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Author filtered by: Sergey Alexandrovich Kryukov [x]
Error While Uploading the image. by Sergey Alexandrovich Kryukov
Answer 13 May 2013   license: CPOL
Don't write the type Image. Write the full name; either System.Web.UI.WebControls.Image or System.Drawing.Image, depending on which one you really...
C#ASP.NET
how to view all directories of drive ina listview by Sergey Alexandrovich Kryukov
Answer 13 May 2013   license: CPOL
You should rather use System.IO.Directory.GetDirectories:http://msdn.microsoft.com/en-us/library/c1sez4sc.aspx[^],http://msdn.microsoft.com/en-us/library/6ff71z1w.aspx[^],http://msdn.microsoft.com/en-us/library/ms143314.aspx[^].Also, you should better be aware of one unpleasant...
C#.NETWinForm
Answer 13 May 2013   license: CPOL
You could not answer my simple question so far, even after I asked you 3 times. OK, the site URI was enough for me. Here is the API you tried to keep silence about for such a long time: http://developer.worldweatheronline.com/[^].Sign up, obtain the documentation, and read on what it can do...
.NET
how to get label value using jquery by Sergey Alexandrovich Kryukov
Answer 13 May 2013   license: CPOL
You don't need to use sibling if you already have the id value. Your selector will be just $("#lblSrNo"). You messed up all together.—SA
ASP.NETjQuery
how to call vb methods from c# by Sergey Alexandrovich Kryukov
Answer 13 May 2013   license: CPOL
The question makes no sense. You probably don't clearly see the difference between an application and a library.However, quite formally, any assembly can be used as a library: you can reference any valid assembly by another assembly, no matter if it compiled as application or a class...
C#
How can I display color values by each pixel? by Sergey Alexandrovich Kryukov
Answer 13 May 2013   license: CPOL
This is the rare case when you can really use System.Drawing.Bitmap.GetPixel:http://msdn.microsoft.com/en-us/library/system.drawing.bitmap.getpixel.aspx[^].Note that for any more or less massive read or write pixel operations GetPixel/SetPixel cannot be used, as they are prohibitively...
C#2.0C#
Answer 13 May 2013   license: CPOL
It your XML file contains some Unicode characters beyond ASCII, the console won't show then, replacing them by '?', as usually. You need to make console showing Unicode:Do this:System.Console.OutputEncoding = System.Text.Encoding.Unicode;This is confusing. System.Text.Encoding.Unicode...
C#
Learn c # how can slowly learn the API by Sergey Alexandrovich Kryukov
Answer 13 May 2013   license: CPOL
Nobody can put one's own brain in your head. If you don't understand something in the API, which is quite well documented and simple enough, it means you need to take a step back and learn the basics: working mechanisms of variables, fields, methods, properties, method parameters and so on, how...
C#C#4.0
How To Create PrintEventArgs? by Sergey Alexandrovich Kryukov
Answer 13 May 2013   license: CPOL
Wrong question. If you print, you never create this object; the library System.Drawing.Printing always does that when invoking the event. You cannot invoke it in principle. Every event can only be invoked in its declaring type. You cannot even write a derived class and invoke the event declared...
C#graphicsprinting
Change Busy Button Colour by Sergey Alexandrovich Kryukov
Answer 13 May 2013   license: CPOL
Instead of changing color, you should disable the button. Use the property IsEnabled or Enabled — it depends on the exact button type you did not bother to specify. Different UI libraries have different classes under the simple name "Button". When UI is involved, you always need to tag UI...
C#
Answer 13 May 2013   license: CPOL
Normally, all 2010 projects will be converted automatically to the later version; the user will be requested for a permission to do so. If some projects depend on some compiled assemblies, the result depends on their compatibility. Usually, backward compatibility is preserved. You need to try it...
C#
Using Phantomjs on web application by Sergey Alexandrovich Kryukov
Answer 13 May 2013   license: CPOL
The question makes no sense at all. PhantomJS is not a JavaScript library like jQuery. It is compiled into binary code (http://phantomjs.org/build.html[^]), so, naturally, it cannot be used on the client side at all.The purposes of this product are completely...
