i'm trying to create a custom control that contains multiple controls of different types(textbox, combox, checkbox, etc..) the examples i see derive from one type....for instance TextBox. ultimately, i need to bind to all the control types in my custom control. i.e. populate the controls with...more >>

class myclass { public static object this[string index] { get { return "Row[index]"; } } } returns error modifier static is not allowed for this item. How to use static indexer ? Andrus. ...more >>

I have a console application. The "main: driver instantiates a class which does all of the work. I decided that I wanted to create a Windows From which would call the class which was created in the console application. It has been forever since I worked with a Windows application, but the...more >>

Hi, I am working on an application which uses date as a primary key. All my records are at least a few millisecond apart and are in the form "20070630T12:50:24.207". SQL Server has a precision of 1/3000 of second to store dates. I would like to bring down the precision of my data to match ...more >>

I forget the right syntax.... If I Have multiple signatures for a constructor, but I want each to call a "main" version of the constructor...I can't remember how to do this in C#.... public MyClass(string a, string b) { Do something.... } public MyClass(sting a, string b, string...more >>

Hi All, I saw my code jump out the function call directly without throw a boundary error.... no boundary check ? string[] str_member_id = new string[100]; str_member_id[id_count] = "sth"; // exit directly without throw a msg when id_cound=101; Best regards, Boki. ...more >>

Hi All, Q1: the page total char is 2336 ( count by MS Word ), but IndexOf return 16xxx, it is larger than total lenght, interesting thing is when I use substring to get the string I want, it still works. Q2. Due 'at' return very large value, how to deal with overflow issue .... /* CODE...more >>

Hi Can any one please help me out in getting the source code of Importing the Email Contact Lists from Yahoo or MSN or any email subscriber. This is very urgent for me. I tried in the Internet but I could not get any proper solution for this. I saw lot of web sites and almost all the apps ...more >>

Hi there, I am currently writing an application where one inspects images and annotates certain features. Thus, one has to zoom in (4x) and pan around. The features are marked with little red rectangles.The images are 2048x2048 pixels. It seems that I can find no efficient way to implement...more >>

Given that PenID is a Guid, is there a better way to write this? if (PenID.ToString() != "00000000-0000-0000-0000-000000000000") I thought I could do some sort of Guid.Empty check or something. Thanks, Ron ...more >>

hi, i want to find out stacktrace of a thread that is only have its thread id (which have created in vc++ project), i can find processthread by searching in ids of System.Diagnostics.Process.GetCurrentProcess().Threads but how can find stacktrace while stacktrace constructor only accept system...more >>

I got this error and have no clue what to do. Error code( -2146232060 ) An error has occurred while establishing a connection to the server. When connecting to SQL Server 2005, this failure maybe caused by the fact that under the default settings SQL Server does not allow remote connectio...more >>

I keep getting this message Visual Studio could not copy a support file to this location.... Please verify the path exists and is writeable. I keep trying to set the read only bit on it but when i click Ok it goes right back. I tired subfolder, even the mydocs folder too.. still read o...more >>

I would like to find all the WINWORD tasks running on my windows 2003 server and END them. Where can I find how to write such code in c#? Thanks ...more >>

I have a schema that defines a STRING variable: TimeLimit On my data collection form, there are two numericUpDown controls - one for hours, one for minutes. Internally, the program does the conversion, hours * 60 + minutes to get the TimeLimt in minutes. Is it possible to DataBind in thi...more >>

Hello! In VS2003 I could use the Toolbox to drag an adaper into the window form. This adaper was located under the Data section in the Toolbox. In VS2005 I can't find any adaper anywhere in the Toolbox. I mean that I save a lot of work when I can use the adaper that existed in VS2003. ...more >>

Hello Everyone, I am trying to convert the digits to even number so for example if I have 3 digit number, I want it to be 4 digit and If I have 5 digit number, I want it to be 6 digit. How can i do it in C# Below is what I am trying to di number = 123 I want it to be 0123 and 23...more >>

I thought this would already be covered here, but my search turned up nothing. In VS2005, if I use "String" to define a new variable/class, it colors it in the Aqua color as it does other classes. But if I use "string", it colors it in Navy blue as in C# reserved words (e.g. private, void, fo...more >>

I use a method for threading that instantiates an object that is a wrapper to a DLL (written in C). The wrapper class is passed a byte array, and then does GCHandle handle = GCHandle.Alloc(buffer, GCHandleType.Pinned); IntPtr ptr = (IntPtr)(handle.AddrOfPinnedObject().ToInt32() + buffer....more >>

Ok, I am curious if this can be done in C# 2.0 via some internal .net functionality or if I have to do a coversion myself such as a copy construtor or override the explicit operator. I have 3 classes. ClassA ClassB which derives from ClassA ClassC which derives from ClassA as well I...more >>

Ok, I am curious if this can be done in C# 2.0 via some internal .net functionality or if I have to do a coversion myself such as a copy construtor or override the explicit operator. I have 3 classes. ClassA ClassB which derives from ClassA ClassC which derives from ClassA as well I can...more >>

I have the following text inside a file which I am trying to parse. I am creating a new RegEx object as follows :- string strRegex = @"({S:\r?\n)([^}]*)(})" {S: INTERLOCK FAIL : Tie bar hoist - rotate anticlockwise I1-T/bar hoist slew handwind eng, input LS/TBHS/HWEa is LOW I1-T/...more >>

