Good Morning, I've used a datagrid to show some web template images that you can see at the address http://www.etantonio.it/IT/Web/TemplateSiti/index.aspx my idea is to put two photo on the same row, I know this is possible with the datalist but how I can achieve the same using a datagrid ?...more >>

Hello. I'd want to see the right value that inserted, but very small value like 0.00007m doesn't displayed exactly(displayed 7E-5). ex) decimal b = 0.00007m; TextBox.Text = b.ToString(); => 7E-5 TextBox.Text = b.ToString("F"); => 0.00 TextBox.Text = b.ToString("0.00000"); => 0.00007 ...more >>

Hi, i currently building project for my final year degree and i using object oriented with c# i want to ask if anyone know how to test the system that using object oriented, im planning to use Black Box and White Box but i dont quite understand on how to tested the classes thax...more >>

Hi NG, After a break of two months I am back on my project of converting a COBOL ERP product to C# and SQL Server. I now have to process a tree structure in C#. Not only am I a newbie in C#, but SQL as well. So if these questions sound stupid, please forgive me. All of my programming in...more >>

Hi! In c# I use [DllImport("userenv.dll")] to fetch the GetDefaultUserProfileDirectory But there are a LPTZStr and i don't know what the equalient is in c# for that. Anyone who can give me a code snippet on how it should look to import this function? Regards Martin Arvidsson ...more >>

Hi, I am so far familiar with the C# lock keyword, which I understand prevents any other thread from entering the portion of code which is locked, assuming you are locking the same object instance. I have a cache of data which initially I locked when I write to it, and I locked the same obj...more >>

Conditional methods are throwing me for a loop. I understand that if I compile the BLAH class code below in a Release mode project, it will not include the "Message" method. However, let's say that I have another method that CALLS this method, like the foobar class. Won't the compiler bomb? O...more >>

Hi all, Does anyone know of a decent code generator that would take in the details of the variables I would like my class to have and then make the property accessors from that information? It seems I spend ages at the begining of a project just writting that same old very elementary cra...more >>

Hi all, I have a very general but quite significant question about objects. My question is, when should I create them? I know thats a crap question so let me explain a bit further. Lets take an example of user management against a database. Things I might like to do include: - Creati...more >>

Hi, I have a txt file with some text I want to send via mail... The text contains some words with accents... With my code, I receive the mail, but letters with accent are missing :-( What am I doing wrong ? // Loading text file private string MyBody(){ TextReader ...more >>

I am new to C#, I want to perfoem a calculation and I have a weird out come from the app. Here is the code double percentage = 0; percentage = ctrl1.Height / (ctrl1.Height+ ctrl2.Height) when I try to output the percentage, it is always 0. (ctrl1.Height and ctrl2.Height are positive v...more >>

I am new to C#, I want to perfoem a calculation and I have a weird out come from the app. Here is the code double percentage = 0; percentage = ctrl1.Height / (ctrl1.Height+ ctrl2.Height) when I try to output the percentage, it is always 0. (ctrl1.Height and ctrl2.Height are positive ...more >>

Fairly simple question !!! The title says it all. But here is a further description - I have a software that expects a COM DLL. Due to certain requirements we have to create a .NET assembly instead. I know we can do RegAsm, but the way we have to "load" this assembly into another program ...more >>

Another question about convertions... how could I convert the code below to C#? Public Property Value(ByVal index As Integer) As String Get Value = dt.Rows(index).Item(MyBase.ValueMember) End Get Set(ByVal value As String) dt.Rows(index).Item(MyBase.V...more >>

Hello People, I would appreciate your responses on this. I am writing an asp.net web-application involving C#. I am actually building a test hierarchy at the moment, which involves producing dynamic controls, depending on user response. To be more precise, I prompt the user for the num...more >>

Hi all. How could I convert the VB.NET "Overloads" modifier to C#? Public Overloads Property DataSource() As Object End Property Grateful. -- Fabio Negri Cicotti Software Engineer ...more >>

Hi , Does .Net have any method/function that escape charcters while writing a XML file ???? Thank you in advance. ...more >>

