I'm sorry for posting this here, but other more relevant groups are a little too quiet. Has anyone out there come up with an effective strategy for using VSS with a development team? IME it is a nightmare trying to manage releases of code. We need one release to share among developers, one ...more >>

I have a method I need to pass an object reference to like this: private void updateSchedule(object obj) { if (obj is ThisObj) { myVar1 = obj.PropertyA myVar2 = objPropertytB } else if (obj is ThatObj) { myVar3 = obj.Property1 myVar4 = obj.Prop...more >>

Hi all, Can any one tell me how to upload file in windows application developed in C#.net. Or can i use method webclient.uploadfile in windows application. Please help me asap. thanks in advance. ...more >>

Hi, I need to integrate the browser with my C# windows application. When I search thru the websites for this,I found SHDocVw.dll is needed for integrating Web browser into c# application.I did'nt found SHDocVw.dll in my system.I am using Visual studio .net 2003 and windows Xp(service pac...more >>

Let's say I have 2 ADO.NET DataTables (tblAuthor and tblBook) within an ADO.NET DataSet (dstPublish). tblAuthor has DataColumns AuthorID and AuthorName, tblBook has DataColumns BookID, BookTitle, AuthorID (assume a book can be written by only one author). tblAuthor --------- ...more >>

Hi, Why do i get the following error? In other projects I have done (what i thought was) the same thing, without compiler complaint :-/ 1: List<MyClass> myClasses = new List<MyClass>(); 2: myClasses.Add(new MyClass(20)); 3: myClasses[0].value = 0; Line 3: Cannot modify the return va...more >>

I have a string array. How can I determine if a string in it? ...more >>

Hi I'm just about to build my own personal website, and am wondering whether to build my own blogging functionality, or whether to use some existing one. Which are the best blogging sites for developers?? Thanks ...more >>

Hi all, How would I go about detecting the current applications Process ID? I know I could do this by checking the EXE against the process list and getting the ID, however I can't guarantee that there won't be another process that isn't running with the exact same name. So I need another way ...more >>

Dear all, I am trying to write a class in C++, exported it in DLL. Does anyone know how I can import them in C#? For example: in C++ class DllExport Abc { public: int foo1; FILETIME anytime; }; in C# I would like to access the member variables like this. .... Abc abc; ab...more >>

A little dramatic maybe, but I've just finished my pass on the "UI Polish" and only one things remains (well, I guess I haven't finished then!) Vertical Scrollbar position. Doh! Part of my code clears a Node's nodes, then rebuilds them all. When this happens, the scrollbar position is not ...more >>

Hi Folks In CS project, we use "Add Reference" option to make reference to other assemblies. At times, there a is a chance that few of them get added by mistake or must have got added for some need and developers must have forgotten to remove them back when not required :) Question: ...more >>

Hi Folks In CS project, we use "using" statement to make reference to other namespaces. For example: using System; using System.Data; using System.Configuration; At times, there a is a chance that few of them get added by mistake or must have got added for some need and developers must ...more >>

I am writing a ActiveX dll using Visual C# However , i am facing fileio and environment permission problem. Is there any way to solve this problem? just as signing the dll or other method to grant the permission? Thanks, Marquis ...more >>

Hello I have got windows application project (C# Visual Studio 2003) with references to external dlls. All I want is to compile everything into one exe file, so that I can send it to another machine and it works. I would also ask about creating installation package so that others could ins...more >>

I have three text boxes on a form with one button. The button is the form's AcceptButton. After some one puts a value into any text box, I assign the value to an object via textbox.Leave() event. This doesn't work if some one types or pastes in a value then hits <enter>. None of the key even...more >>

Hi All, What do you know about the Application.Idle event? When is it a good practice to use it and when should I not use it? I know it fires when the app message queue is empty, and that this happens a lot. But if I register many handlers on this event, what impact will it have on my applicat...more >>

Hi, I use, VS2005 C# I have a Windows Forms UserControl hosted within Internet Explorer According to MIcrosoft documentation: http://msdn2.microsoft.com/en-us/library(d=robot)/ms171712.aspx or the local MSN (Installed with) VS2005. .... You can access the HTML DOM representing ...more >>

c# how to use the same class in two projects? i have solution that consists of website, winapp and web service. i need to use the same class MyClass.cs in all three applications. i cannot figure out how to do in the VS 2005? ...more >>

Is there a control that I can use in Windows Forms to show the file system? I need something like the "file list box" in VB, that I can add to a form and have it automatically populated with the files (and folders) at a certain location on disk. Thanks....more >>

I have a dataset that has megs of data. I want to know if there is a way to find out if data in a particular column is unique or not. Does the dataset or a datatable have a built in function that i can use? Thanks ...more >>

