C# / C Sharp Forum

Hi. I can find loads of examples of how to open a com port (serial port) in C# and .NET2.0 and later versions. But I just need a little help doing it with .NET1.1 .NET1.1 has far more limitations than later versions, but I'm stuck using it for this project. I'm not much of a programmer, and am modifying a large code base to upgrade it. The...

i dont know why there is an error in my code..in the code "app.ActiveDocument.PrintOutOld"...there's an error 'no overload for method..' ..anyone can help me..please?..thanks! // Create an Application object Word.ApplicationClass ac = new Word.ApplicationClass(); Word._Application app =...

I've written a Windows application in C# which connects to a MS Access db. I'm using Crystal for reports. I have no problem viewing my Crystal Reports in the CrystalReportViewer, but when I distribute the db its location will change. How do I set the database location in the CrystalReportViewer?

i have to convert an image variable(system.drawing.bitmap orsystem.drawing.image or AForge.Imaging.Image) to Emgu.CV.Image type i have used the code below Image<Bgr, Byte> cvimage = new Image<Bgr, Byte>(bmp); but it is not working but also crashing the program When i put this code in a try block then it is not crashing. anyone can help...

Hi, I seem to have hit a problem when try to drag data from an Access file. I know I can do it as I've populated some combo boxes using pretty much the same code, however, the code below is returning nothing and I cannot see why! Any help would be appreciated private void searchInformation(List<string> detail, List<bool> opts) ...

I want wildcard character to search Match & March at the same time in indexing service. I am trying it with following query: Select DocTitle,Filename,Size,PATH,URL,Directory from Scope() WHERE CONTAINS('"Ma*ch"') Or Select DocTitle,Filename,Size,PATH,URL,Directory from Scope() WHERE CONTAINS('"Ma?ch"') But I am not getting any...

I am using Window 2007, and a non-technical person. Help! I have tried everything to create tables in the body of my Outlook E-mails. They look find as they are typed, but the receipient gets columns unaligned in disarray. Thank You, dmh

Trying to CLEAR the Table "login" on closing of the form... public void remTempData() { string delete = "DELETE * FROM login"; SqlCommand rMove = new SqlCommand(); rMove.Connection = access; rMove.CommandType = CommandType.Text; rMove.CommandText = delete; ...

Gentle list members, I have started to type in and modify according to my taste the examples in a tutorial of C# . I use Visual C# 2008 Express Edition. I have put the first two exercises as Projects in the same Solution. The problem is that I have to mark and unmark again and again which is the executable project. I want to share e. g. the...

I got a problem with HTTP Requests. Here is the POST Request I want to get the respond to: <div id="tabs-2"> <div class="form" id="upload_form"> <p>Please select a container file to upload.</p> <form action="/decrypt/upload" method="post" enctype="multipart/form-data"> <fieldset> ...

Hi, i'm currently working on a project and I've hit a little snag. I have a list box which adds file paths from a directory, what i want to know is how to output the selected path in the list listbox to a string. Which would then be used to change the url of an image. Note, all the files viewed in the list box are .jpg

I have developed a visual studio 2008 / C# / access 2000 application on XP professional this works fine. I am now testing on a vista home basic machine (both machines are 32) The application is installed on both the XP Professional and Vista Home Edition machines. I am getting the error message 'Unhandled exception has occurred in your...

Hello, I am working on a project in my C# book Tranfer Textbox to Combo, Combo to Text,Textbox to list ,but I cant listbox to go to Combo.Instead of the word , it puts (collection) StatesListBox.Items.Remove(StatesListBox.SelectedItem); StatesComboBox.Items.Add(StatesListBox.SelectedItems);

long A1Ptr; dictPropId.TryGetValue("A01", out A1Ptr); PropDefInfo A01PropDef = GetPropertyDefinitionInfosByEntityClassId("FILE",A1Ptr.ToSingleArray()); A01Valid = A01PropDef.ListValArray; I am getting 2 errors in this segment of code, whcih is meant to access content from a "pick list". 1. "dictPropId", "A01Vaild" and "A01PropDef"...

Hi all, I've been fighting this problem for some time now and am hoping someone can help. I'm converting a VB6 application to C#. Everything I'm about to show works perfect in VB6, but fails in C#. I'm making an API call into a C dll, passing a structure. The structure gets values modified in the C side and I should see the modified...

namespace HelloWorld { public class VaultFormsCmdExt : IExtension { public MyCustomTabControl tabControl; public static PropInst fileProperties = new PropInst { null };

I am fetching the question in DetailView. but in Page_Load its giving the runtime error "the Input String is not in a proper format. the code is as below.: <%@ Page Language="C#" Debug="true"%> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <script runat="server"> ...

Hello, I am building a simple application that after contestants enter their information and submit, a Message box appears and confirms their entry. I have an okay button, but if they walk away, I want to timeout and close the message box after lets say 4 seconds. This is a a simple windows form. Can someone help explain what I need to do?

sir, i use gridview where all date are retrieve from sql database,i use templete field and there is two textbox , i want when we change the value of textbox which is inside a gridview the value is changed when we click the save button........... plese help me page load event if (!IsPostBack) { string query =...

I have a Crystal Reports Loading issue in C#-2005 and I have google for it and found in most of case that to initialized a Crystal Reports it takes times for creation their assemblies and object. I have not found any genuine solution for it. My reports take a minute to load the reports and it’s not good sign for my project. Is there a...

Hi, I have a simple winform which creates has in it a NumericUpDown, two group boxes and two buttons. The code then dynamically inserts a number of NumberBox objects into one group box and a pile of labels into the other. (A numberbox is just an overloaded TextBox - details are at http://www.all-the-johnsons.co.uk/csharp/numberbox.html) ...

hi i am very new to progrmming i do not know how to register the channel in the server to connect the datebase. it is showing the error in the line TcpChannel channel = new TcpChannel(12000);

I'm using extern keyword to use function in C++ unmanaged DLL one of the function parameters is const unsigned char *var, I tried to pass that parameter as a string , Byte array but that was useless. Would you please help me to find the correct data type to pass that parameter? static extern int RequestData(int comm_type, int...

I have a C/C++ DLL that CANNOT use managed C++ because my DLL is being injected into processes I do not own. I need to make an API call, but have to do it through IPC to another process. My DLL cannot call the API directly. We are currently using a COM server to achieve this but has proven to be unreliable when multiple users are logging into the...

hi guys, I am back again with another doubt. I am developing a browser using web browser control and i keep my bookmarks stored in DB not in xml. My system have more than one user and each user will have different bookmarks. I got to load the bookmarks in toolstrip when one user opens the browser ,now i need that buttons to act as hyperlinks....