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• Databinding int32 to MaskedEditExtender enabled TextBox

  - by Zach Skinner

  I have a master/detail scheme for editing an asp:GridView using an asp:DetailsView. One of my fields is for a phone number of type int64 (always 10 digits). I would like this field to always be displayed as (###)###-####. My issue is the first digit in the phone number is always truncated for my edit item field which I used a MaskedEditExtender to achieve the formatting. Here is my EditItemTemplate for the details view: <cc1:MaskedEditExtender TargetControlID="edtPROJ_Leader_Phone" Mask="(999)999-9999" runat="server" ClearMaskOnLostFocus="false" ClipboardEnabled="true" MaskType="Number" /> <asp:TextBox ID="edtPROJ_Leader_Phone" runat="server" Text='<%# Bind("PROJ_Leader_Phone") %>' ></asp:TextBox> When my details view is displayed for editing, the text box displays(_23)456-7890 for the integer 1234567890. Also worth noting that if the property MaskType="Number" is removed, the textbox shows: (234)567-890_. I would of course have the textbox show (123)-546-67890 after binding.

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• How to style content in jQuery Facebox

  - by musoNic80

  I'm using jQuery Facebox plugin to create some modal windows. One situation is to display errors that might occur. If JS is disabled, I do this by displaying any errors in a normal div that is styled by CSS using a class selector. If the user does have JS enabled however, that div is hidden and the info is displayed in a facebox. The problem I have is that all the CSS styling is lost when the data is displayed within a facebox window. I understand that you can attach extra classes if you're calling facebox from a rel attribute in an anchor tag, but I'm using it programatically. Is there a way I can bind something to the facebox method? Here's my js code (the HTML should be self-explanatory): $(document).ready(function() { $(".errors").hide(); // hides the non-js error div $.errors = $(".errors").html(); // get the html from the error div if($.errors!==''){ $.facebox($.errors); // if there are any errors, display them in facebox } });

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• InfoPath Repeating Group with Data from SharePoint and User Input

  - by 0x808080

  I have a series of questions which are pulled from a SharePoint list and loaded into a repeating section. The section has three elements, the Question # (from SharePoint), and Question itself (from SharePoint), and a drop down box Yes/No (NOT from SharePoint)... The repeating group portion works just fine, it is pulling all Question # and Questions from the SharePoint site, but I cannot bind the drop down box (yes/no) to any sort of local data source in order to record the information. Essentially what I have is a dynamically generated form which pulls questions off a SharePoint and a user will answer Yes or No for each question. I cannot associate the Yes/No drop down with anything because it resides within a Repeating section... Thanks for any help!

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• How te execute with /bin/false shell

  - by Amar

  Hello I am trying to setup per-user fastcgi scripts that will run each on different port and with different user. Here is example of my script: #!/bin/bash BIND=127.0.0.1:9001 USER=user PHP_FCGI_CHILDREN=2 PHP_FCGI_MAX_REQUESTS=10000 etc... However, if I add user with /bin/false (which I want, since this is about to be something like shared hosting and I dont want users to have shell access), the script is run'd under 1001, 1002 'user' which, as I googled, might be security hole. My question is: Is it possible to allow user(s) execute shell scripts but disable them to log in via SSH ? Thank you

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• non-class rvalues always have cv-unqualified types

  - by FredOverflow

  §3.10 section 9 says "non-class rvalues always have cv-unqualified types". That made me wonder... int foo() { return 5; } const int bar() { return 5; } void pass_int(int&& i) { std::cout << "rvalue\n"; } void pass_int(const int&& i) { std::cout << "const rvalue\n"; } int main() { pass_int(foo()); // prints "rvalue" pass_int(bar()); // prints "const rvalue" } According to the standard, there is no such thing as a const rvalue for non-class types, yet bar() prefers to bind to const int&&. Is this a compiler bug? EDIT: Apparently, this is also a const rvalue :)

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• Retrieving FBO data in GLSL

  - by Tom Savage

  I'm trying to get MRT working in OpenGL to try out deferred rendering. Here's the situation as I understand it. Create 3 render buffers (for example). Two RGBA8 and one Depth32. Create an FBO. Attach render buffers to FBO. ColorAttachment0/1 for color buffers, DepthAttachment for depth buffer. Bind the FBO. Draw geometry. Send data to different attachments using gl_FragData[] in the frag shader. At this point I would want to take the data in another pass using GLSL, how can a) retrieve data from the framebuffer color attachments, b) get data from the depth component.

