrid_Changed); ... void areaDataGrid_Changed(object sender, NotifyCollectionChangedEventArgs e) { //how to access changed row here? } How can I access the rows at start and runtime?

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• Order objects for Northwind Access database

  - by Artem Shnayder

  I need to build two objects: an OrderList and an Order. Using those two objects, I have to populate a DataGridView with a history of the orders. However, I am instructed not to use binding sources for the connection or other drag and drop controls. Unfortunately, from Google it seems like those are the most popular options for this type of problem. Can anyone point me in the right direction? I don't have much experience with C#. Thanks.

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• A simple tutorial for a beginner with WPF

  - by Aditya

  Hi Guys, I started today working on WPF for the first time. My requirement is to create a windows application using WPF. I mean an application which has page, buttons, tree view, log details (typically of selecting a project and subproject then manipulate the data on it) using WPF controls. Can I get some basic tutorials on this please. I explored… but I couldn't get right stuff for the work. Please help. Thank You, Ramm

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• What's the equivalent in C# of this VB code on an Outlook form?

  - by wes

  Basically, how do I link an Outlook form and a C# back end? In VB you can write on the form Sub ButtonName_Click() Dim Recipients With Item.GetInspector.ModifiedFormPages("Message") Set Recipients = .Controls("To") End With End Sub which will fire whenever the button named "ButtonName" on the form is clicked and will set the variable Recipients to a string of whatever is in the To text box. Now I have a custom form, and I have a VS C# Outlook Add-in, and they're two separate things. I've got an event handler that can catch MailItem objects, but I don't know how to handle custom form button clicks or even how to access elements on the form. EDIT - Just to clarify, the custom form was created in Outlook and then its .ofs was imported into VS. Both Outlook and VS are 2010.

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• help me to understand viewstate

  - by EquinoX

  I was just reading this article here to understand about how view state and ASP.NET page cycle works. I just don't understand this part here: If this were the case, then in step 3 the Label's Text property would be assigned to "Hello, World!" in the instantiation stage, but would not be reassigned to "Goodbye, Everyone!" in the load view state stage. Therefore, from the end user's perspective, the Label's Text property would be "Goodbye, Everyone!" in step 2, but would seemingly be reset to its original value ("Hello, World!") in step 3, after clicking the Empty Postback button. This paragraph is after the three step 1, step 2, step 3 boxes. Why wouldn't the label's text property be reassigned to "Goodbye, Everyone" in the load view state?

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• Why are my JavaScript variables not persisting across functions?

  - by Eric Belair

  I have the following JavaScript in my HTML page referencing an HTML form on the page: <script type="text/javascript"> <!-- var myForm = document.myForm; function validateForm() { if (myForm.myInput == "") alert("Please input some text."); return false; } myForm.submit(); } function showFormInput() { myForm.reset(); document.getElementById('myInput').style.display = 'inline'; } //--> </script> ... <form name="myForm" id="myForm" action="..." method="post"> <input id="myInput" name="myInput" type="text" value="" style="display:none;" /> </form> Both functions are throwing an exception when trying to access the variable myForm, saying that "myForm is null or not an object". Why is this occurring?

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• Detect double-tap on UISlider?

  - by Randy

  I can detect single/double-taps in specific views with: NSSet *myTouches = [event touchesForView:mySpecificView.view]; but I want to detect a double-tap on the button of a slider and can't find any reference to it. Is there a replacement for "touchesForView:" where I can enter the name of my slider? usage: I have three sliders with their default value being directly in the center of the slider. Once the position of the slider has changed, I want a quick way to individually reset each slider to its default position. I currently have each slider's containing view set to respond to a double-tap, updating each slider. It works fine, but doesn't seem natural. ie.I can't double-tap on the slider itself because the slider intercepts the taps and doesn't pass them on to the surrounding view. thanks in advance

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• How to access radioButton individual items?

  - by vikitor

  Hello, I've got 2 radio button groups showed differently depending on the value selected on another radio button. The thing is that I would like to set the default value of the group to the first element in the radiobutton group, but when I change from the other radio button it preserves the value previously selected, when I want it to be reset to the default value. I've been searching in the javascript repository but apparently I cannot access like it says with radio[1].checked = true... It says that radio[1] is undefined, but radio is an HTML Input element object. I'm accessing it from a different file, but var radio = document.getElementById("radio") works, but I can't access the individual radiobuttons. Thank you in advance

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• Can you use Win32 GUI in a browser plugin?

  - by John

  Of course it would mean you're plugin is not cross-platform but let's focus on the technical side... Is a browser plugin (like done in NPAPI) restricted in what it can do? Or do you get fairly free reign to access the PC and the render-window you're given? For instance can you create Win32/MFC controls in your browser this way? A side question - is your browser plugin conceptually akin to a .DLL, which is therefore just arbitrary compiled code implementing a specific interface for browser control/communication?

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• JavaFX InternalFrame or WindowNode

  - by user1493549

  I was looking for an InternalFrame for JavaFX. Apparently I it seems like there is no InternalFrame available. How does one create an MDI application with JavaFX? I have tried to simulate this behavior by using a custom Region that can be dragged around. Is that the way to go? What about typical window elements such as titlebar, possibility to resize etc. Do I have to implement that myself via custom controls? Thanks, miho

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• CDateTimeCtrl - preventing 'focus' change when setting date

  - by WalderFrey

  I'd like to use a CDateTimeCtrl to allow the user to select a non-weekend date. So, if the user increments the day (via a keypress) - and the resulting day is found to fall on a weekend - then the control should skip forward to the following Monday (don't let issues about month changes distract you, it's not relevant). Usually it's not a problem: when I handle the DTN_DATETIMECHANGE notification I can check the new date/time and if it's found to be a weekend then I can call SetTime on the control to update the date. However, if I set the style to DTS_SHOWNONE, this call to SetTime causes the control to shift the input 'focus' (term used loosely) to the 'none' checkbox, e.g. away from the day field. This prevents the user from using keyboard input to continue incrementing the date unless they subsequently use the right arrow key to reset the 'focus', which is just nasty. I would dearly like to prevent this focus shift from occurring. Is it even possible?

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