Hi i tried all but still its not connecting I have WindowsXP, and SQL2000 installed on it with WindowsNT integrated security When i tried with ConnectionString to connect Northwind it works fine but when i Trying it with other Database which i have created for learning it wont connect and it g...more >>

Hi, Is there any product in the market that facilitate SmartClient UI testing? I am looking for a product that possibly intigrates with NUnit and I can record WinForm UI senarios and it tests the senarios automatically. Thanks, Alan ...more >>

Hi I am stucked at Connection with Database in My .Net program When i connect with Northwind SQL db it connects easily no errors but when i try to connect with my own created Database it gives me error and it not opening connection at all error is Loging Failed with data base name........... ...more >>

Hi folks, Having this code: if(User.IsInRole("ConfiguredRole")) { ApplyRule(); } should it works right ? but doesn't with me...when i set User. (dot) i just have some properties and methods where the method IsInRole() is not showing...How do i do ? Thanks in advance Daniel ...more >>

Hi! Does anybody know any articles / code exampels / bloggs etc or does in any other way have tips on working with Excel spreedsheets trough .NET? I can not use the Excel.dll it must all take place in managed code... Regards /Oscar ...more >>

Is there any way to cast a base class object to a derived class datatype when the derived class adds no new fields nor alters the object allocation in any way? The scenario would be where you want to extend a base class by adding only methods and properties, however, only base class objects...more >>

I've been perf testing an application of mine and I've noticed that there are a lot (and I mean A LOT -- megabytes and megabytes of 'em) System.String instances being created. I've done some analysis and I'm led to believe (but can't yet quantitatively establish as fact) that the two basic ...more >>

Hi All, I am very new to C# as well as to SQL. I need to write an application which is connecting to SQL DB and getting all the user's tables and after create a dataset for all the tables in the database and create an XML document with all the info. The problem is, that I can do this i...more >>

please help me to create dll from a class in c#.net and use it in other class...more >>

Hola I have this customvalidator <asp:CustomValidator id="ComboValidator" runat="server" ErrorMessage="CustomValidator" /> (The OnServerValidate method is set in Events windows of the Control Property) THIS IS THE METHOD private void ValidarCombo(object sender, ServerValidateEventArgs...more >>

I have the following URL: http://citeseer.ist.psu.edu/rd/55811103,653,1,0.25,Download/http://citeseer.ist.psu.edu/cache/papers/cs/7145/http:zSzzSzwww.stanford.eduzSzclasszSzcs343zSzpszSzpathprof.pdf/ball96efficient.pdf Creating System.Uri with the above URL: Uri uri = new Uri(aboveURL) re...more >>

public class stringtemp { String k ; public stringtemp(ref String inp) { k = inp ; } public void Change() { k = k.Remove(0, 1) ; } }; String stringtochange = new String("Hello".ToCharArray()) ; stringtemp t = new stringtemp(ref stringtochange) ; t.Ch...more >>

Hi everyone, Does anyone know a free ASP/ASP.NET Blog software? I need to install it in our company. Thank you Maz. ...more >>

I'm using the following code above a method signature:: [Obsolete("Will be removed in near future.")] I don't see where this outputs anything for the builds. I have looked at the Task List window and selected to see "All" but the above comments do not show. Nothing about it in the output w...more >>

I need to process a specific Control in a Web Page's Controls collection. I do know the ID of the control. I simply need to pass a reference to it to another method. The following code works - but I suspect it's overly complicated for what I'm trying to do. So, what is a simpler way to ge...more >>

If I am an running as an Administrator, how can I add 'log on as batch job' privilege to another user (after first determining that he does not have this privilege using C# code? -- Thanks in advance, Les Caudle...more >>

Hello all! I need to display a list of names similar to a spell checker where the list is the closest match to the name entered. Not too sure where to begin with this - any suggestions? Thanks, Joe ...more >>

I am trying to crawl the web using the following code snippet. HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url); req.UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Win32)"; .... By default, the req.AllowAutoRedirect is true and MaximumAutomaticRedirections is 50. Whe...more >>

I have a class (very simple int type data, as shown below) that I have serialized to disk. In my next version of the program, I have added some variables to that class. I'm expecting that this will break the serialization when I try to load the object from disk. I know there is something ...more >>

Hi All: I tried to uninstall a runtime security package from a user's machine. Based on document I have read, all I need to do is right click on MSI file, and choose uninstall from menu. After I chose uninstall, the package seemed to uninstall itself. But when open .NET configuration 1.1, I ...more >>

Hi, We have an ASP.NET site,and a data base which contains different types of XML documents I would like to ask which technology is best to use for searching XML documents. My concern is that a 'simple' search on the XML document can retrieve wrong results if the search will ignore the fact...more >>

Hi there, Can anyone point out any really obvious flaws in the methodology below to determine the likely encoding of a file, please? I know the number of types of encoding is small, but that is only because the possibilities I need to work with is a small list. > private string determineF...more >>

Hello, I have developed a small win32 dll in C++ and exported a function from it using a DEF file. I'm using the DllImport attribute to import this function. I've tested the function in a vsc++ console app, (just the code not as a dll), and it works as expected. However, I'm having some trouble ...more >>

Hi All, What is the diff. between a singleton class and a static class in C#?...more >>

Does anybody know the odds of generating a duplicate guid? -- Jay Douglas http://jaydouglas.com ...more >>

I'm trying to access a Sybase database using Visual .net C# using the code below. I've added the Sybase data provider to the references (DDTek.Sybase) and added them to the program usage. Howver it fails to connect and gives an Unhandled exception of type "DDTek.Sybase.SybaseException' occured...more >>

i have a C# class library full of objects. the immediate need was to instantiate these objects in classic ASP, so i inherit ServicedComponent and build the project with COM Interop set to true. and the objects work in classic ASP just fine. however, we are slowly introducing ASP.NET code, an...more >>