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• Concurrency Problem in Java ...

  - by Tara Singh

  I am designing a client-server chat application in Java. This is a secure application where the messages are exchanged using cryptographic algorithms. I have one server and it can support many clients. My problem is that when one client logs on the server it works fine, but when another user logs into the system, the server starts giving me bad padding exceptions for the encrypted text. I am not able to figure out the problem, according to my logic, when new connection request to server is made, the server creates a thread for listening to the client. Is it possible that once the instance of thread class is created, it does all the processing correctly for the first client, but not for the second client because the variables in server listener thread class already have some previous value, and thus the encrypted text is not decrypted properly? Please advise how I can make this process more robust so that the number of clients does not affect how well the server functions.

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• How can I disable Ctrl+A (select all) using jquery in a browser?

  - by Keltex

  I'm trying to prevent information to be copied from a page (for non-technical users of course). I know how to disable selecting text using the mouse. The following jquery code works: $(function(){ $.extend($.fn.disableTextSelect = function() { return this.each(function(){ if($.browser.mozilla){//Firefox $(this).css('MozUserSelect','none'); }else if($.browser.msie){//IE $(this).bind('selectstart',function(){return false;}); }else{//Opera, etc. $(this).mousedown(function(){return false;}); }); }); $('.noSelect').disableTextSelect(); }); But users can still use Ctrl+A to select the entire page. Any workarounds for this?

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• Problems with installing jcc and pylucene

  - by Christian

  I'm trying to install pylucene on Windows XP. I installed JDK on C:\Programme\Java\jdk1.6.0_18 . I also installed Visual Studio C++ Express to have a C++ compiler. As first step I'm trying to integrate jcc into python2.6 through the command: C:\Python26\python.exe setup.py build This gives me the following result: C:\Installfiles\pylucene-3.0.1-1\jcc>C:\Python26\python.exe setup.py build Traceback (most recent call last): File "setup.py", line 332, in <module> main('--debug' in sys.argv) File "setup.py", line 289, in main raise type(e), "%s: %s" %(e, args) WindowsError: [Error 2] Das System kann die angegebene Datei nicht finden: ['jav ac.exe', '-d', 'jcc/classes', 'java/org/apache/jcc/PythonVM.java', 'java/org/apa che/jcc/PythonException.java'] Other information: In systems I set: Uservariables: CLASSPATH C:\Programme\Java\jdk1.6.0_18\bin\javac.exe System Variables Path %SystemRoot%\system32;%SystemRoot%;%SystemRoot%\System32\Wbem; C:\Programme\Java\jdk1.6.0_18\bin Where does the error come from and what do I have to do to overcome it?

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• How to correctly add the .scrollTo plugin?

  - by konzepz

  I have this script, running on a links list: $('li#linkcat-25 a').bind('click', function (e) { e.preventDefault(); $('#preview').load($(this).attr('href')); $('#loading').show('fast'); $('#preview').hide('fast'); $('#preview').show('fast'); $('#loading').hide('fast'); }); How can I easly add a .scrollTo effect, so that clicking on one of those href elements will show/hide as proposed, and when finished, will smoothly scroll down to the #preview div? Thank you!