C#ASP.NETJavascriptMVC
Answer 13 May 2013   license: CPOL
Use, say, Visual Studio refactorization engine.—SA
C#MVC
How can I control the order of Dll were loaded ? by Sergey Alexandrovich Kryukov
Answer 13 May 2013   license: CPOL
Right approach is just the opposite: any technique based on any assumptions on the order of loading of DLLs should be considered as incorrect and never be used. It would abuse and sabotage the process of software development, as well as the quality and reliability of final results.Chances...
C++Visual-Studio
Answer 13 May 2013   license: CPOL
I would add to the correct Solution 1: "skipping" a line means reading it. In this case, this is related to the simple fact that the lines have different length. Before you can access some line, you have to read all the previous lines; before you do it, you cannot really know the position of the...
C#
Answer 13 May 2013   license: CPOL
Please see my recent answer on how to handle the event: ASP.NET MVC4 Application[^].For changing color and other aspects of the presentation from an event handler, prefer using CSS group of methods: http://api.jquery.com/category/css/[^].—SA
ASP.NETVBVB.NET
Answer 13 May 2013   license: CPOL
This article is only for XP, but it is still partially applicable: http://support.microsoft.com/kb/310424[^].For more modern documentation please start from: http://technet.microsoft.com/en-us/library/cc766266.aspx[^].—SA
C#ApplicationConsole
ASP.NET MVC4 Application by Sergey Alexandrovich Kryukov
Answer 13 May 2013   license: CPOL
MVC and even ASP.NET are pretty much irrelevant here. The event is always handled on the client side (however, you can register script in ASP.NET).You can use jQuery and its .change() method: http://api.jquery.com/change/[^].The example shown in this documentation article demonstrates...
MVC
How to transliterate on c# .net 4.0 ? by Sergey Alexandrovich Kryukov
Answer 12 May 2013   license: CPOL
Please consider the alternative I suggested in my past answer: Problem in typing in Hindi and english[^].What do you think? The problem is: Tamil has over 60 characters. I explained how it could be worked around.—SA
C#.NET.NET4
How to prevent hacking from file upload control? by Sergey Alexandrovich Kryukov
Answer 12 May 2013   license: CPOL
There is nothing to prevent. Anyone can upload anything, including some code which would try to hack your site. So what? You should never execute any code, even anything which is harmless. I can imagine that you should show some uploaded content, including, for example, HTML, and HTML would mean...
C#ASP.NET
Answer 12 May 2013   license: CPOL
I think that using threads with blocking sockets instead of asynchronous API is much better. In most cases, communication is sequential in its nature and the flow of operations is logically independent from other threads. Therefore, using a separate thread for each communication channel (in case...
WindowsWin32Visual-StudioServerprogrammingsocketudpNetworkingNetworkSockets
What is this ASCII character code ? by Sergey Alexandrovich Kryukov
Answer 12 May 2013   license: CPOL
There is no such thing in ASCII. What you see is a special font for obsolete Microsoft platform, the symbol replacing "normal" ASCII character. You should not use it.Instead, you should use Unicode Ⓐ: U+24B6.For other "problems" like this one use Unicode reference:...
C#
Answer 12 May 2013   license: CPOL
I would suggest you use System.DateTime.TryParse or System.DateTime.TryParseExact with appropriate time format string or culture:http://msdn.microsoft.com/en-us/library/az4se3k1.aspx[^],http://msdn.microsoft.com/en-us/library/8kb3ddd4.aspx[^]. However, making a user to input date or time...
ASP.NET
how to display marathi messagebox by Sergey Alexandrovich Kryukov
Answer 12 May 2013   license: CPOL
You can create your own version MessageBox using either modal System.Windows.Forms.Form or System.Windows.Window."Modals" means… well you should understand it. In a word, this is like using ShowDialog. Please...
ASP.NETApplicationWeb
Answer 12 May 2013   license: CPOL
I'm not sure you can make a page a child of Canvas, but it surely could be another Canvas instance. You can read a Canvas object from the XAML file and insert the result of it.For a sample of appropriate XAML, you can use use open-source Inkscape (wonderful application, a must to have,...
