Hi all, I have a logical oop problem; I have an interface, and derived classes The interface represents a general printer, and each class is a specific printer The question is what is the correct way to get a new instance of a printer by its name? Where should the getPrinterObjec...more >>

I was wondering how you can place a connection string to a database in a windows application in one place so that it can be referenced easily from anyplace in the code where a database connection is needed. I want to be able to access the string value after it has been deployed so I can chang...more >>

Application.Exit() isn't having the effect that I would like. I thought it would cause the app to terminate regardless of what was going on. What's the best scenario for shutting down an app? ...more >>

For a Windows Form combobox: I want to store an object in the Items collection of a combobox, but I want the combo box to display a single string field (property) of that object. Can that be done? ...more >>

I have a datagrid that is bound to a DataView, and it shows events and the times that event started ("StartTime") and stopped ("EndTime"). If the event has started but hasn't finished, then "EndTime" is null. When multiple lines are displayed in the datagrid, if I sort by EndTime, then the n...more >>

Why does HttpWebResponse.CharacterSet always return ISO-8859-1? I am accessing a Chinese Web site (http://cn.yahoo.com) -- View Source in IE shows the character set to be "gb2312", but the HttpWebResponse shows it to be ISO-8859-1. Websites like www.cnn.com also show the character set to IS...more >>

Is there a way to detect how many, and what drive letters the CD/DVD drives on a system are? Any help is greatly appreciated. ...more >>

Hi all: I am trying to update an Access table from an ASP.NET page and am getting a "syntax error" statement back, but I can't for the life of me see what is wrong with the string shown below. All the data items in Access are set to Text. INSERT INTO test( t1, t2, t3, t4, t5 ) VALUES( 't...more >>

Hi, If I will distribute some assembly .DLL files together with a demo app including source code of this demo app: What is needed to do in a Setup Project in Visual Studio, in order to register those controls in the Toolbox of Visual Studio .NET in the target machine ? Thanks Luis A....more >>

Remove a language specific chars from a string? To make a "aaa" from "a¶aæaó" string... ...more >>

Hello, I'm having problems with the Folder Browser control. When I call the = ShowDialog() function, the Dialog is shown but only with the buttons, I = can not see the ListView with the folders. Know somebody this error? = how can I fix it? Thanks in advance for your answers KW...more >>

Sorry to post an off-topic issue here, but the VSS NG is absolutely dead. I have some files in VSS with the .iss extention. When I right click on the .iss file in VSS and select Edit, I'd like a certain application to come up (InnoSetup in this case). InnoSetup comes up when I double-clic...more >>

Im having a rather annoying SQL related problem with SELECT statemnets and UK dates The entire application is globalised to culture="en-GB" and uiCulture="en-GB", and the access database is displaying and accepting dates in UK format. For some reason the statement is selecting the record...more >>

Hi, my user default language is hebrew but in some cases i want that the default language in specific textBox will be english (i mean that when the user will hit the 'T' key he will get a T in the textBox and not the parallel letter in hebrew) what is the best way to do it? i can always che...more >>

Hi all I'm using the "Merge" method for datasets to append data from an external excel spreadsheet into a Sql Server Table The problem is that "Merge" method copies over the current RowState (UNCHANGED)of the excel spreadsheet rows, so when I try to update the data adapter for Sql Server, i...more >>

Hello, First let me tell you that I'm very new to C# and learning as I go. I'm trying to write a client application to communicate with a server (that I didn't write). Each message from the server is on one line (\r\n at end) and is formed as [Message] [Optional Argument1] [Optional Argu...more >>

Hi, Is it possible in datagrid to assign a hidden tag for each row identify the AutoNumber ID from the database instead of displaying it as a column? Best Regards, Jassim Rahma *** Sent via Developersdex http://www.developersdex.com ***...more >>

Hi, all. I have been asked to write an application that would keep track on archive data on CDs and DVDs. I will basically need a line for each file. I have started out by saving a "dir" to a text file and parsing the file, but it seems there must be a better way to do this. Is there a...more >>

I'd like suggestions on what you consider a great environment for about five developers that are on location. Being on location does present certain problems in setting up the environment. I'm interested in ways developers can keep tabs on the overall project progress and individual progress o...more >>

I need to bcp into Sybase servers different files into different tables simultaneasly. Is the following architecture thread safe? 1st Have a Helper Class that will take as a parameter the bcpCmd so we can pass as paremeter to the thread It looks like this public class WorkToBeDone { string...more >>

Hi, I'm trying to save a bitmap file so I can print it later. I have Image.Save("sImage.bmp",System.Drawing.Imaging.ImageFormat.Bmp); The file sImage.bmp shows up in the bin\debug folder but when I try to print it (or open it), it's completely black. I know Image is the correct picture ...more >>