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• Can we use spring FTL based form validations with any controller other than SimpleFormController

  - by Adhir Aima

  Hi, Because of some design specification we have to extend all controllers in spring MVC from a class that extends AbstractCommandController. I am trying to include the spring FTL based form validations in my FTL file, but it gives me an error like Method public org.springframework.web.servlet.support.BindStatus org.springframework.web.servlet.support.RequestContext.getBindStatus(java.lang.String) throws java.lang.IllegalStateException threw an exception when invoked on org.springframework.web.servlet.support.RequestContext@b05cd7 with arguments of types [java.lang.String,] The problematic instruction: == assignment: status=springMacroRequestContext.getBindStatus(path) [on line 120, column 9 in spring.ftl] in user-directive spring.bind [on line 47, column 33 in myProfile.ftl] Java backtrace for programmers: freemarker.template.TemplateModelException: Method public org.springframework.web.servlet.support.BindStatus org.springframework.web.servlet.support.RequestContext.getBindStatus(java.lang.String) throws java.lang.IllegalStateException threw an exception when invoked on org.springframework.web.servlet.support.RequestContext@b05cd7 with arguments of types [java.lang.String,] I have put the command name properly in the controller class and in the controller class, neither the specified name nor the default "command" works. Some help please. And would be much appreciated if it comes with an example. Thanks in advance, Adhir Aima

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• smart reversing of compressed javascript with obscured variable & function names ?

  - by Jerome WAGNER

  Hello, I want to know if there exists a tool to help in reversing a compressed javascript that has obscure variable names. I am not looking for a pretty-printing beautifier, but for a tool that actually know a to change & propagate variable name choices. Let me be more specific : - some of the functions belong to the 'public' API and i want to impose readable argument names in their prototypes - there are intermediary variables for document, window and other browser idioms I would like to give this knowledge to the tool and then let it create another javascript where the knowledge would have been correctly propagated. thanks Jerome Wagner

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• Master Details and collectionViewSource in separate views cannot make it work.