C#XAMLWPFC#Visual-StudioSilverlightC#4.0VS2010CanvasContainers
Answer 12 May 2013   license: CPOL
This is not only a good practice, it's a must. I would rather like to have "Remove unused references", too. You should always rigorously remove everything unused and take it as one of the most important engineering principles, in all branches of engineering, not only software.—SA
Visual-Studio
search query in xml vb.net by Sergey Alexandrovich Kryukov
Answer 12 May 2013   license: CPOL
Omkaara wrote:I'am using VS 2005, 2.0. Framework Linq is not available in VS 2005.If you cannot use .NET Framework of the versions above v.2.0, you will have to use other means of working with XML and develop the search by yourself. Please see my short overview:XML Read/Write:Use...
.NET2.0VB8.0XMLVB.NETVB.NET
search query in xml vb.net by Sergey Alexandrovich Kryukov
Answer 12 May 2013   license: CPOL
Please see:http://msdn.microsoft.com/en-us/library/bb387065.aspx[^],http://msdn.microsoft.com/en-us/library/bb387063.aspx[^],http://msdn.microsoft.com/en-us/library/system.xml.linq.xdocument.aspx[^].—SA
VB8.0XMLVBVB.NET
Answer 12 May 2013   license: CPOL
This is not related to MCV, Razor or anything like that. Most likely, you are working with System.Drawing.Image; its instance can be saved in any stream, including memory...
MVC4
How to ping IP Address in asp.net Using vb.net ? by Sergey Alexandrovich Kryukov
Answer 12 May 2013   license: CPOL
You cannot improve the ping timing as you merely act as a client. You cannot do much about it.—SA
VBVB.NET
C# only enable button X in form by Sergey Alexandrovich Kryukov
Answer 12 May 2013   license: CPOL
Here is how:http://msdn.microsoft.com/en-us/library/system.windows.forms.form.minimizebox.aspx[^],http://msdn.microsoft.com/en-us/library/system.windows.forms.form.minimizebox.aspx[^].But much better way it this: Microsoft Q209354.—SA
C#buttonsForms
C# Screen Recording program, by Sergey Alexandrovich Kryukov
Answer 12 May 2013   license: CPOL
But idea, to save anything on timer click, but please see:http://msdn.microsoft.com/en-us/library/ms142147.aspx[^],http://msdn.microsoft.com/en-us/library/ms142148.aspx[^].That's all you need.—SA
C#.NET
ASP.NET MVC4 Application by Sergey Alexandrovich Kryukov
Answer 12 May 2013   license: CPOL
This code is "not working" because it… does nothing. You just try to create a function object without assigning it to anything any any use of it. Probably you meant to call this method in response to $(document).ready? then it should be:$( document ).ready(function() { /* ... */ });...
MVC
nullreferenceexception was unhandled vb.net by Sergey Alexandrovich Kryukov
Answer 12 May 2013   license: CPOL
You did not show where the exception with the message "Object reference not set to an instance of an object" is thrown. Not to worry. This is one of the very easiest cases to detect and fix. It simply means that some member/variable of some reference type is dereferenced by using and of its...
VBVB.NET
To Download logic in asp.net by Sergey Alexandrovich Kryukov
Answer 12 May 2013   license: CPOL
Makes no sense. This is download, not upload. The file is on the server part. So, its size known in advance. And what is "for example"? Makes no sense. The general "download code" is like this:Download the source code"—SA
C#ASP.NET
Answer 12 May 2013   license: CPOL
As '$' is actually defined in jQuery, it's likely that you did not include jQuery at all. This is of course my guesswork, as you did not show your HTML . Please see: http://jquery.com/download/[^].—SA
JavascriptjQuery
Answer 12 May 2013   license: CPOL
Use smaller bitmap size in first place or bigger buttons. Don't resize (resample) any bitmaps of small size, as the qualify of this operation can be very poor. Just think about it.—SA
C++Win32
Why it cause infinity cycle error? by Sergey Alexandrovich Kryukov
Answer 12 May 2013   license: CPOL
Unfortunately, this code does not deserve debugging, because this is not how a software developer writes code. A software developer would never repeat identical declaration several times like your 10 Boolean variables. A software developer would declare an array or use some collection. A...