Hi, I've created a simple user control (System.Windows.Forms.UserControl) in c#. Then I place two items of this control on a form. After this I try to drag one control to the other and try to catch the OnDragEnter event. This doesn't work. My question is, how should I do this? If I try to dra...more >>

I have a webform, from which I have to submit info to another site. Their instructions are to have a html form, with the following as the submit: <form method="post" action="http://www.theirsite.htm"> <input type=hidden name="field1" value="value1"> <input type=hidden name="field2> value="valu...more >>

I have RichTextBox on my form... When I press the 'OK' button, form must save contents of the RichTextBox on the disk... It wouldnt be a problem usually, but it is because i need to save it as HTML. All tags must be generated (fonts, styles, etc)... After that i would need to read HTML document ...more >>

In my C# Webapplication.. I enter the date in a textbox using popup Calender in the format MM/dd/yyyy.. when i retrieve date from Sql server for updating using datarow to fill the textbox the date format dd/MM/yyyy hh-mm-ss i want to convert it back to the original format & ommit the time.. ...more >>

This is a multi-part message in MIME format. ------=_NextPart_000_0011_01C4E125.468E7FC0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi ALL, VS.NET 2003 comes with standard version of PreEmptive's Dotfuscator. I = have used it but I wanted...more >>

I have a list of points (their coming in as decimal types, I can convert to PointF) that I am trying to draw to a form. Unfortunately, the coordinate system these points are coming from is not like Windows Forms use. Instead of (0,0) being the top left, (0,0) is in the "standard" graph positio...more >>

Scenario: The end-user selects File-Save from my applications (WinForm) menu, = specifies a filename, and waits waits for my app to write the contents = of a dataset to an Excel workbook. The SaveXLReport method completes = successfully, calls myXLClass.Dispose, and returns control to the user ...more >>

I would you like to capture a keyPress or KeyDown event and checking wich characters was pressed and if the char is not allowed I want to Cancel the event. That's what I want: In a textBox I want to allow insert of only number or character that I select and if sameone press another char I sim...more >>

how do I use windows security in windows apps. This is not for asp.net...more >>

Hello NG, I want to find if there is any user input (via mouse and keyboard only) even my app do not have focus (minimized or in background). How can I do that in managed code? Thx, Po ...more >>

Hello I am trying to get a list of shared files and subdirectories in a particular folder on a server. For this I am using DirectoryInfo in the following way. DirectoryInfo folder = new DirectoryInfo("\\\\server_name\\shared_folder_name"); FileInfo[] fiArr = folder.GetFiles(); Director...more >>

Hi all I am running a standard client server socket type thing and I have started getting this exception Exception: System.IO.IOException Message: Unable to read data from the transport connection. Source: System at System.Net.Sockets.NetworkStream.Read(Byte[] buffer, Int32 offset, Int...more >>

Thanks in advance to anyone who can help :) I'm trying to extract a specific NodeSet out of an XML file; however, I'd like to include a C# string variable as part of the XPATH statement; so far I've been unsuccessful and I'd like to know if this is even possible and if so how to do it. An ...more >>

Base class: class AssetBase { string _clli; public string CLLI { get { return _clli; } set { _clli = value } } } In Derived Class I want to give dif...more >>

I am working with Richtextbox and tom in c#. Everything works fine, but I am unable to get the ITextFont object from the IDocument interface nor do I see functions GetFont and SetFont in ITextRange and ITextSelection. What's wrong? Found that windows2000 has default Richedit 3.0 ( Riched20.dll.)a...more >>

I have two questions: 1. How do I use windows security in my applications login screen. This is not for asp.net 2. How can I use msde in my c# application both win forms and web forms, is there a book on this....more >>

Hi, In C++ I was used to this code to get a GUI system font : LOGFONT lf; ::SystemParametersInfo(SPI_GETICONTITLELOGFONT,sizeof(LOGFONT),&lf,0); HFONT hFont = ::CreateFontIndirect(&lf); How can I get such a font in C# ? Thank you Herve ...more >>