  - by devnet247

  Hi all, I really cannot seem to make/understand how it works with separate views It all works fine if a bundle all together in a single window. I have a list of Countries-Cities-etc... When you select a country it should load it's cities. Works So I bind 3 listboxes successfully using collection sources and no codebehind more or less (just code to set the datacontext and selectionChanged). you can download the project here http://cid-9db5ae91a2948485.skydrive.live.com/self.aspx/PublicFolder/2MasterDetails.zip <Window.Resources> <CollectionViewSource Source="{Binding}" x:Key="cvsCountryList"/> <CollectionViewSource Source="{Binding Source={StaticResource cvsCountryList},Path=Cities}" x:Key="cvsCityList"/> <CollectionViewSource Source="{Binding Source={StaticResource cvsCityList},Path=Hotels}" x:Key="cvsHotelList"/> </Window.Resources> <Grid> <Grid.ColumnDefinitions> <ColumnDefinition/> <ColumnDefinition/> <ColumnDefinition/> </Grid.ColumnDefinitions> <Grid.RowDefinitions> <RowDefinition Height="Auto"/> <RowDefinition/> </Grid.RowDefinitions> <TextBlock Grid.Column="0" Grid.Row="0" Text="Countries"/> <TextBlock Grid.Column="1" Grid.Row="0" Text="Cities"/> <TextBlock Grid.Column="2" Grid.Row="0" Text="Hotels"/> <ListBox Grid.Column="0" Grid.Row="1" Name="lstCountries" IsSynchronizedWithCurrentItem="True" ItemsSource="{Binding Source={StaticResource cvsCountryList}}" DisplayMemberPath="Name" SelectionChanged="OnSelectionChanged"/> <ListBox Grid.Column="1" Grid.Row="1" Name="lstCities" IsSynchronizedWithCurrentItem="True" ItemsSource="{Binding Source={StaticResource cvsCityList}}" DisplayMemberPath="Name" SelectionChanged="OnSelectionChanged"/> <ListBox Grid.Column="2" Grid.Row="1" Name="lstHotels" ItemsSource="{Binding Source={StaticResource cvsHotelList}}" DisplayMemberPath="Name" SelectionChanged="OnSelectionChanged"/> </Grid> Does not work I am trying to implement the same using a view for each eg(LeftSideMasterControl -RightSideDetailsControls) However I cannot seem to make them bind. Can you help? I would be very grateful so that I can understand how you communicate between userControls You can download the project here. http://cid-9db5ae91a2948485.skydrive.live.com/self.aspx/PublicFolder/2MasterDetails.zip I have as follows LeftSideMasterControl.xaml <Grid> <ListBox Name="lstCountries" SelectionChanged="OnSelectionChanged" DisplayMemberPath="Name" ItemsSource="{Binding Countries}"/> </Grid> RightViewDetailsControl.xaml MainView.xaml <CollectionViewSource Source="{Binding}" x:Key="cvsCountryList"/> <CollectionViewSource Source="{Binding Source={StaticResource cvsCountryList},Path=Cities}" x:Key="cvsCityList"/> </UserControl.Resources> <Grid> <Grid.ColumnDefinitions> <ColumnDefinition/> <ColumnDefinition Width="3*"/> </Grid.ColumnDefinitions> <Views:LeftViewMasterControl x:Name="leftSide" Margin="5" Content="{Binding Source=}"/> <GridSplitter Grid.Column="0" Grid.Row="0" Background="LightGray"/> <Views:RightViewDetailsControl Grid.Column="1" x:Name="RightSide" Margin="5"/> </Grid> ViewModels public class CountryListVM : ViewModelBase { public CountryListVM() { Countries = new ObservableCollection<CountryVM>(); } public ObservableCollection<CountryVM> Countries { get; set; } private RelayCommand _loadCountriesCommand; public ICommand LoadCountriesCommand { get { return _loadCountriesCommand ?? (_loadCountriesCommand = new RelayCommand(x => LoadCountries(), x => CanLoadCountries)); } } private static bool CanLoadCountries { get { return true; } } private void LoadCountries() { var countryList = Repository.GetCountries(); foreach (var country in countryList) { Countries.Add(new CountryVM { Name = country.Name }); } } } public class CountryVM : ViewModelBase { private string _name; public string Name { get { return _name; } set { _name = value; OnPropertyChanged("Name"); } } } public class CityListVM : ViewModelBase { private CountryVM _selectedCountry; public CityListVM(CountryVM country) { SelectedCountry = country; Cities = new ObservableCollection<CityVM>(); } public ObservableCollection<CityVM> Cities { get; set; } public CountryVM SelectedCountry { get { return _selectedCountry; } set { _selectedCountry = value; OnPropertyChanged("SelectedCountry"); } } private RelayCommand _loadCitiesCommand; public ICommand LoadCitiesCommand { get { return _loadCitiesCommand ?? (_loadCitiesCommand = new RelayCommand(x => LoadCities(), x => CanLoadCities)); } } private static bool CanLoadCities { get { return true; } } private void LoadCities() { var cities = Repository.GetCities(SelectedCountry.Name); foreach (var city in cities) { Cities.Add(new CityVM() { Name = city.Name }); } } } public class CityVM : ViewModelBase { private string _name; public string Name { get { return _name; } set { _name = value; OnPropertyChanged("Name"); } } } Models ========= public class Country { public Country() { Cities = new ObservableCollection<City>(); } public string Name { get; set; } public ObservableCollection<City> Cities { get; set; } } public class City { public City() { Hotels = new ObservableCollection<Hotel>(); } public string Name { get; set; } public ObservableCollection<Hotel> Hotels { get; set; } } public class Hotel { public string Name { get; set; } }

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• Best strategy for HTML partial rendering based on multiple dropdown values

  - by pv2008

  I have a View that renders something like this: "Item 1" and "Item 2" are <tr> elements from a table. After the user change "Value 1" or "Value 2" I would like to call a Controller and put the result (some HTML snippet) in the div marked as "Result of...". I have some vague notions of JQuery. I know how to bind to the onchange event of the Select element, and call the $.ajax() function, for example. But I wonder if this can be achieved in a more efficient way in ASP.NET MVC2.

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• call by value-result in Pascal

  - by Luciano Lorenti

  How can i simulate calling by value-result in this example. Without adding variables and without change a variable name.? Program one; var x:integer; Function two():integer; begin x:=x+1; dos:=x; end; Procedure three(x:integer); begin x:=x+5; x:=two(); end; begin x:=8; trhee(x); write(x); end.

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• How do I obtain a new stateful session bean in a servlet thread?