Hi, I am trying to get a webpage using a TcpSocket instead of a standard Webrequest. Initial, it works fine but after the 2 or 3 request the tcpclient I start to get the following error: A connection attempt failed because the connected party did not properly respond after a period of ...more >>

Hi All, When I publish an application using C# express there is an option to have the app look to a URL for updates. What files are needed in the directory that would be used to update? Just the updated version of the .cs file(s)? Thanks for any help! ...more >>

Given a string, what's the best way to transform it into an XML friendly format? For example, say I have a string like "hulio /<vonNostram <-!" The less than ("<") and frontslash characters are confusing the third party program that is receiving this string, since these characters have spe...more >>

Hi, I have a problem when I am trying to compile the .vb assembly to dll in VB studio 2005 Express Edition. I have my onw dll, which looks like: Public Class CL1 Public Shared Function FN1(...) As String ... End Function End Class (in .vb format) and I have another assembly,...more >>

Hello, I have a ComboBox named comboBoxSelChannel. I declared a structure named MySturct. public struct MyStruct { public int Index; public string Name; } I created a BindingList of MyStruct: MyStruc...more >>

Hello friends, Can we build the HMI using ASP.NET website? What will be the best way to build the HMI? Regards, Gouri Mahajan. ...more >>

The group and search engines revealed many hints on how to use the 'Open With...' dialog, for example at: http://www.codeproject.com/csharp/openwith.asp Now in addition to a solution as presented in the tutorial above, I would like to remember the application that was chosen, so that I don'...more >>

I have written a managed C++ dll. I have to use that dll from C#, VB .NET and VB. It has got a parameterised propetyfor the very specific requirement. For example get_Pie(float f). When I am using that dll from another Managed C++ application, VS 2003/2005 IDE is displaying one property and on...more >>

Is is possible to send events through application domain boundaries (i.e. from one application domain to another)? ...more >>

I have a user that uses a built-in wireless ethernet card to connect to our wireless router and surf the internet from behind our router and uses a wireless Sprint card to connect to the internet when not in the office. I need to be able to detect when he is connected from the office and when...more >>

By default, ThreadPool has 25 worker threads per CPU and 1000 IO threads for each process. I am wondering how CLR managed to allocate IO asynchronous tasks to IO thread and other asynchonous tasks to worker thread. With the help of Reflector, I found that default implementation of Stream.Read...more >>

We are writing a wrapper in Managed C++. Wrapper is based on a C dll. That wrapper will be used from .Net based application and VB also. Our initial understanding that a .NET Application developer will pass a delegate to the Managed C++ wrapper and in this wrapper, we have to cast the delegate...more >>

I posted this 2 weeks ago but the thread has 'dried up' and I have new information. We are using system.web.mail with .Net 1.1 (.Net 2.00 version is under development) and some of our users are reporting that having multiple names in the 'to' field for sending emails (using smtpmail) cause...more >>

Hello: As an avid reader of C++ books, I know a lot of programmers out there are confronted with the challenge of exception safety. For those who don't know what it is, it is writing code in such a way that an exception will not cause a class to be left in an unstable state. For instance, y...more >>

Hi All, I am programming a message robot to Yahoo somewhere. I found it is impossible to leave a message directly. because 1. There are 2 security keys need to fit, the key only come with the web page when user already request it ( I means if we didn't request that web page first, we c...more >>

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Hi all, I am newbie in c# and i have a question. I try to work with serial port. and i will like to configure the serial port by a form I add in a ComboBox.parity some items like: None Odd Even Mark Space then i will like to pass the item value to serialPort.parity serialPort.pari...more >>

What is the equivalent of Double.toString from Java in C# In Java new Double(4).toString() = "4.0" but in C# new Double(4).ToString() = "4" ...more >>

Hello! I trying to update a table using sql server but no update will be done. I don't get any error at all. Here is an extract from the code. Does this seems to be right. I have a Dataset and an Adapter private void Form1_Load(object sender, EventArgs e) { // TODO: This line...more >>

Hi all, Am not sure if this is the right place for this question but... Does anybody know if there is any limitations on the number of Host Header entry per Website in IIS 6.0? thanks puja ...more >>

CopyFromScreen has alot of cool options in the CopyPixelOperation enumeration. But, I don't get it. I want to overlay bitmaps using the various options, so I have to first draw each on screen then copy it to a graphics object???? Doesn't sound right, I must be missing something, what is...more >>

Hi, For the following code snippets: public static List<T> getListFromConfig<T>(List<T> objList, int uniqueID, string fileDirectory, string fileName, string configName) where T: new() { //some codes to add items to objList return objList; } I have the following q...more >>

Hi all I'm writing an application using reflection feature of .NET Framework. My applicaiton need to accept a assembly name as input parameter and then must populate all methods and property from all class in this. I'm trying to use BindingFlags with GetMethods and GetProperties from System.T...more >>

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hi, im getting the powerstate of the battery usingSystemInformation.PowerState like so: PowerStatus power = SystemInformation.PowerStatus; if (power.BatteryChargeStatus == BatteryChargeStatus.Charging) //code here but the problem is, the enum is BatteryChargeState shows this ...more >>

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Hi, I need to validate a textbox to have exactly 4 characters that represent the number 0001 to 9999 (cannot be 0000). The regext I came up with rather long: ^(\d){3}[1-9] | \d{2}[1-9]\d | \d[1-9]\d{2} | [1-9]\d{3}$ and not easilily extendable should the need arise for say 5 or 6 numbered ...more >>