VBVBVB.NETHelprandom
Locate all columns that the application don’t use by Sergey Alexandrovich Kryukov
Answer 10 May 2013   license: CPOL
I think that, given enough time, I could proof that in general case this is theoretically impossible. But I can give you the idea:http://en.wikipedia.org/wiki/Halting_problem[^].Are you getting the picture? You may have some "dead code" in your application, which uses some columns but is...
SQL-Serverdatabase
webKitBrowser *.doc link click by Sergey Alexandrovich Kryukov
Answer 10 May 2013   license: CPOL
OK, I took some time and got the complete solution for you. It was easy and worked from the first attempt!You just ignored some of my words. Did I tell you to use another event and cancel redirection to "href="https://docs.google.com/viewer?url=..."? Also, pay attention: this URL is...
C#Wordwebkit
webKitBrowser *.doc link click by Sergey Alexandrovich Kryukov
Answer 10 May 2013   license: CPOL
This is because you don't really navigate to *.DOC. You need to start using the debugger, by the way.—SA
C#Wordwebkit
Answer 10 May 2013   license: CPOL
For the overall throughput, practically, it makes little sense to use more threads then CPU cores. Let's assume your all your other process are in the wait mode and don't take CPU resources. All correctly designed UI applications are like that. It means that your threads take all the time. Now...
C#ASP.NETVBVB.NET
Answer 10 May 2013   license: CPOL
In case you don't know yet: this is related to this Windows API function: http://msdn.microsoft.com/en-us/library/windows/desktop/ms644990%28v=vs.85%29.aspx[^].See also: http://msdn.microsoft.com/en-us/library/windows/desktop/ms644959%28v=vs.85%29.aspx[^].As to the samples, now when you...
WindowsWin32hooking
Help clicking a button in a window by Sergey Alexandrovich Kryukov
Answer 10 May 2013   license: CPOL
First of all, let me tell you that you are probably trying to do a dirty things. Writing UI simulation mouse clicks is bad thing. However, I understand that it might be reasonably used for some special purposes: creation and playing back mouse/keyboard macro, creation of the demonstrations,...
WindowsWin32
Why can't I click on any element in the class ? by Sergey Alexandrovich Kryukov
Answer 10 May 2013   license: CPOL
Do you mean that you cannot click at some HTML element, rendered on a page, which has certain "class" attribute? Is so, this is not true. Trust me, you can click on absolutely any element! moreover, you can click on any point of your computer screen. But you should not expect that something...
Javascript
Answer 10 May 2013   license: CPOL
It's a really bad idea to do this operation. Make sure you don't add blank lines in first place. Such lines are useless and are only confusing to the users.—SA
C#
Answer 10 May 2013   license: CPOL
You did not show where the exception with the message "Object reference not set to an instance of an object" is thrown.This is the second time you ask about this exception. Apparently, you should not ask such questions again and again, but need to learn how to sort out such trivial issues by...
C#
Answer 10 May 2013   license: CPOL
You could do it if you use this sorting method:http://msdn.microsoft.com/en-us/library/wstxtkxs.aspx[^].You would need to provide a special implementation of System.Collections.IComparer, http://msdn.microsoft.com/en-us/library/system.collections.icomparer.aspx[^], so it would provide some...
C#
Regarding GAC ( Global Assembly Cache) by Sergey Alexandrovich Kryukov
Answer 10 May 2013   license: CPOL
When the assembly (it's assembly, not "DLL"; for .NET, this is no more than a name of the modules of one of the assemblies) is placed in GAC, you should not reference it by assembly location. From this moment, you have to reference it by its strong name. With Visual Studio, you will find it by...
ASP.NETVBVB.NET
Forum Message 10 May 2013  
The account has gone by now. My congratulations. Usually, such cases are not even reported. You see, there is a number of the cases which are probably nearly as bad as what you described, but many
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