I am getting an error when I install a service I wrote. I have an MSI installation using VS 2005 with custom actions and a custom installation. I have compared this to several other setup with services I have written and other then the names being different I can't see a difference between ...more >>

Hi All, How to create installation pack for user to install ? I remember there is a command in VB6, after ran it, it can auto prepare the pack. Thanks! Best regards, Boki. ...more >>

I have a executable winforms application I would like to change. I use quite a number of listview controls in my main form. I dump about 15 columns of data into a couple of listviews. This data comes from classes that implement Ienumerable ... I use a method in the main form to update the ...more >>

Hi All, The program is background running, when user press a pre-define hot key, ex: ctrl+g It will fire some other event. Problem: When program is running at background, it can't receive the keyboard event, right ? How we to detect the hot keys? Thank you! Best regards, Boki...more >>

Dear NG, i have some code/assembly here that must be executable from a network share. But it only works if i run it as a Administrator or another privileged user. But it does not execute and silently fails when i try to run it as a standard user. I tried this to make the assembly work wi...more >>

I have a basic question regarding the Hashtable thread safety. According to MSDN docs, #1 Hashtable is thread safe for use by multiple reader threads, or a single writing thread #2 Synchronized supports multiple writing threads, provided that no threads are reading the Hashtable. The synchro...more >>

I've been noticing a memory leak with the following sample code snippet. Can someone please advise. Have a C# Winforms app with the following code on a button-click event. private void button1_Click(object sender, System.EventArgs e) { IntPtr p1 = new IntPtr(-1); string in...more >>

Hi I would like to add some additional custom features to the listview, like cell editing. The created object will be added to the form as part of the GUI, and it should be able to handle events. I will create a class which conains the listview. Should I inherit this class from any exist...more >>

I have a form1. It has a textbox1. I created another form2. I want to grab the value of textbox1 of form1 into form2. I am doing like this In form2 form1 myform = new form1(); string mystr = myform.textbox1.Text; But it is giving me follwing error. form1.txtNewMake' is inaccessible du...more >>

Hi NG, how can I read/write a objects property, by just knowing ist Name as a string? Is there something like : myObject.GetPropertyByName("aName"); Thanks for help ...more >>

I Used this and an exception is thrown: [PrincipalPermissionAttribute(SecurityAction.Demand, Role = @"BUILTIN\Backup Operators")] ...more >>

I use "Click Once" Deployment from VS2005. Works like a charm. I have to deploy a console app and an MS Access ADP. The console app invokes the ADP. I copy the ADP to the application files to be deployed from the console app and then use the Process obejct to invoke the ADP on the end Use...more >>

Hello... I create a setup application and distribute it to the clients for testing. This package contains some DLL files that are installed onto the users Program Files directory (eg. c:\program files\xxx\myDLL.dll). This DLL now is supposed to function in a certain manner. The correct ver...more >>

Hi, Im using two forms, thanks to your help yesterday I resolved my first problem. I open form1, from a menu I choose a task which loads form2 which contains a treeview. O i expand each node until I get to the last one, select this and form2 closes, with data bieng used in form1. The first time ...more >>

Does anyone know how I can write a binary file? Basically I want to read in a file that is an exe and write it back out bit by bit so I can add some header info. Thanks, Michael...more >>

I have an object which I present to the user through a propertyGrid. With many of the properties (many of which are objects themselves) I have implemented my own TypeConverters; many of these inherit from the ExpandableObjectConverter so that child properties are available to the user. Th...more >>

Hey guys and gals, I am creating a composite control and need to expose the ImageList and all related properties of a label in this control; I do not want to expose the entire label. What I am looking for is a way to get the ImageKey and ImageIndex properties to behave the same as they do with...more >>

Intellisense tells me in creating the first MessageBox below that string Enum.ToString is deprecated. Is the preferred method shown in the second MessageBox below? What is the preferred method to convert enum to string? private void button3_Click(object sender, EventArgs e) { ...more >>

I need to get Date for Monday and Friday of current week. I can't seem to find any better way then to DateTime.Now and loop forward/backward incrementing/decrementing by 1 day until I reach DayOfWeek. Any better way to do that? ...more >>

Hey ,, I wanted to List user rights assignment programmatically using c#.. the function should list the privilege and the user it has been granted to. I think it can be done using PInvoke . Is there another way?. if not can someone give me a hint as to how to proceed. thanks ...more >>

Hi, I'm interested in the alternatives to debugging C# other than Visual Studio .NET I have a large multi-threaded application, and I find that the debugger that comes with Visual Studio .NET is not powerfu enough. Can anyone direct me to different debuggers that would be better, especia...more >>

