Hey guys, I've been fighting with trying to use RSA to encrypt data in Java and decrypt the data in C#. I've been able to create an X.509 certificate using makecert and successfully access it in C# using WSE. After exporting from certmgr as a CER, I can use it in Java using keytool. My pr...more >>

I decided to take a class at the local college here and I'm a little confused about something. int age = 5; Console.WriteLine("You are " + age + " years old"); Previously, I had been reading Learning C# and I learned to type Console.WriteLine('You are {0} years old",age); The book I'...more >>

Is it possible to use the "search in files" feature from Windows? Any API-calls? Thanks a lot for information, timtos. ...more >>

I have a dataset-bound datagrid and, when the user adds a row to the datagrid and fills it with the data, I'd like to be able to update the dataset (with the newly-added row) and then the database table (also with the newly-added row). Normally I'd do it with a DataAdapter method call but the ...more >>

when i run this code, i get QueryInterface for interface SqlDmo.Namelist failed. Dim sqlApp As New SQLDMO.Application Dim NL As SQLDMO.NameList Set NL = sqlApp.ListAvailableSQLServers For index = 1 To NL.Count cboServers.AddItem NL.Item(index) Next What could be the error...more >>

Hey All, I included my Class Library project with my application project and cannot manage to get the debugger to 'step into' my library source. Any ideas? Thanks, Roland ...more >>

Hi, I could split only by a character. How do i split by a string. How can i do something like this. e.g., somestring.Split("name"); Thanks Reb...more >>

Hello, I'm trying to make a program what can let me know when a USB device is added or removed from a system. If anyone has any ideas or help that would be great! Thanks in advnace, Jack ...more >>

How can I write/read a structure into a binary file? Thanks Durand ...more >>

Hi, I'm really get confused on this issue. Hope that someone can help me get clear after this post. Take the class System.Web.Caching.Cache for example. In the documentation, there's a property called Item and the description is: "Gets or sets the cache item at the specified key. In C#, t...more >>

This is a question from a confused newbe.I have an oldDbCommand component called oleDbCmdAddDemoReq and an oldDbConnection called oleDbConDemoReq on a web form. I have the following code: oleDbConDemoReq.Open(); oleDbCmdAddDemoReq.ExecuteNonQuery(); oleDbConDemoReq.Close(); I get this erro...more >>

I have written Delphi for years. I am finding it harder and harder to find jobs. I am considering biting the bullet and start to learn .Net and C#. But before I invest this time I was wondering how difficult it is to find work. Is it just the recession or is it Delphi? I don't want to spend ...more >>

i programed a java webservice, and a client by MS SOAP Toolkit. it work well. Howerver, a .net client cann't access the java webservice and report the following exception: unhandled exception£º System.Net.WebException: resquest failed because of http status code 405£ºMethod not allowed¡£ ...more >>

Hi, When I run a class (that logs events to the event log) on my local machine it works fine, yet when I run it on a development web server nothing happens (no events get logged in Event Log). eg: System.Diagnostics.EventLog.WriteEntry (sSource, sMessage, iLevel); I have the feeling that ...more >>

Hi all, Is there any examples or tutorials out there on making a component that manages an Xml docuemnts. As far as SELECTING DELETING UPDATING and INSERTING data to and from. Similar to querying a database through sql. I am looking to create a component to wrap up some of the coding nee...more >>

Howdy! Given that: Type type = Type.GetType("System.Windows.Forms.Button"); Question: How do I obtain a Button object by only knowing the type object. In other words, how do I fire the constructor of a type object (Button(), in this case) ??? Thank you and God bless. _____ Marco...more >>

There is probably a simple answer to this one. I've come from a VB6 background, where I've used the Open event on a form to load data structures, bind controls, etc. Unless I'm overlooking the obvious, I can't see how/where this is done in C#. I have this line inside main() : Application.Ru...more >>

Hi NG, anybody has any C# code for a rectangle with round edges? Thank you very much Rudi ...more >>

Hi all, I am contructing a class derived of DataGridTextBoxColumn with very much modification. However, I need to see the code of base class to know what should I in some inherited methods. Where do I find the source of the class? Thanks a lot André ...more >>

