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• Why I should use an N-Tier Approach When using an SqlDatasource is ALOT EASIER ?

  - by The_AlienCoder

  When it comes to web development I have always tried to work SMART not HARD. So for along time My Aproach to interacting with databases in my AspNet projects has been this : 1) Create my stored procedures 2) Drag an SQLDatasource control on my aspx page 3) Bind a DataList Control to my SQLDatasource 4) Insert, Update & Delete by using my Datalist or programmatically using built in SQLDatasource methods e.g MySqlDataSource.InsertParameters["author"].DefaultValue = TextBox1.Text; MySqlDataSource.Insert(); Recently however I got a relatively easy web project. So I decided to employ a 3-tier Model...But I got exhausted halfway and just didnt seem worth it ! It seemed like I was working too HARD for a project that could have been easily accomplished by a couple of SqlDataSource Controls. So Why Is the N-Tier Model better than my Approach? Has it anything to do with performance? What are the advantages of the ObjectDataSource control over the SqlDataSource Control?

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• How to prevent inputting Russian characters in Word with a Word addin?

  - by Edwin

  Hi, Sorry for this vaguely described problem, but please look at the problem from the Win32 API's perspective. I'm writing a Word addin using Addin Express with Delphi, and I use some other 3rd party VCL's also, including virtual stringtree, TNT controls, etc. Now I cannot input Russian characters in Word anymore, but I can input English and Chinese.... Since it's a large project I don't know where to start finding the problem, would you give me some generic tips, I'll be appreciated that! Thank you, and have a nice day!

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• c# how can i make sure that my application will look the same on other systems?

  - by lena2211

  hi .. how do i make sure that the application iam developing will look the same on other windows-systems? iam developing now on a windows7, with .net 3.5 framework .. (VS 2008) as an example, i have a toolbar, that i changed its rendermode to system, it looks ok on my windows7, but when i run the application on windows xp, it is different, even the onmouseover backcolor is different. .. is there a way to make the application looks like on every windows system (talking abt xp, vista and windows 7 only), lets say like exporting the settings of all the controls with the application !? or any trick to make sure it will be always the same ? thankss in advance

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• TFS as source-control: what do you love? what do you hate?

  - by jcollum

  I've used TFS for about 18 months now and I'm really not excited about it. It seems like the worst of the current versions of SCMs on the market. I think this thread will help people decide if TFS is for them vs. other source control systems. While TFS does a lot more than that, I think that source control is so critical to software development that any system (or combination thereof) that you pick needs to consider source control first. What are the good things about TFS vs. other source controls -- what does it do well that no one else does? What are the things that TFS is bad at that everyone else seems to do just fine?

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• What table is affected by delete when form based on query?

  - by webworm

  In MS Access 2003 I have a form whose record source is equal to a query that involves an INNER JOIN. The join is between a location table and a container table. Containers are objects that are stored in specific locations each location and container are specified by ID values. SELECT DISTINCTROW Container.Container_ID, Location.Location_ID FROM Location INNER JOIN Container ON Location.[Location_ID] = Container.[Location_ID] What I am trying to figure out is this …. When I delete a record (using the form navigation controls) in the form based on the above query which tables are affected? Are records in the Container and Location tables deleted or is it just in the location table? Thanks!

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• Creating a popup tool bar in a full screen NSOpenGLView (OSX Cocoa)

  - by Mike2012

  I have a Cocoa app in which one of my NSOpenGLViews can go into full screen mode (I do this with the method enterFullScreenMode:withOptions:). I would like to create a little widget that when you mouse over it, a toolbar pops up with some different controls. I am wondering what would be the best way to implement this widget? At first I thought about using a panel but I don't think you can bring up any windows when in full screen mode. Also, it seems that you can't add a subview to an NSOpenGLView? Are these two assumptions correct? What else could I use to accomplish this?

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• Dynamic control

  - by Geetha

  Hi all, I am creating dynamic label and textbox based on the number of values from the database for the selected item of the dropdownlist. Then the dynamic labels will have the names and the text box with the values. To retain the values of these controls im using Page_init event. So im using cache to hold the selectteditem from the dropdownlist. Problem: The process is going fine. But if i try to refresh the page no items are selected in the dropdown list but the cache is not getting clear so using this cache value dynamic control are creating. Geetha

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• HTML/Javascript disabled and then reenabled checkbox is being POSTED

  - by NeverStopLearning

  I have a page with a checkbox that is disabled/reenabled with javascript on button click. If I never disable the checkbox then its value is correctly POSTed, however if I disable the checkbox even once it gets posted without value (posts as "name=" even when checked). I have inspected the POST value through firebug. Why does it behaves like this? Am I missing something? I ve read somewhere that disabled controls are not posted, thats OK, but this control is not disabled when the submit is clicked. I am using ASP.NET with more complex setup to test this, but essentially this is the core of the problem. The brower is FF latest. I found very similar question, however without an answer: disabled control being reenabled but still not posting back contents to server

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• C#. Binding object to object

  - by w1z

  Hello all, I develop the part of app functionality. I have the databinding object 'A' and another object 'B'. public class SomeProxy { public SomeProxy(BindingSource A) { var b = new B(); } } public class B { public int SomePropertyFromA{get;set;} //Some autocalculated propeties, that are based on SomePropertyFromA //I want to reculculate them, when the SomePropertyFromA will be changed } 'B' object culculates some values, based on the property 'a' of the 'A' object. I want to bind property in object 'B' to the same property 'a' in 'A'. It's need to handle on changes of the 'a' property, because some UI controls are binded to 'B'-s properties. How can I do this? Sorry for some oddness. Thanks

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• User error reporting in ASP.NET.