I am trying to write a regex expression which extracts all href links from a HTML page... I'm currently using the following: href\\s*=\\s*(?:\"(?<1>[^\"]*)\"|(?<1>\\S+)) but it has a problem with hrefs enclosed in single quotes, such as: <a href='anotherpage.htm'> I'm not a regex guru, ...more >>

Is it a good idea to load a user username/email and password into session state if you will be validating information against those credential through-out the use of the web application? or is it best or more secure to just get that information from the database when needed? ...more >>

Hi all, I have to randomlly pick numbers, but not any any number, it has to be from a predefined set of posible values. Is there an "easy" way to do that???? TIA, Sebastián ...more >>

Hi, Why isn't it possible to use a ||= b? To increase efficiency, I only want to evaluate as much as neccessary. Do I have to write it the "longer" way (a = a || b)? Thanks, Mats-Lennart ...more >>

Hi, I have the following simple code: string foo1 = "My\rLine\rIs\rHere\r"; string foo2 = @"My\rLine\rIs\rHere\r"; When I do a Console.WriteLine() on each variable, the foo2 is displayed with the \r displayed but foo1 is garbled. Why is that? Also, suppose I'm given a string with \r u...more >>

Hi, I wrote a small program that copy a list of files to a specified folder one by one, i.e. this app will copy one file into the specified folder and wait until it's consumed (deleted) then copy another one in. Here is what my code: // other codes to get a list of files while (morefile...more >>

Hmm... this is a good start. But I guess what I'm looking for is a way to ensure they actually get called. Except that I would only want them to be called in a weird place (like form load event) IF they were the base methods. We wouldn't want to trigger the real things at a goofy time... Or...more >>

I used System.Diagnostics.Process.Start(str) to launch application. str is based on the registry setting, in registry, it might be str = rundll32.exe "%ProgramFiles%\INTERN~1\hmmapi.dll",OpenInboxHandler str = "C:\PROGRA~1\MICROS~4\OFFICE11\OUTLOOK.EXE" /recycle str = "C:\Program Files\Interne...more >>

I have this code snippet in C# that I have to convert to VB object o = null; if (mode == PageTrackingMode.ByApplication) { o = Page.Application[HitsKey]; } else if (mode == PageTrackingMode.BySession) { ...more >>

I don't see how this will help. I need to call the methods in the base form. So I'd have to implement the interface in the base form. If I do this, wouldn't any derived form inherit those implementations? So the developer would still not be forced to inherit them. If I'm wrong about any of ...more >>

I am trying to create image property that will work in the designer. I want the image to be written to the resource file for the class. Here is what I have so far, but I am running into a wall here. The property comes up okay in the designer with the drill button and the file selector. But a...more >>

I have Interface defined with custom attribute. My class implements the same interface , but I'm not able to see any attributes derived from interface.( I did set the inherited to true) . ...more >>

I've included using Microsoft.VisualBasic, cranked up a VBCodeProvider, the only class I see in there, don't see DateDiff as a method though? Thanks in advance!! Derrick ...more >>

I have a hash table and want to bind it to a datagrid. Anyone know how to do this without interating throught each key value pair?...more >>

Hi, I am using .NET 1.1. I put a web address to a RichTextBox and set its DetectUrls property as true. After the app starts, it underline the link automatically but I cannot click it. How can I make it clickable in RichTextBox? Thanks Chris...more >>

We are writing a set of Windows Services using C#.NET that will run on the same server. One of the developers here said that we should assign each service its own Base Address using the Properties page, so that the services won't conflict with each other. I cannot seem to find any informatio...more >>

Hi, I have a C# font instance. I would like to instanciate a font equal to this one but with the bold attribute. What is the shortest way to create the second one from the first one ? Thank you Herve ...more >>

I have an enumeration of constants as follows. public enum eDeviceErrors { NoError = 0, ENOENT = 2, EBADF = 9, EACCES = 13, EINVAL = 22, Checksum = 40, SeqNum = 41, InvalidTour = 42, CommandNotRecognized = 43, FOPEN = 44, LENGTH = 45, TERMINATOR = 46, FWRITE = 47, FCLOSE = 48, FGE...more >>