  - by FarmBoy

  I'm experimenting with EJB3 I would like to inject a stateful session bean into a servlet, so that each user that hits the servlet would obtain a new bean. Obviously, I can't let the bean be an instance variable for the servlet, as that will be shared. And apparantly injecting local variables isn't allowed. I can use the new operator to create a bean, but that doesn't seem the right approach. Is there a right way to do this? It seems like what I'm trying to do is fairly straightforward, after all, we would want each new customer to find an empty shopping cart.

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• zend_form ViewScript decorator / passing arguments

  - by timpone

  I have a form that is extend from Zend_Form. I am placing the form into a ViewScript decorator like this: $this->setDecorators(array(array('ViewScript', array('viewScript' => 'game/forms/game-management.phtml')))); I'd like to pass in a variable to this ViewScript but am not sure how this could be done. Since the partial renders out as a Zend_View (allowing $this-app_store_icon for rendering), it seems like there should be a way to pass variables to be rendered. I tried the following but to no avail. $this->setDecorators(array(array('ViewScript', array('viewScript' => 'game/forms/game-management.phtml'),array('app_store_picon'=>$current_app_store_picon)))); Any help on how to get this done would be appreciated. thanks

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• Can I expose only a portion of one .NET DLL's public classes via a different "API" DLL?

  - by Ben McIntosh

  I am designing a WPF application that uses a DLL with maybe 40 public classes. I need these to be public for a variety of reasons including ease of data binding and obfuscation. I would like to allow other people to use only a portion of these classes as an API for my software. I thought I would create the main library (core.dll) and an API library (coreAPI.dll) with the API DLL to be referenced in a new project. Is there a way to allow coreAPI.dll to expose only a few of the classes that exist in core.dll? It's not so much a security issue as I primarily want to simply hide some of the unwanted classes from the Visual Studio Intellisense. Again, internal classes for the ones I want to hide is not really an option because I need to data bind some of these classes in WPF and for that, they must be public. Are there any other ways of doing this?

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• Newbie questions about COM

  - by smwikipedia

  Hi, I am quite new to COM so the question may seem naive. Q1. About Windows DLL Based on my understanding, a Windows DLL can export functions, types(classes) and global variables. Is this understanding all right? Q2. About COM My naive understanding is that: a COM DLL seems to be just a new logical way to organize the functions and types exported by a standard Windows DLL. A COM DLL exports both functions such as DllRegisterServer() and DllGetClassObject(), and also the Classes which implements the IUnknown interface. Is this understanding all right? Q3. *.def & *.idl *.def is used to define the functions exported by a Windows DLL in the traditional way, such as DllGetClassObject(). *.idl is used to define the interface implemented by a COM coclass. Thanks in advance.

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• Problem comparing keys in Appengine/Python

  - by ana

  I'm trying to create a relationship between "tables" with Appengine/Python. Imagine I have a "table" for items, and a table for colors. I save the color of an item by saving the color key as an atribute of the item. That's working well, but this particular piece of code is not working: <select id="colorKey" name="colorKey"> {% for color in colors %} <option value="{{ color.key }}"{% if color.key = item.colorKey %} selected="selected"{% endif %}> {{ color.name }} - {{ item.colorKey }} - {{ color.key }} </option> {% endfor %} </select> Since the {{ item.colorKey }} and {{ color.key }} variables are actually the same chain of characters, I only can think in a problem with the types. {{ item.colorKey }} is a string for sure. But maybe {{ color.key }} is not?

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• To subclass or not to subclass

  - by poulenc

  I have three objects; Action, Issue and Risk. These all contain a nunber of common variables/attributes (for example: Description, title, Due date, Raised by etc.) and some specific fields (risk has probability). The question is: Should I create 3 separate classes Action, Risk and Issue each containing the repeat fields. Create a parent class "Abstract_Item" containing these fields and operations on them and then have Action, Risk and Issue subclass Abstract_Item. This would adhere to DRY principal.

