I would like to recognize whitespace or nonascii characters in keyboard input. Is there an easy way to do this test? I could do e.KeyChar < '!' || e.KeyChar > '~' but this seems to make the assumption that the user is inputting ascii characters - but maybe they are using some oth...more >>

Hi, I have to process a very "wide" CSV file. Basically, the file does not appear correctly in Notepad, WordPad etc because each line is 414 characters wide. Ordinarily, I would have read the file into a StreamReader and processed each line in turn e.g. objSR = new StreamReader(strFileSp...more >>

Hi, I have 4 items in a dropdownlist. After selecting the item the dropdownlist gets disabled. this operation is performed in selectedIndexChangeCommited event. Now the problem is, I hignlight the 3rd item and tab out from the list. The 1st item is getting selected and the list becomes dis...more >>

Hi, What are the advantages of C# over VB? Thanks, -- K_...more >>

I am implementing a component that helps a developer with som localization tasks at design-time, and provides some related feature at run-time. My problem is that in order to do the design-time stuff, I need reference to EnvDTE or EnvDTE80 (I'm using Whidbey beta 2). However, can't ship th...more >>

Hi all, Using C# 1.1: I need a fast way of determining whether a string is in a list of approx 150 keyword like strings. in two versions: one case-sensitive, the other one case-insenstive. I thought of loading the keywords in a Hastable as Keys with null values, and then use Hastable.Contai...more >>

This is driving me crazy. I finally got the Remoting sample chat application working almost. When I run the chat client in VS.NET it goes into an endless loop -- that's because I assume that there is now way for me to interface to a Console.ReadLine(). However, when I run it in the cmd ...more >>

Ok, so here's a problem you probably don't see every day: We are building an application that must run in a browser, but we need to do some things client-side that would be rather difficult to pull off with the usual browser-side scripting (javascript etc). It's been decided that this one,...more >>

<RANT> Who is the genius at MS that allowed the SQL June CTP to be incompatible with the VS June CTP??? Apparently the SQL June CTP only works with VS Beta 2, and even that depends on install order. If you want the VS June CTP, do you have to stick with the SQL April CTP? Under which ins...more >>

Hello, does C# have an eqivelant to Vb's Carriage return/Line feed character? Thanks in advance for your answer Ant...more >>

I'm trying to build a querystring from a button click carrying over two variables (one from a textbox, the other from a dropdownlist),but for some reason, the error I'm getting is:'System.Web.UI.WebControls.DropDownList' does not contain a definition for 'selecteditem' The query string works wi...more >>

What is the purpose of hiding intead of overriding a method? I have googled the question but haven't found anything that makes any sense of it. In the code below, the only difference is that when the Poodle is upcast to the Dog (in its wildest dreams) it then says "bow wow" where the bernard...more >>

Hello, On the click of a button how can one print a .jpeg file from C#. Thank you. -Zelma...more >>

Hi, I am trying to open some windows forms ( created in VS2003) using visual studio 2005 (beta 2.0), but visual studio just crashes without giving any useful error messages. Any ideas if I have to do some error fixes to make it work? Bhargavan M. ...more >>

Need some advice on how I can selectively access values from a resource. If I have a dialog and I turn "Localization" to true, nearly every value set in InitializeComponents() is gathered as a value from a resource and casted to the correct type. For the most part, I need only the "text"...more >>

Hi all, I have some application which dynamically loads a module as a DLL Assembly. Both are written in C#. I also would like to be able to dynamically unload this assembly (i.e. to update the module with a newer version). How can I do that ? I used this code to load the module : // cre...more >>

How to convert an array byte into string? Hrcko ...more >>

I have a mySQL database. I have two edit boxes. editID and editEMail. I'd like to have the user enter a user ID into the editID, and press 'Find'. A query must run as 'Select email from users where id = ' . editID.text The result should then appear in the editEMail. No, it's not a schoo...more >>

Hi, I am trying to build a multi clients application with C# that will send and receive messages using a listener on a server, the computers are all on the same LAN, the listener need to identify a message in the MS Queues he listens on, and send it to the relevant clients (not all need to ge...more >>

Hi, I have a usercontrol which I need to embed into the status bar of a windows form. How can this be achieved? Cheers ...more >>

Hi, I need to give my boss a level-of-effort estimate for an ASP.NET project. The customer wants to display pictures of their church's activities in a slide-show type format on their web site. They also want to have various different types of wipes and fades between images. Can an...more >>

Hello, When I try to decompress a response from a web service I'm getting the error: "hexadecimal value 0x1F, is an invalid character. Line 1, position 1." The web server is an apache server. Content-Encoding is set to "gzip, deflate" in the request header. I can see that the response...more >>

Hello. I have loaded image to my bytes arraey from DB, now I want to load itt intot the PictureBox. howa can I do it? Thank you. ...more >>

Hi, Is anyone in this group good at regular expression? I have a seemingly simple problem, but cannot figure it out myself. I appreciate any help! What I want to check is "dog" appear exactly twice in the searchString. If I enter "^(.*dog.*){2}$", the expression matches even when "dog" app...more >>