Why isn't there a numberBox Windows Form control like a textbox control but for numeric (float) input? There doesn't seem to be any easy or visual solution to this VERY SIMPLE ISSUE in either version of Visual Studio. I simply wanted to create a Windows app where a user could enter miles ...more >>

This is what I want to do: int currentWord = 0; currentWord++; textBoxOtherLang.Text = orginalLanguage[currentWord]; But, I get a "Cannot implictly convert type 'char' to 'string'" error when trying to do it. How do I fix it? Thanks! ================ Davor Babic´ ---------------- d...more >>

Is there any way to copy an object which could be e.g. a panel containing several controls? Thanks...more >>

Guys, How can I get the path to the current executable at run time? I think the VB6 equivalent is App.Path. Thanks for your help. FireStarter ...more >>

Ok, this is what I want to do: class test { public static void crap1() { // This won't work firstInt = 6; } public static void crap2() { // Nor will this firstInt = 2; } int firstInt; ] So, basically, how should I write that so that both of them can use 'firstInt'?...more >>

Hello, I'm trying to get some ideas on this. If you were going to have to print a datagrid control (about 20 columns of data), how would you do it. I'm trying to figure out how to get it to look like a spreadsheet when it prints. How do you hook this up to a button? I'm totally lost on this...a...more >>

Hi, I was wondering if anyone could suggest Websites with usable source code on them...I've tried PlanetSourceCode.com but i've found the Website flakey so am looking for another one to use. Thanks, Colin ...more >>

Is there an method available to do it ? ...more >>

I am wanting to create my own "Item" for use in the "File|Add New Item" dialog window. Does anyone know of any resources which would point me in the right direction? FYI: The item I want to create is an option to add a StronglyTypedCollection class. Thanks. Mark Sanders Lowrance Electro...more >>

Hello, I want to install an application as a Windows Service on a remote computer. I know the procedure to install a windows service on a local computer by using installutil.exe. How can I install a Windows Service on a remote computer programmatically through C#. Regards, Bhavya Shah ...more >>

I can add a systray icon in normal windows application... but when i do it in windows service, the systray icon just don't show up is that because i don't have any "component" to contain the systray icon? please give direction... thx ...more >>

Hi folks Does anyone know how to add an object of type ContactItem to an _Items list? _Items provides an add() method which, however, only accepts a Variant as parameter... Here's what I do: - logon to Exchange - find default folder (public folder) - navigate to the specific folder (contains...more >>

hi, how to do this using C#. open "LPT1" for output as #1 print #1, "some text here..." print #1, "another text here..." close #1 -- gb ...more >>

Hi All, Depending on the URL we want to display different content in the page. I am not sure how to check the URL of the page (for ex. www.domainname.com/movies/default.aspx?id=34) Please let me know how to check that info. If someone has got code, please send it. Thanks, Anil ...more >>

Hi All, we have hundreds of images on our server. They are shown on the webpage with the unique id. So, if the image is available then we want to show the image. If not available then, we want to display a default image. Please let me know how to do it. And if someone has got code, please s...more >>

In VB6 you could do a SELECT CASE that would evaluate each case for truth and execute those statements, such as: SELECT CASE True case x > y: dosomestuff() case x = 5: dosomestuff() case y > x: dosomestuff() END SELECT such that if x were 5 and y were 3, it would execute both...more >>

I'm trying to find out how to create a drop down that lists the Server Names on the network. Much like Sql Server does when choosing some kind of connection, it seems to autodetect them, so I'm assuming I can replicate this. Any body direct me on how to do that? Jason ...more >>

Hi C# & .NET detectives, can you help with two problems I've encountered lately? 1) These seem equivalent to me but one fails and the other doesn't. This fails with "type or namespace 'Security' could not be found" message: //----------- using System; using System.Threading; //...late...more >>

I have this scenario. public class A { public int numbers; public class A() { } public void SomeMethod() { B b = new B(); b.Check(); } } public class B { public class B() { } public boolCheck(A a); { if(a.numbers > 10) return t...more >>