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• R Question: calculating deltas in a timeseries

  - by Jörg Beyer

  I have a timeseries of samples in R: > str(d) 'data.frame': 5 obs. of 3 variables: $ date: POSIXct, format: "2010-03-04 20:47:00" "2010-03-04 21:47:00" ... $ x : num 0 10 11 15.2 20 $ y : num 0 5 7.5 8.4 12.5 > d date x y 1 2010-03-04 20:47:00 0.0 0.0 2 2010-03-04 21:47:00 10.0 5.0 3 2010-03-04 22:47:00 11.0 7.5 4 2010-03-04 23:47:00 15.2 8.4 5 2010-03-05 00:47:00 20.0 12.5 In this example samples for x and y are taken every hour (but the time delta is not fix). The x and y values are always growing (like a milage counter in a car). I need the deltas, how much was the growth in between, something like this: 1 2010-03-04 20:47:00 0.0 0.0 2 2010-03-04 21:47:00 10.0 5.0 3 2010-03-04 22:47:00 1.0 2.5 4 2010-03-04 23:47:00 4.2 0.9 5 2010-03-05 00:47:00 4.8 4.1 And I also need the detlas per time (x and y delta, divided by the time - delta per hour) How would I do this in R?

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• Lock Free Queue -- Single Producer, Multiple Consumers

  - by Shirish

  Hello, I am looking for a method to implement lock-free queue data structure that supports single producer, and multiple consumers. I have looked at the classic method by Maged Michael and Michael Scott (1996) but their version uses linked lists. I would like an implementation that makes use of bounded circular buffer. Something that uses atomic variables? On a side note, I am not sure why these classic methods are designed for linked lists that require a lot of dynamic memory management. In a multi-threaded program, all memory management routines are serialized. Aren't we defeating the benefits of lock-free methods by using them in conjunction with dynamic data structures? I am trying to code this in C/C++ using pthread library on a Intel 64-bit architecture. Thank you, Shirish

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• Selecting data from SQL Server table according to Month

  - by MarceloRamires

  I have to come up with a way to get data from a SQL server table given it's month There's a smalldatetime type field called "date" in the "events" table and a field from it looks like this: 29/01/2003 17:00:00 It should be one among those that appear in the gridview when I select jan/03 in a given DropDownList control in ASP.NET. What would be the best way to do this? Assuming I only want to go as long as 10 years to the past, wouldn't making a dictionary be a good way? How do I change it so the top month is always the current, and each month another options appeaars in the dropdown ? It should be a common issue, so that shall not be a trick, but I want a good and clean way of doing this, and (since I'm new to asp.net) I myself would come up with something messy after a long time trying. So what I want is: -Select -Best way of populating DropDownList (with the current month always at the top) -Best way to bind the DropDownList user-friendly way of writing months to the select query-friendly way of writing datetimes Info: ASP.NET, (C# or VB.NET), SQL Server 2005

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• NSIS Check Textbox empty not working

  - by Hernán

  I'm trying to display a page in NSIS to obtain two different values. I want both to be not empty. The page actually displays altough I can't get my page leave function to check properly for empty fields. Function CCInstallOpts ReserveFile "cc_installopt.ini" !insertmacro MUI_INSTALLOPTIONS_EXTRACT "cc_installopt.ini" !insertmacro MUI_INSTALLOPTIONS_DISPLAY "cc_installopt.ini" FunctionEnd My page leave function where I validate fields (4 and 5 ) is : Function CCInstallOptsLeave Push $R0 Push $R1 !insertmacro MUI_INSTALLOPTIONS_READ $R0 "cc_installopt.ini" "Field4" "State" !insertmacro MUI_INSTALLOPTIONS_READ $R1 "cc_installopt.ini" "Field5" "State" StrCmp $R0 "" mustcomplete StrCmp $R1 "" mustcomplete StrCpy $CC_CyberID $R0 StrCpy $CC_VCode $R1 goto exitfunc mustcomplete: MessageBox MB_OK|MB_ICONEXCLAMATION "Empty not allowed" Abort exitfunc: Pop $R1 Pop $R0 FunctionEnd Note that I want to store the entered values into $CC_VCode and $CC_CyberID variables to be later used on different files (I've defined both as:) Var /GLOBAL CC_VCode Var /GLOBAL CC_CyberID Thanks in advance.

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