Hi! When developing in the Studio IDE you can hide for example the property by clicking the pin. The property sheet autohides when the mouse leaves the area. Is there such component for C#? Also, in wich you can place any other component such a treeview for example? Regards Martin Arv...more >>

I have a detailed view listbox with 4 colums. I have found out a way to add rows, but is this the correct way of doing this? Where do I put a uniqe value to a row. (listViewItem.Tag = UniqeRowID) This is NOT the index number, but my own ID. string[] s=new string[10]; // extra spare s[0] = "...more >>

To minimize database calls, I would like to have a single stored procedure return all the data necessary to display on my page. This information is related from several different tables and what I would like to do is to match the information loaded into a DataSet with the information in the dat...more >>

Hi, I used xsd.exe to generate a *.xsd file from the *.xml-File and then I created a typed DataSet in VisualStudio 2003 But now I have problems to read the data from the DataSet. <?xml version=3D"1.0" encoding=3D"UTF-8"?> <Message id=3D"100199" version=3D"1.9" something=3D"1"> <Jobs id=...more >>

i need to use javascript in the following 2 situations but dont know how and thanks in advance: 1. i have 2 textboxes and they usually contain the same information. when the user starts entering data in the 1st textbox, the data should also appear in the 2nd textbox. if needed, the user ca...more >>

Hi everybody, I want to automate an Excel97 application using C#. I use the excel8.olb file as COM interface. How can I check the country code of the installed Excel application? I know that there is a method "LanguageSettings.get_LanguageID()", but it works with Excel XP. regards, Maik...more >>

Hi, I am using C# and IIS for a application. I receive a request message, process it then send a response back to my client. The problem I have, when I call Response.Write the message sent to my client is a very large message (I am guessing IIS adds it on). Is there some way I send the data ...more >>

is there a way to insert a google page into my application and parse it into xml without using the google api kit? ...more >>

Hi All, I want to convert array into string. That is, I have one character array with number of characters like : arr[0]='0' arr[1]='5' arr[2]='/' arr[3]='1' arr[4]='2' arr[5]='/' arr[6]='2' arr[7]='0' arr[8]='0' arr[9]='5' Iwant to store these values into string object. So that it b...more >>

Hi, I m developing a Windows application in which i want to create a context menu, having variable number of submenus depending on the the list in the file. I m able to create these submenus at runtime by reading the file. But the problem is that there is no fixed count of submenus and becaz of...more >>

hi, I want to extend System.Net.Sockets.ProtocolType to IPinIP protocol, how can i do that. Do i have to make new class or enum stuct for this type ? regards...more >>

Hello How do we sort out a tab delimited file into an array ? Say a user opies the contents of the tab delimited file into memory (clipboard) I want my app to put it into an array and carry out some operation. Is there any code sample I could look at ? Thanks ...more >>

Hello all, I'm a complete newbie when it comes to programming and I want to start learning C#. I was wondering if someone could tell me which one to start learning. VS 2003 or VS 2005 beta2. How different are they? Thanks in advance. ...more >>

Hello all, I have the following files; webForm1.aspx.cs webform1.aspx a.xsd a.xsx a.cs I want to refer the class a.cs from webForm1.aspx.cs . But I dont know how to link them together . Can some one plese help me here Thanks in advance. *** Sent via Developersdex http://www.develop...more >>

I am building my html page in .net. After i click a button, i want an outline/border to appear around my button. I have found the HtmlInputImage.Border property and although it prints out (border="5") in the html when i view source, it fails to show anything in the browser. What am I failing...more >>

Hi. I have a question from newby in C#. I want to use a dataGrid without any DB. Is it possible? How to dispaly in dataGrid array of strings? How to add columns? Maybe there is a Grid component available? P.S. I use a MS Visual Studio.Net...more >>

Apart from using task manager to kill the process... is there a way I can restart my application? It's for a website hosted on another server, to which I don't have admin rights. I could always contact technical support perhaps, but thought that's a lot of hassle. Thanks Calvin ...more >>

Hi I want to synchronize two threads. One thread is doing some time-expensive calculation and when it needs aditional data for calculation, it has to acquire data from data object. The problem is that methods in data object must execute in main thread. Because of this, I can't use Lock() or...more >>

Hi all I have an automated application, that runs in the middle of the night. If certain 'non system' errors occur (things like malformed files, missing files etc..), I send an automatic Email and write a record to the database. This is handled in a class. When these errors occur, once Em...more >>

Hello, I'm looking for sample code in C# that will estimate the transfer time for a file between two machines (taking into account bandwidth and latency). -- Regards, CF ...more >>

Hi there when working with database connections in C# is there a concept of "auto commit"? For instance, if I obtain a database connection in java I can set the auto-commit state to true or false. Is there something similar in C#, or how do I handle this - do I always have to start and e...more >>

public bool Logon() { if (db!=null) { Login lg = new Login (db); lg.ShowDialog (); UserName = lg.UserName ; DomainName = lg.DomainName ; return true; } else return false; } I'm using this code to get UserName and DomainName from a dialog. It is a dll fil...more >>

hi, How do i aviod the StackOverflowException? or how do i increase it's limits? Regards ...more >>

Hi, I have the following code: class A { } class B : A { } and a method of another class which is like so: void MethodName(ref A blah) { blah.Whatever = 0; } I'm calling the method with the subclass B: B subclass = new B(); MethodName(ref subclass); However, I'm gett...more >>

I have a project that uses TChart assembly. I don't think that the assembly's the problem though. If I compile in debug mode with CopyLocal set to true, the solution builds perfectly. In Release mode however, with CopyLocal property set to true, every mention of the TeeChart components gives...more >>