Hi, I am coding in C# and working with COM objects that were written in Java. The product documentation for the Java stuff states that the MS JVM does not support interface inheritance - and then the documentation goes on to give VB6 examples of how to get to a base interface given a c...more >>

Does anyone know what/which functions are included in this library (VBA.dll)? It has been added to my project and is causing me problem since I can't add it to the gac. I would like to find out which of the functions I'm using and hopefully I'll be able to do a workaround. Another solution...more >>

I am trying to use the "System.Windows.Forms.SendKeys" class for triggering the Ctrl+P key. Syntax: System.Windows.Forms.SendKeys.Send("^(P)"); This is not working ..what could be the reason..? Situation: I have a menu in my form, which is given a short key "Ctrl+P", now when the form g...more >>

First off, this is a VB application, but I know you C# are used to working at the lower levels like this, so I'm hoping this is an easy one for you. Then you can continue to feel superior to us VB-types <G> BTW, I am somewhat proficient in C#, but my bosses and coworkers barely know VB, so no, I ...more >>

I have a rich text box that I want to 'insert' into my SQL2K db. But I'm not sure how to handle it. Do I convert it to XML first? Do I place the rich text box in an object then insert it as a binary object? thanks. ...more >>

Hey, i have problems with the COM interop stuff of .NET. I have a COM component with following interface: interface IActionSet { void foo(); } interface IController { void Init( IActionSet* as ); } i added this dll to my .NET project, implemented a C# class which implements IA...more >>

Hi; In .net is there a way to atumatically show links on currently open child forms in one MDI application ? I have found Cascade Tile like commands but could not find a way to automatically add Child windows links under Windows menu. any idea ? Ahmet ...more >>

I have a C# function that calls into a C++ DLL I have placed the DLL in the 'bin' folder of my asp.net project I'm using something like [DllImport("Keycode.dll", EntryPoint="GenerateKey")] However when I try to call the function I'm getting an error 'Unable to Load DLL' Should I specif...more >>

Hello, i have a method1(int i, int j); What is the code to thread it? the Threadstart, just takes a function name, not parameters. TIA ...more >>

I created new bitmap file, bitmapdata, now a want the pixeldata that are in the array bytes[] put into the bmpData, what should I change in the code unsafe? there is something wrong with p[0] = (byte)(bytes[0]); is makes all the pixel in some color.......... // this code will be replace by...more >>

Does somebody know where can I find information about Menu Designer? I make a component and it need to look similar to MainMenu component at design time. It is not inherited from MainMenu ...more >>

I want to create multiple fileSystemWatchers in a Windows Service to constantly watch multiple folders for file creations and then execute certain code based on these actions. The problem is that these directories are not part of the same directory so I cannot use the subfolder flag. The numbe...more >>

Because Rectangle is a value type, I know I can do this: Rectangle rect1, rect2; rect1.Top = 34; rect2 = rect1; //copies members rect1.Top = 46; //does not affect rect2 But what about an object that provides static members, like IQAddress? IQAdress addr1, addr2; addr1 = IPAddress...more >>

When i make an update in my database, the modifications=20 are showing in all TEXTBOX but i can=B4t see the new values=20 in a combobox text. If i close the form and open it again=20 the new values will appear in the combobox text. How can i see the values in a COMBOBOX text after an=20 update ...more >>

Is there any boolean flag set during design time that a UserControl can test to see whether to run code that only works during runtime (because of complicated initialization)? Like this: public class MyControl : UserControl { public MyControl() { InitializeComponent(); ...more >>

Is it available yet? ...more >>

is Microsoft Press's "Inside C#" 2nd Ed. good enough? thx ...more >>

Hi All, I am having a problem setting up input mode for serial communications. (Sorry about the long code post). The following code is what I use to set up my comm port. // Constructor for Form with an AxMSCommLib control on it named "com" public SerialTerm() { // Initialize...more >>

Hi, The old version of my program was written in VB and it was stored on a server but run on several different clients which all had the necessary dll:s installed. Now I would like to use the same approach with my C# program but I can't get it to work. I have created an rwc for the old dll....more >>