I have an EXE project with four project dependencies (DLLs). I need to set the order of these builds. However they are automatically ordered by alpha. There aren't any settings to change this. Is the build order actually done by alpha? Thanks, Brett ...more >>

I was just wondering if anyone else may have incorporated the original Microsoft Exception Management Application Block (EMAB) or Data Access Application Block (DAAB) into one of their applications when the blocks were frist released several years ago? In the process of trying to upgrage an...more >>

Hi! I'm trying to determine if an AD user has the "Password never expires" flag set. I've only been able to find some vb script examples that show how to do this but I haven't been able to translate this to C#. I've tried this: if ((dirEntry.Properties["userAccountControl"].Value && U...more >>

Hello, I am developing with VS.Net 2003 on the asp 1.1 platform. I am a few days new to using a datagrid. I found a nice tutorial and had no problems using an editable datagrid with textboxes and an additional buttoncolumn where I used a delete button to delete a specific row. Once I ha...more >>

I have a list of last names that can be in different languages: chinese, english, russian, german, etc. Different format need to be applied only for last names in chinese. For this purpose, I need to check if last name contains chinese characters. Any ideas how to do it (it should be data rel...more >>

I realize this is more of an IDE question than C#, but is there any "macro recording" capability for keystrokes in visual studio 2005? In Delphi for example, your press ctrl+shft+R and it starts recording all keystrokes you press. ctrl+shft+R again and it stops recording. ctrl+shft+P "plays...more >>

I have an object with array of some data types. How do I get the number of bytes for it in managed code? The underlying data types could be primitive types or userdefined structures. For example I have an integer array boxed in object....more >>

Hi I am using a table to fill a dropdown box. The contents of the dropdown box are ordered by a seq_no. I edit the seq_no and want to refresh the dropdown box and show the new order. I can edit the table but the changes to the seq_no is not changing the order of the dropdown box when it is re...more >>

I have a DataGrid and a DataTable. When my form loads I create the DataTable with the appropriate columns and use it for the DataGrids.DataSource. Later on in my app, I alter the DataTable: dt.BeginLoadData(); for(int i = 0; i < _movesArrayList.Count; i++) { string[] columnValues = ...more >>

anybody can tel me y Int32 supervar = 1151; but when i do supervar = supervar & 0xFFFD; supervar becomes = to 1149 same for Int32 supervar = 21319; but when i do supervar = supervar & 0xFFFD; supervar becomes = to 21317; thank for any tips ...more >>

I posted this on ado.net, which seems like the wrong group - so here it goes! Hi All, I want to process a file in chunks, meaning I have a big file of 50K rows. I want to process 5K rows at a time. I am using StreamReader object and looping through each row and process it, and as I...more >>

I have a tree view on a form and I need to pass that treeview to another form keeping the state of the treeview (expanded nodes, etc). After the treeview has been manipulated (added nodes, deleted nodes, etc) I need to pass the treeview BACK to the original form. Is there an easy way to do t...more >>

Does any one know how to compare pixels in a picture, or a dll that will allow me to do so. I need to be able to find objects in a picture. Like a table, chair, car etc. Compare a given picture say of a car, and scan another picture for same type of car?...more >>

Hi guys; I got the following problem to solve, hope you can help me. I got a XML node in App.Conf; <CUSTOMERS> <CUSTOMER> <NAME =”Frank” /> <LASTNAME =”Smith”/> <AGE= 34 /> </CUSTOMER> <CUSTOMER> <NAME =”Lisa” /> <LASTNAME =”Tucker”/> <AGE= 42 ...more >>

Hello, Assume that I have two dll assemblies that implement a common interface. If the dll's are named the same, is it possible to swap the dlls in the field? Say, shut down the software, swap the dll's and run the software again? -- Warm Regards, Lee "Upon further investigation ...more >>

Example. In the U.S. 03-09-06 (Month-Day-Year). I would like for the date to change with use in whatever country the software is in, such as Finland, U.K. or even China. I keep playing with System.DateTime and can not find a way to do this. I would appreciate any help....more >>

Hi, Having created a data adaptor and then a dataset with the wizard, the dataset does not bear any information about the data adaptor that generated it. A good practice is to have both with similar Name, but if there are no hints, how can I tell? Thanks, Doru ...more >>

ARGH! I have a c#.net web application. I need to retrieve screen height and width into a variable. I know this is incredibly stupid but HOW THE HECK DO I DO IT??!?!?! A copy to rick1ryan@gmail.com would be much appreciate also. Thanks in advance. ...more >>

Is there a way to access COM object like VB.NET when Option Strict is set to Off. I am write an application that will interop with Excel. But the target machines all have different version (9,10,11) . Option Strict Off Public Class Form1 Private Sub Form1_Load(ByVal sender As System.O...more >>