  - by eugeneK

  I want to build user friendly error reporting. Wrong input, db connection errors and such. Problem is i need the same module be implemented for 3 different systems and to use jQuery UI modal boxes for UI. when i redirect to another page ie. db connection error i redirect to error page when i use return to same page ie. input value 1 bigger than value 2 when it should be other way around ASP.NET Ajax UpdatePanel errors, wrong input for controls within UpdatePanel that doesn't do regular postpacks. thanks for any help with implementation...

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• Actionscript / Flex: a question about handleAllEvents() method.

  - by Patrick

  Hi, in Adobe tutorials, they suggest to create a class to handle the events (see below the copy/pasted code, and link to page). I was wondering if I have to handle all events with the function handleAllEvents, using if statements to check if the target is the one I want, and the event is the one I want. i.e. if (event.type=="click") && (event.currentTarget == "myId") Should I have a list of ifs (for each target and each event type ?) thanks // events/MyStaticEventHandler.as package { // Empty package. import flash.events.Event; import mx.controls.Alert; public class MyStaticEventHandler { public function MyStaticEventHandler() { // Empty constructor. } public static function handleAllEvents(event:Event):void { Alert.show("Some event happened."); } } } Link (at the bottom): http://livedocs.adobe.com/flex/3/html/help.html?content=events_05.html

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• Delphi - change text color based on current record value

  - by Welliam

  using db controls connected to a FireBird database. and I have a simple dblabel I want to change text color based on current value for current record The user navigate using the dbnavigator and I wrote code in the navigator button click. but there is a problem the code always read the previous record value not the current one so the color is wrong !! for example: procedure <navigator button click>; begin if table1.FieldByName('field1').AsString = 'val1' then <dblabel.textcolor> := red else <dblabel.textcolor> := green; end; but as I said the value is one record behind. why is that and what is the best approach to change label text color ? Thanks

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• C# Events between threads executed in their own thread (How to) ?

  - by Guillaume

  Hello, I'd like to have two Threads. Let's call them : Thread A Thread B Thread A fires an event and thread B listen to this event. When the Thread B Event Listener is executed, it's executed with the Thread A's thread ID, so i guess it is executed within the Thread A. What I'd like to do is be able to fire event to Thread B saying something like: "hey, a data is ready for you, you can deal with it now". This event must be executed in its own Thread because it uses things that only him can access (like UI controls). How can I do that ? Thank you for you help.

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• UI Design - design pattern for city/country drop down? (ASP.NET MVC)

  - by JK

  What is the best way to do a city/country dropdown pair in ASP.NET MVC? I see lots of places with country above city, but that's unnatural: in real life we write city/country. I've used city, then country, but the problem is that the user then has to go backwards after changing the country. The other problem is what do you do about cities/countries not in your list? If city/country are both drop downs, then the user cant type their own city if it is missing. But if you have a dropdown and a textbox, that makes it unwieldy (you end up with 4 controls to enter 2 pieces of data). Are there any examples websites where the city/country dropdown pair are done in a very useable and clear manner?

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• Multiple System.Web.Extensions assembly in same project?

  - by CL4NCY

  Hi, I'm having trouble moving a website from one server to another. It seems to be a problem loading multiple versions of System.Web.Extensions. The code uses version 3.5 in most places but a third party control appears to be needing version 1.0.6. I didn't think this was possible but it appears to be working in it's current situation. Is there a way I can use the GAC version of System.Web.Extensions for the site but import a dll of version 1.0.6 just for these controls?

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• postback __EVENTTARGET ID in Page.Request.Form has $ not _ in ASP.NET

  - by Industry86

  I am using the ToolkitScriptManager from the Ajax tool kit and I am having a problem finding my button's ID. My ID's on my controls come back with $ symbols instead of _ symbols, like the following: Grid$ctl06$insertButton This obviously causes problems when attempting to find the control from the Page.Request.Form keys. I cannot seem to find the determining factor that would cause this. Now, I know this is the name and in my source I see that the ID is with the _, so why is the Page.Request.Form showing up with the $ symbol instead? Anybody encounter this before?

