C# / C Sharp Forum

Given: public class MyClass { private MyClass() {} static MyClass() { //.. }

This is very strange. Say I have code like this. I am simply looping through a collection object in a foreach loop. Course course = new Course(); foreach(Student s in course.Students) { Console.WriteLine(s.StudentID); }

How can I print only one record in particular from a table in a crystal reports report? Thank you

I am calling a PVCS DLL function from C#. According to the documentation, I can pass NULL to any output parameter that I do not want to receive data back for. How do I do this? Every thing I've tried results in a compiler error. TIA: Bucky Pollard My declaration is below. I am only looking for one piece of information, so ultimately I'd...

I have a UserControl that executes a method in its constructor. The method contains client/server code which populates a ComboBox in the UserControl. I have a few problems with this: 1) The constructor code in question will throw an exception in the designer because the server is not running. I can wrap the code with an exception handler,...

I am trying to set a date in a DateTime variable that I get from a user: DateTime theDate; theDate = "08-15-05"; This gives me an error: Cannot implicitly convert type 'string' to 'System.DateTime' How do I set it?

I´d like to ensure that the user that will connect to my program is tthe same as authenticated in my windows. Ex: I have user login frame and i want to ensure that the user name , login and domain are the same logged in the local computer. Understand?? Thanks

Is it possible to display pictures in the checked list boxes on the Windows forms? If yes, then how? If no, what are the alternatives? Thank

How do you test if something is null or not defined? I have some data that I am looking at in the debugger and some of the data is showing as null and some as nothing. For nulls, I would do something like if (sLine == null)... How do I test for not defined?

A have a set of bytes with values in a range from 128 - 255 (Each bit of each byte represents some device status). This set of bytes needs to be passed into an SNMP tool in which the input type is a string. For bytes in the 0 -127 range, I was using: string temp = Encoding.ASCII.GetString(BITResults, 0, BITResults.Length); But this...

I´d like to ensure that the user that will connect to my program is tthe same as authenticated in my windows. Ex: I have user login frame and i want to ensure that the user name , login and domain are the same logged in the local computer. Understand?? Thanks

I am starting a new project and I always and looking for a better way to skin a cat. Anyway, I am interested in seeing how different people have implemented an N-Tier type architecture (using business objects) for their applications... The mains things I am interested in seeing is how you have setup each tier to talk to each other, how the...

I have a copyfile x y and built this to a exe-file.' When I run the exe-file built in the bin-directory and copy it to other machines I get an errormessage concerning security policy. I don't need a setup file for application, its just a simple file copying from x y. How can I solve this problem without using VB6? reidarT

hi guys, I have a query about c# event handling that should be obvious I am sure - but I am confused :-) Lets say I have two classes. One is a user control with a tabcontrol on it The other is a user control with a treeview on it. Now, both of these controls are placed on a form. Both classes raise events e.g. when the tab is changed...

How can i get the system configuration of Client's Machine Like infoemation about Hard disk, RAM...

Hi Group Could you please explain to me what's the difference between Chars.IsDigit and Chars.IsNumber? Regards,

Hi All, I'm trying to implement a Knowledge Base article (http://support.microsoft.com/?kbid=174211) in C# to use SENT_REPRESENTING Properties. But I'm unable to set the PropsetID of the Fields.Add. I keep getting and E_INVALIDARG error. field=(MAPI.Field)fields.Add( String.Empty, MAPI.CdoFieldType.CdoEmpty,ae.Type,

Hello, is it possible to merge cells in a datagrid ? In the MS Flexgrid it was possible if cells have the same content. In the datarid i did not found any corresponding function. Regards Peter

Hi, I would like to know how I can use the settings and the resources in C# (like My.Settings in VB). Thanks a lot for your help. Mike.

Ok I need to send e-mail from my application. I had some code working but now several of the e-mail system are requesting security that I don't support. Mostly I'm getting sick of fighting this battle. 1) Can anyone recommend a add-on for sending e-mail with security... Seem "STARTTLS" is my latest problem. I found easy mail but 750 is a...

Could someone explain, Caching. I understand Caching as simply saving a copy of something that is unlikely to change and to which you frequently refer as opposed to retrieving a fresh copy every time... like throwing something into Application in ASP3. Now that Iam all "up to date" everyone wants to Cache everything because its "good...

I'm looking for a basic example that shows how to bind object properties to a datagrid (e.g., objects are stored in a collection, and the grid should show one object per row). TIA -- Tony M.

Hi, I am converting an existing native C++ program making heavy use of STL to C#2.0 with STL usage replaced by the new generic collections. The conversion has gone well to the point where I am replacing an STL map instance by a System.Collections.Generic.SortedDictionary instance. In need the collection to be ordered, and to have...

Hello, I have a chart object which returns the chart created as a BitMap object. I want to render this Bitmap object as an image in a WebPart iam developing. Can anyone please tell me how to go about doing it.

HI guys, In one of my columns in the grid, i want to set the width of the grid to the widest entry in the column when i click on the column seperator. How can i calcualte the column width if i know the lenght of the longest string?