Are ALL methods in subclasses implemented in C# with vtables and virtual functions? I know I could test this myself, but I'm still using Express edition of 2.0, so I cannot view the optimized disassembly. I know that you must use vtables for all virtual functions (and interfaces), but if...more >>

Hey guys, In my app I have a bitmap where drawing is done and in the form's paint method I show the bitmap: private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e) { if(MyBitmap != null) { Graphics g = e.Graphics; g.ResetClip(); Rectangle ...more >>

Hello, Form1 has a button that creates Form2 that has a button that changes a lable on Form1. How do I give(send) Form2 a reference to Form1? Thanks Mike ...more >>

Hi, I need a method in which to store data securely on windows XP/2003 using C#. By secure I want to a) prevent user reading and changing the data and b) prevent user copying over data I can solve the first problem easily by using encryption, however I do not know of any storage method w...more >>

How can I debug a C# GUI app which is invoked from the command line ? Thanks in advance. ...more >>

How is it possible to us a property from a nested class. Example: namespace MyApp { public class MaxLength { public class Project { private const int _projectNumber = 3; private const int _projectName = 20; public int ProjectNumber { get { return _projectNumbe...more >>

I have a method that has a parameter that accepts a System.Type. How can I test to see if the type passed is one of the numeric types? I want to avoid a big if/else or switch statement if possible. -- -Demetri...more >>

I searched the net to see if other developers have been looking for a writable iterator in C#. I found much discussion and thus this post. Currently (C# 2) you can not pass ref and out arguments to an iterator method (one returning IEnumerable). I WOULD like to do this for transformative op...more >>

I have a C# app that I can use in Test mode by clicking a button which reads data from a file for my test. I would like to start the App from the command line and run the test automatically without the form waiting for the button click. So I tried to call the button click event from frmMain() ...more >>

This is what my supervisor is looking for. We want runtime debugging/trace logging. In other words, we want to log every method that was executed, perhaps the variables in it as well - everytime the method is executed. This should be such that it can be turned on/off in a configuration file. ...more >>

Is there a way to programatically find a SMTP server available on the network? I am writing a C#.Net program, which should first find a SMTP server on LAN and use that SMTP server to send an email. Thanks Ganesh ...more >>

I have a DataGrid on my Form, and I wish to disable any cell editing. For example; when the user clicks on a cell, the cell become editable by changing its color to gray and context menu is shown on muse right mouse click. I do not want the enable this cell context menu (I have my own context ...more >>

hi all, I am new to this group and also new to c#.I am trying to learn c# right now. I am doing a small asssignment in which i have to create a small file with .sql extension in windows.then write a code in c# to access that file and then connect to sql server 2005 and execute the query p...more >>

I want to create a data repository in memory so that different processes can share the same data, rather than loading the data multiple times for each process and then having to contend with synchronisation issues. Is there any library out there that will allow shared memory for inter-proce...more >>

Hi, I've made an application that is running in the background - i.e. its not visible on the screen. I would like an eventhandler in the program to subscribe to the event that occurs when, say the windowskey+(some free key) is pressed. A little like the way you can start the file Explor...more >>

Hi. I have my program written as a console application in C# .NET 2005. I run it from a server on the local intranet and I got this message: An unhandled exception of type 'System.Security.SecurityException' occurred in System.Data.dll Additional information: Request for the permission of ty...more >>

Hi, I need to compare two timestamp columns in sql server and see which one is greater. (i can tell if they are not equal buts not enough for this requirement). A timestamp value is unique in a database and always increments. A non-null timestamp is type Binary(8) in sql server and I pass i...more >>

hi i cant seem to understand the difference. can anyone explain or point me to some tutorial that can. thanks ...more >>

Hi, I'm trying to convert a string to date by specifying the format. The value is like this: "03rd of April 2006". Now this is converted fine by using the following format: "dd\r\d \o\f MMMM yyyy". The problem is of course that the string can be 01st of..., 04th of etc., meaning that I can't u...more >>

After numerous problems, I'm having second thoughts about using C++/CLI to wrap a native DLL. On the other hand, PInvoke seems like it will take a huge amount of work, if it will work at all. The native DLL uses raw data buffers that are normally handed to it (via pointer) from another native...more >>

What is the actual use of DataAdapter ? is it Only for sync for Dataset(Disconnected Data) and Table in Database for only Single Table only ??? ...more >>

Hello Everyone I developed a .NET application and now I need to create a setup of that for distribution. But here I would like to distribute my application as a trial version for certain period of time and then promt the user for registration. If it is not registered after that period the a...more >>

how can I change IP address and DNS address from my program? thanks in advance. ...more >>