Hi; How can we get multiple selections on a datagrid ? There is one property called CurrentRowIndex but it always retrieves last selection. On grid I have lots of selections, all selected using Ctrl key and I need all of them. Any way to get all selections ? Thanks... ...more >>

Does anyone know why, when you remove an element from a hash table (hashForm.Remove(ict)), the count does not get reduced? hashForm.Count ...more >>

Hi all, My requirement is I need to have three different recordsets open at the same time. Traversing through the 3 recordsets, I would check on the data and based on some rules, return an object from my function. Will it be efficient to use a SQLDataReader or a DataSet for this situatio...more >>

Really weird. The ordinary plus/minus works, but not the ones on the numpad?! What I've bound to the datagrid is a DataView with a few columns having numeric values with datatype Int32. (Comming from an SQL Server). The column have a DataGridTextBoxColumn of course, and I found somewhere on th...more >>

I'm having some problems when debugging datasets in C#. During run-time, I arrive at a break point in my code and goto the command window. I type MyDataset.GetXML() The results are a lot of text with \r\n in it and is very hard to read. I have to keep scrolling left and right as the text do...more >>

I would like to access my ini file from C#, but looks like C# doesn't support the Api function, GetPrivateProfileString() which I used to read from an ini file in VS 6. Is there anyway to use this function, or other ways to access an ini file from C#? Thanks....more >>

Context: C# wrapper around Tivoli LDAP C library. I understand that something like "public static unsafe void init(void** LDAPObj)" has to do with a byref call. Question: How do I have to wrap or call this function? Note: the init function is a DllImport with the same parameter(s). ...more >>

I want to create a base form to derive all my forms from. In the base for I want a KeyPress event to fire that when the enter key is pressed it acts like the tab key and moves to the next control. How would I set this up in my base form and how would I set it ip in forms that derive from it. S...more >>

If I want to get the last 4 characters of a string is this the right way to do it? int intCardLength = Convert.ToInt32(strCardNumberUnEnc.Length); strCardNumberUnEnc = strCardNumberUnEnc.Substring(intCardLength - 4, 4); Or is there stuff (Length, Substring) that is zero-indexed that ...more >>

Hi i'm newbie in .NET especially in c#. I must say that even the most simple application created uses a lot of memory (almost 10Mb on 256Mb RAM system), and i really don't know how can i manage this part. Can someone giveme some answers? Thank you....more >>

I get all files from a directory an write it into an array. Then I want get only the file name with file extension without the full path. //code string[] aFilenames; Directory.GetFiles(comandline.GetParameterValue ("sDirectory")); for (int i=0; i < aFilenames.Length; i++) { // here I...more >>

Hello Does C# support use of SAX parser? If yes, what need to be done? Thank you Kam...more >>

Hi I have problem reading the userPassword - Property from an Entry with the person-Schema using Microsoft Dotnet. I use DirectoryServices library and LDAP in my class. The code I used is as following: DirectoryEntry de = new DirectoryEntry,gAllgemein.IBMLDAPServerPathBenutzer,"cn=root","ld...more >>

Hello, I have two machines a server and a workstation, I've installed SQL Server 2000 on the SERVER pc, will I need to all install SQL Server 2000 Client on the workstation machine for me to use the System.Data.SQLClient functions. Can someone point me to any documentation stating this. ...more >>

Hi, Thanks for reading... I am authenticating users in a web app thus: sqlCommand2.Parameters["@username"].Value = txtUserName.Text; sqlConnection1.Open(); string userEmail = (string)sqlCommand2.ExecuteScalar(); sqlConnection1.Close(); Session.Add("userEmail",userEmail); System.Web.Sec...more >>

How do I read the contents of a text file into a string in my program? Thanks, Mike *** Sent via Developersdex http://www.developersdex.com *** Don't just participate in USENET...get rewarded for it!...more >>

How can I convert an Int to a BitArray ? Or How can I format an Int to a binairy string ? Thank's Marc Lefebvre ...more >>

Dear all, UDDI has widely been accepted by the developer community to list and integrate XML web services. Unfortunately UDDI is still viewed as a yellow pages web service directory. This leads to the belief that UDDI can only be used at design time as a look up mechanism. The real value of UD...more >>