Does anybody know whether secure remoting through tcp channel works OK on the Mono? Thanks for any answer. ...more >>

Hi I am trying to execute a .Net Exe from network share \\calcscps80\SM \test.exe Which interns call some DLL and that dll wants to create few files at local drive as well as the path wher i have kept the exe. I have added the site file://calcscps80/* to the trusted site and through caspool ...more >>

Hey All, I am using the following line of code to pick all logical drives on the local machine: string[] drives = Directory.GetLogicalDrives(); using the above code I can get output in the form of C:\, D:\, E: \..etc now I want to filter out the CD/DVD and FLOPPY drive... how do I do ...more >>

I am trying to create dynamic settings in a .NET 2.0 C# application. I need to be able to store settings on the user, but I do not know how many settings are necessary at design time because the settings are determined by a business object that is loaded into the app of which there could be o...more >>

Ok, I have an internal intranet website created in visual studio 2005, c#. It was running fine for months, and then all of the sudden a few days I started getting these errors emailed to me (I have it set up to email me exceptions). Here is the error. I have gotten this error probably 100 time...more >>

I've recently started using the using keyword for my connections, but I have just seen some code where you have a using within a using, which is opening a command : using (SqlConnection _conn = new SqlConnection(ConfigurationManager.ConnectionStrings["constreng"].ToStri ng())) { ...more >>

Hello, I've finally managed to remotely load a DLL. I've expanded the code to load it in a seperate domain to unload the appdomain, which works to a certain extend. The host application always keeps the entry DLL in memory. How can I also unload this main DLL? As it's left after unloading the...more >>

hi, Like i said , has anyone managed to call gocr from C#? I dont have any idea of C++ , if someone has done something similar or is familiar with the gocr model, could you give me an idea of how i should call it from C#? Gideon ...more >>

Hi, I have some VC++ COM DLLs and want to reuse the same DLLs in C#.net application with Add Reference but I have a requirement for my application that therre should not be any DLLs for registration in the installation. Without rewriting the VC++ COM DLLs in C#.net and without registration c...more >>

Hi all, I work for a classified-type site and am planning on having an RSS feed for each category. I understand the basics of RSS, but I can't decide how often to update each RSS feed. Each category will probably have several new listings every hour. What's generally the recommended update ...more >>

Hi all, I have csv file which i want to show into datatable. when i try to use oledb to copy content of csv file into datatable not all rows are getting copied into datatable. Some last rows are missing. What i observe it if i open csv file in textpad and save that in file format 'PC' it ...more >>

Hi All, Could you please advice the serial number protecting method for software product ? Thank you very much! Best regards, Boki. ...more >>

Hi All, Could you advice how to: 1. Pop up a message, I remember it is called messagebox.show() in VB6. How to do it in VC#? 2. I want add a URL inside the messagebox, is that doable? How ? Thank you very much! Best regards, Boki. ...more >>

..Net - All versions I have Essential .Net Vol 1 (Don Box) and the Jeffrey Richter articles on the .NET heap - they are both excellent reads. But I am still unclear on the big pinned memory question: Pinned memory: if I have a block of pinned memory active on the heap when a garbage collec...more >>

Hi All, About the date limitation software ( trail software ) If user change their system time/date, is the limitation still work? It seems we need to write something to registry index, does Windows OS fine for us to add it ? is there any issue. Please advice how to do it, thank you ver...more >>

hi, i'm running visual studio 2005 working on asp.net projects. Suddenly visual studio has stopped automatically adding controls to the designer code behind. anyone know why or how to fix it? i can add them manually but that is annoying. ...more >>

I'm trying to create a Windows app with a clickable index of images within a local folder. Within a loop I've got:- PictureBox pb = new PictureBox(); pb.Image = Image.FromFile(file); .... pnlImageIndex.Controls.Add(pb); Where "file" is the name of each file within a folder. They are a...more >>

An application I wrote installs ok on W98 and XP. When installed it asks for Framework 1.1. When the application is installed on Vista and Framework 1.1 is made available, the application installs ok but errors out as soon as the icon is clicked to start up the application. The application was de...more >>

Hi, Is this a bug? SqlClient Parameters collection Prior to the following snippet a set of parameters were declared and added to the parameters collection. The parameter values I originally assigned using the syntax in the SECOND line of code. The code failed on the first line when it was ...more >>

And how ? :) Tx ...more >>

Hi there, i've got a small test application that can either connect to sql server, oracle or mysql (via odbc). When the connection is active, i want to return a list of the user tables and list them in a table. Now i know i can get them using SQLDMO for sql server, but is there anything gen...more >>