I have an app that inserts records into a SQL db, I have a file that I'm reading to get the data out of, aka 'records', how can I determine of the record has been inserted into the database so i can log that? ...more >>

Hi all The previous owners of my house layed membrane and then gravel over the soil in the back garden. I have lifted the gravel but left the membrane down for now, and ultimately would like to turf the area. I have three linked questions, and I am wondering if anyone can help with them....more >>

Hi Friends, I don't know how many times I have submitted this topic, but no one is trying to answer me....please some one try to help me. I have created an add in C#, which is popup a form on excel. Now my query is, i have a tree control which contain some data. now when user drag any item ...more >>

Hi, I need to check for undefined values and objects in C#, which function should i use. (== null) does not work for undefined objects. thanks...more >>

Hi all, Langage : .NET Framework : 1.1 OS: Win XP 2000 Pro I have this regex : ^*FOO([1-9]|1[0-3]) Which must to match with : 01_FOO1, 01_FOO10, 01_FOO13 and not to 01_FOO14, 01_FOO0 But this regex match with 01_FOO1 and 01_FOO14, but if i need to 01_FOO14 ( which it'snt in the w...more >>

Hi, I'm searching for a good pattern for the following problem: In a large object tree, all object implement a property called IsDirty. That flag is set when a property is modified. If a child object is dirty, the parent object must return IsDirty = true as well. This works. I now want ...more >>

I have a datagrid that has a column called "Match". The only two values available for this recordset column is a string value of "YES" or "NO". If the value is "NO" then I need the font color to be red, else I need the font color to be blue. Thanks in advance for any help....more >>

Did anyone ever use texts in ChartFX that contain chars like '+' or '-' as axis labels. If i set the text for a label (e.g. 'KK 1+') i get '+ KK 1' printed in the chart. It doesn't help to use different formatting options for the labels. Any help would be highly appreciated;) Hans ...more >>

Hi, I'd like to run my WinForms application through a series of tests and determine where I can optimize my code. Is there an easy way for a brother to tell which methods were called most frequently, or more importantly, which methods took the largest fraction of CPU time to execute? Th...more >>

what is satellite assembly?...more >>

I've got an MS Access database with around 20 or so tables, all of them linked by foreign keys with enforced referential integrity. Using oledbdataadapter, I find that I have to read each table individually into a dataset, and then build each relation manually, which is quite tedious. Also...more >>

I'm trying to navigate inside an XML file that has a very simple namespace, But when I'm using the name space a get nothing (Count == 0) when I do SelectNodes() or SelectSingleNode() (null). When I remove the namespace from the XML file and from the code --> the Select is successful but I do ...more >>

Hi, Currently I'm using System.Threading.Timer to perform some tasks periodically, lets say every minute. How can we disable this timer(System.Threading.Timer) so that the time spent in the callback method is not counted. Do we have an equivalent of System.Timers.Time.Ena...more >>

Does C#2.0 support optional parameters like VB.NET: Function MyFunction(Optional ByVal isCenter As Boolean = False) ...more >>

Hello, Can anyone please help me finding a good way to develop a c# winforms application client for a pre-developed windows service? Should I use wse2 with tcp protocol? Bu I still have win98 clients. mmm.. Please help. Thanks, Moty. ...more >>

Hi, Is it possible to perform a swicth statement based on a range of values ? eg. switch(Answer) case : 0 - 4 : do something; break; case : 5 : do something else break; Grateful for any help ...more >>

I want to remove all space in a string; I use : sMyString="a b c"; sMyString=sMyString.Replace(' ',null); But it fail when compiling. How can I do that? ...more >>

Hi, when I run my c# program I get this error: An unhandled exception of type 'System.IO.FileNotFoundException' occurred in mscorlib.dll. Additional information: File or assembly ASolutions.Directory.Service or one of its dependencies was not found. Great... but how do I find out exactly ...more >>

Hi, I have a Sorted List that has 9 key/value pairs. I am trying to take one of the key/value pairs and store the value of that key into a string variable. However, the value that actually gets inserted into the variable is "System. String[]" and I don't understand what happened to my original...more >>

Dear all, I created a C# project. But there is a module that was created by C++ .NET (7.0), this module will load structure file and get information from that file. I heard that .NET environment support the mechanism that I can call from C# those funtions in C++ module ? Thank you alo. ...more >>

Hi, What is vbCrLf in C#? ...more >>

Hi, Does anyone have a link to an article or resource that explains how to = write a blog? Thanks. Mike...more >>

Does any know how can I fit my report to a Receipt Printer (dot matrix)? Is there any special sequence code to control the line? Any namespace provide this functionality? Cheers, Kids ...more >>

How can I change controls scrollbars appearance? I need create my own scrollbar for a listview control. Thanks. Victor. ...more >>

Hi everyone, I would like to add a new designer verb to DataGrid's menu, next to the "Auto Format". So, I inherited a DataGrid and I made a new designer for MyDataGrid hoping everything is gonna be alright. Now I have a new designer verb but "Auto Format" is gone. I was thinking that base Data...more >>

Dear all, When I add one row in my listview (type : details), I want to set it as selected. How could I do this ? Thank you a lot. ...more >>