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• Controlling Too Many listboxes ( C#)

  - by Ases

  I have almost 200 listboxes. I'm changing their visibility according to my variables from database. So I thought that, I prepared a arraylist. like this ListBox[] lbs = this.Controls.OfType<ListBox>().ToArray(); And used like this. for (int idx = 0; idx < Convert.ToInt32(ds.Tables[j].Rows[i][2])*12; idx++) lbs[idx].Visible = true; This codes are written to comboboxchange. Now everything is okay. But; example; first time I changed combobox 1-20 listboxes visible=true I changed combobox again not 1-20. 20,40 changing :S How can it be, can u tell me an alternative array list type, or another way?

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• ASP.NET jQuery Ajax posting forms

  - by Sir Psycho

  Hi, I can't seem to get the jQuery.ajax() function posting back any of my asp.net generated form controls. I've put a break point on the server side and there aren't any values. Is there a way around this or do I have to build up a list of what I want sent back? Another question slightly off topic, but it seems that although jQuery is a great JS library, it doesn't seem to integrate too well with .net. Has anyone given up with jQuery to perform server side interaction and just gone with ms ajax implementation?

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• Why is this consider bad practice? or is it? (ASP.Net)

  - by user318573

  Would this code be considered bad practice: <div id="sidebar"> <% =DisplayMeetings(12) %> </div> This is a snippet of code from the default.aspx of a small web app I have worked on. It works perfectly well, runs very fast, but as always, I am aware of the fact that just because it works, doesn't mean it is OK. Basically, the DisplayMeetings subroutine outputs a bunch of formatted HTML (an unordered list actually), with no formatting, just the requisite html, and then my CSS performs all the necessary formatting. The data for generating the list comes from an SQL server database (the parameter controls how many rows to return) and I am using stored procedures and datareader for fast access. This keeps my front-end extraordinary simple and clean, imho, and lets me do all the work in VB or C# in a separate module. I could of course use a databound repeater (and probably 6 or more other methods) of accomplishing the same thing, but are they any better? Other than loosing the design-time features of VS2010?

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• Skipping authorization for certain methods

  - by mathee

  Per the Agile Development book, I have an Admin MVC that controls how users log in. In ApplicationController, I have a before_filter that checks for authorization. So, this will check that the user has logged in for every page. The problem is that I want everyone to be able to access the new method, for example, in Users (that is, anyone should be able to create a new user -- naturally! Only admin users should have access to the other methods in UsersController such as edit, etc.). What's the best way to do that?

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• How can I create a profiler GUI in WPF?

  - by thehan

  I am looking to create a task profiler in WPF with an UI similar to the one of incredibuild. Eg, timed tasks appear as strips on their respective line. Have a look at: http://baoz.net/wp-content/2009/06/ib1.png to see what I mean. I am unsure what the best way to tackle this problem is? Should I override the Panel class creating a custom layout panel for this or might there be an existing control/library out there that can fit my needs. I have so far had a look at various charting controls but am unsure of weither they can be tweaked to achieve this behaviour or not. I am really hoping for someone who has been using WPF for a while to help me narrow down my search. It is not exactly easy to know what to google for either :)

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• asp.net could a half submitted web page be processed?

  - by c00ke

  Having a weird bug in production and just wondering if it's possible for a half submitted web page to processed by the server? The page has no view state just using plain old html controls and accessing data displayed in repeater on the back end via Request.Form[name] etc. Is it possible for a request to be truncated perhaps due to lost internet connection and the page still processed by the server. Therefore if field not part of the request Request.Form[name] could result in null? I know can use fiddler to modify request but unfortunately we are not allowed to change group policy and change the proxy! Many Thanks

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• ASP.Net databinding in tag

  - by Psytronic

  I know you can bind in the code-behind, but I don't quite understand how it works if you want to declare it within the controls tag. This is for a custom collection. I thought it was just Datasource="<%# MyCollection %" Where MyCollection is an exposed property of the class in the code behind? MyCollection{ get{ return _MyCollection;}} Something like that. But it doesn't seem to work that way, so can I not bind this way, or am I missing something?

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• 1120: Why can't it access the variable?

  - by Oden

  I'm new at as3, maybe thats the reason why i don't understand, why the setInterval causes an error. <mx:Script> <![CDATA[ import flash.utils.setInterval; import mx.controls.Alert; [Bindable] public var MyInt:int = 500; setInterval(function():void{ ++MyInt; },1000); ]]> </mx:Script> I have a label where the value of MyInt gets visible, the bind works perfect, i've tested it several ways, and i i create a button it grows the number, but if i use the setInterval function i get an error: Access of undefined property myInt. Why? What does cause this? Please explain it, so I can avoid errors like this. Thanks

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• Alligator tags(<% %>) inside js string?

  - by bangoker

  I am trying to redirect a page reading the url from the config file. However, when I try this: <script type="text/javascript"> <%string redirectUrl = System.Web.Configuration.WebConfigurationManager.AppSettings["RedirectURL"];%> window.parent.location.replace("<%=redirectUrl%>"); </script> the alligator tags <% % are Not being highlighted, and when I run I get the following error in the yellow screen: the controls collection cannot be modified because the control contains code blocks (i.e. <% ... %>). What am I doing wrong?? Thanks!

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