What does it do when you have a property with get and set accessors like this? public int PasswordAttemptWindows { get; } Thanks, Mike *** Sent via Developersdex http://www.developersdex.com *** Don't just participate in USENET...get rewarded for it!...more >>

Hi, I have written a mini custom control in C#. In my assembly, there are 2 controls at the same level in the namespace hierarchy. The problem is that when I add the dll to the toolbox in visual studio, the entry in the toolbox takes the name of one of the 2 controls, and not the one I would l...more >>

Hi, Does anyone know how/if you can instantiate a C# reference type object dynamically? More specifically, my project has a number of classes that I've created and in some cases it would be very handy to be able to instantiate them based on a string variable representing their class name. Here...more >>

Hi- I'm new to C#, .NET. We have a C# dll that we need to work as an AIC with Biztalk Server 2000 (since BTS 2000 does not support components built with VS ..NET). We were thinking we could write a VB6 dll that is compatible with BTS 2000 , and then call the C# dll from the VB6 dll. Is thi...more >>

I'm writing a small app in C# and I managed to let the browser call my IInternetProtocol's Start and Read methods. Problem is: I can't pass the data back to IE. I have tried various signatures for Read, including: public int Read( IntPtr pv, int cb, out IntPtr pcbRead ); public int Re...more >>

Is there a safe Application log event source? By safe, I mean one that will always exist (excluding any manual deletion) on any and all normal xp, 2003 installations. I thought "Application" was one but apparently its not. Kevin ...more >>

Hey guys, Has anyone here done done socket programming with c# where you would connect to secure server over SSL? After numerious searches online on google, I am almost to the point where I believe that .net framework doesn't have any classes for SSL sockets. Is that true? So if I want to m...more >>

Hey all - I'm having a really confusing problem concerning a web service. Right now, I have an application that needs to call a web service that does nothing but return "true" (this will obviously change once the program's fully built to actually do something, but for testing, it works). T...more >>

Hi, I have a TextBox inside a usercontrol, in the onInit method i put its ID property to a string value, like this: MyTextBox.ID="test"; but when the user control is renderer into the internet explorer and i see the source code, i see that <input type text id=_ctl1_test> Why im getting...more >>

Hi everyone, I am looking for a function and/or a DLL which could provide me the List of files in use by a Process (under Win2k or Win XP) I hope you have an answer. I am now using an Executable file which gives me the result and use an output redirection to get the different filenames, bu...more >>

Hi, I have written a console application which accesses emails stored on outlook and information about them into SQL Server. The program works but I have click yes to all the pop-ups that appear to say another program is trying to access outlook. Is there a way to stop this pop-up from ...more >>

Hi all, I have 3 Comboboxes i want to bind with 3 different DatTables. I use this.cbxProductCategory.DataSource = myDataTable; this.cbxProductCategory.DisplayMember = "PTCA_DESCR"; this.cbxProductCategory.ValueMember = "PTCA_CODE"; to bind the data. Although I 'm 100% the data is i...more >>

In SystemParametersInfo API, type of its pvParam is PVOID. I want to know what type I must use to both set and get of this api works properly. ...more >>

How to detect active MDI Child inside the MDI parent? thax...more >>

Hi guy, i just wondering that is it posible to convert the array of string to enum types dynamically, for example i get the list of countries name from database and would like to convert all of them to Enum. If so please show me the way to do it Thank you very much Thomas...more >>

Hello, i have two applications (once in vb6 and once in c#) which have to communicate together. They have to send and receive strings. I used api-method sendmessage, but it doesn't work. in vb: Private Declare Function SendMessageByStr& Lib "user32" Alias "SendMessageA" _ (ByVal hWnd...more >>

Hi, 1. Is there some good c# printed magazine? 2. I see this forum has not many activity, where can i find c# forum with more activity? 3. visual studio 2005 has release version already?...more >>

Hi, How i can check if a string is a valid DateTime pattern? In java i can use the class SimpleDateFormat that throw an exception when is initialized with an invalid datetime pattern. There is any class in C# that i can use? "yyyyMMdd" --> Correct format pattern "dd44fgfd" --> Incorrect fo...more >>