Hi, I'm writing a graphical program in which I let shapes (rectangles, regions, ...) move around. how can I detect if two shapes 'collide' ? thanks Chris ********************************************************************** Sent via Fuzzy Software @ http://www.fuzzysoftware.com/ Comp...more >>

Hello, i'm having a problem with the following code: if (m_is_it_exist==1) // if the weapon is in the mlay and can be sold { PrintCustShtarBuy pd=new PrintCustShtarBuy(this.mf,this); PrintPreviewDialog dlg = new PrintPreviewDialog() ; dlg.Document = pd; ...more >>

I want to create several forms in my C# program so that when people click on options in the menu bar (such as Tools -> Options) it brings up a new form dialog window for them to change certain settings of the program. In Visual C# (EE Beta) I am using the "Windows Form" template under Project ...more >>

Hi, is there anyway of canceling the BeginConnect operation on a socket? I would like my user to be able to hit a button to abort the connection attempt - i notice the sockets class does not provide an explicit cancel instruction. Is there any way i can do this? Ideally i dont want to use thr...more >>

i placed an html button on a C# asp.net webform and placed the following html code in the html/aspx file: <TD style="WIDTH: 147px"><INPUT onclick="history.go(1)" type="button" value="Go Back"></TD> but now i have to use a variable instead of "1" bec. the no. of pages to go back to ...more >>

Sorry, is there any way that after we draw some line or graphics on the windows form, after the windows minimized, the line and graphics won't dissappear? I'm appreciate for any reply, thank you...more >>

Hi, guys, If I simply do a double d = 2.0 ,and then s=d.ToString() , it will trim the .0 off and return me 2, is there a good way to keep .0 and return me 2.0. Thanks,...more >>

How is it possible to sort an array of ints using a for loop? I recently tried the suggestion a newsgroup user offered on how to perform this, but find that it doesn't work. He suggested the code below: int[] list = new int[5]{12,1,105,99,66}; int length = list.GetLength(0)-1; for (int i...more >>

Hi, I need to develop a control which runs within Internet Explorer. In Visual Basic 6.0 we used ActiveX controls. Is there an alternate or an improved way of developing these type of controls in C#.Net? Thanks, Ravi...more >>

given the following 2 functions: public bool AnOtherSimpleTest1(string aString) { StringBuilder strB1 = new StringBuilder(); StringBuilder strB2 = new StringBuilder(); strB1.Append(aString); strB2.Append(aString); return strB1.Equals(strB2); } public bool AnOtherSimpleTest2(string a...more >>

Given a set of intervals {i1, i2, i3, ...} a list is produced; the base items (0) are placed one at a time into the stream and after the ix one a interval item (1, 2, 3, etc) of the correct type is created. When intervals intersect the order is kept (most frequent first). For example, given th...more >>

Can some one help me in locating the list of possible errors that could be thrown out of C#? -- Mohan...more >>

giving the 2 methods: public bool SimpleBitArrayTest1(int length, int order) { BitArray array1 = new BitArray(length); BitArray array2 = new BitArray(length); array1[order] = true; array2[order] = true; return array1.Equals(array2); } public bool SimpleBitArrayTest2(int length, int ...more >>

Hi all, I have created 2 tables in sql database and join these 2 tables before assign the result to the dataset, and display the result in datagrid. Everything is fine up to this point. The problem come up when I want to delete one of rows in datagrid and update the change to the correspondin...more >>

Hi, I am trying to create an assembly to store compiled regular expressions. I need to give this assembly a strong name. However, I can't seem to get my use of the CustomAttributeBuilder class right. Here's what I'm doing: // The regular expression infos = new RegexCompilationInfo[...more >>

Evert: verb. Turn inside out; turn the inner surface of outward. The project I'm working on involves seven or eight reports. They vary from simple ("print this field here, that there, with a header and footer") to more complex ("put field A on the left unless FieldB is nonzero, in which ca...more >>

My application is using an identity field of an SQL Server. Identity field called "ID" is a Primary Key too. The problem is when i add some record to the table SQL Server is assigning it sime new id. But thouse is not returned into a Data Table so the id number on SQL Server is not equal thouse...more >>

Hello ! I'm trying to combine an external (not part of the panel)=20 vertical scrollbar (VScrollBar) with a panel in order to=20 scroll the content of the panel vertically using the external=20 VScrollbar. I can't set the "AutoScroll"-property to true and=20 then use the generated scrollbars ...more >>

Hi I have a repeater on the page which is displaying data from the database correctly. My question is how can I modify the following code to add an increasing number value before the database record: <asp:Repeater id="rptPoint" runat="server"> <ItemTemplate> <%# DataBinder.Eval...more >>

Where to download ODBC.NET ? I searched by google. but all linkages are expired. Could you please give me an available link ? Thanks Charles Shao :-) ...more >>