C# / C Sharp Forum

Hello. I am trying to write a program that continues to read the last line of a txt file until a stop button is clicked. while (ContinueLoop == true ) { while ((LastLine = file.ReadLine()) != null) { LastLine = file.ReadLine(); }//while readline

Hi all, I have a strange behaviour in dataview, maybe you can help me. the behaviour is like this : First I made a datatable (odt) in data set, and then I created a dataview using this datatable. I added a row to data table by using (let say the dataview created is odv) odv.table.rows.add(odr). When i saw in first datatable (odt), there...

regKey = regKey.OpenSubKey("...."); regKey.SetValue("...", "value"); this code doesn't work registry modification not allow in .Net?? how should i do?

I have a datagrid about so high such that about 10 rows can be seen before scrolling down. Default position after displaying the grid is to show rows 1-10. If I have 100 rows in the bound table how do I programmatically move the currently highlighted row to row 75, have it automatically scroll/position down to that row so the user is now...

I use a class to manage tiff's (written by someone else) to splitt multipage tiffs. However, when I run it, it fails, for other people it seems work ok. The method in the class is :public ArrayList SplitTiffImage(string outPutDirectory,EncoderValue format) { string...

Greetings, experts! I'm having a bit of a problem importing some working code from last night into Visual Studio. The code compiles correctly, but when I run the program, it doesn't seem to open the text window to ask for input. It simply errors on the ReadLine statement. (See the attached code.) When I use "Start Without Debugging", I...

Hello, Am new to C# and am playing around trying to get a while loop to display a int on a windows console using label. private void btnGo_Click(object sender, System.EventArgs e) { int Counter = 0; while ( Counter < 10 ) { lblMain.Text =Counter.ToString(); System.Threading.Thread.Sleep(5000);

Exactly why does C# and .NET require all the extra copying of data?

I can't seem to figure this one out. Here is my class structure namespace name { public class foo { } }

Has somebody written any guidelines regarding how to determine when try-catch blocks should be used and where their use would or could be considered superfluous? <%= Clinton Gallagher METROmilwaukee (sm) "A Regional Information Service" NET csgallagher AT metromilwaukee.com URL http://metromilwaukee.com/ URL...

"Char Array" is showing up in one of my grids when I return data from a table that contains a BLOB of subtype text. Can anyone tell me the best way to convert the Char Array to a string?

I am writing a DLL (DLL1) that is wrapping another DLL (DLL2). I need to extract the information returned from DLL2 and pass it out to the Client application this is using DLL1. DLL2 returns data that I would like to return through DLL1 as a collection so the user can use foreach (lookup li in _myAdapter.lookupInfoCol) and get the li.JID...

I know that normally there is only one connection that you specify in a simple web solution but, now our company is looking into a multiple connection solution. Plase give me comments on how you implimented or haven't implimented this kind of solution Thanx in advance.

Hi, I'm having a hard time finding the event that fires when form minimize button is clicked. Any help would be greatly appreciated. thanks Maz

Hello, I have an autoincrement field and I'm not sure how to use a parameter with it to insert data: this.sqlCommand1.CommandText = "INSERT INTO SickAndTired (String_ID, Input_string) VALUES (@Parameter1,@Parameter2)"; this.sqlCommand1.Connection = this.sqlConnection1;

Does the *this* keyword refer to the class or the instance?

This is an example in the book I'm reading: string fullName = " Edward C Koop "; fullName = fullName.Trim(); string names = fullName.Split(' '); string firstName = names; // Edward Two questions about this: 1. Why do you use single quotes with Split() instead of double? Is this

If the grid is dragged off the screen and back on the data is visible. Tried a dg.refresh() and Inactivate(). Can I do this by overriding custom base class OnPaint that my form inherits from? I don't thin it is the backcolor or something like that because the error does not occur on everyone's workstation. Could be it be the video card or tied...

How to check if a user is logged into domain ? Hrcko

I have not found code that can successfully opena dn close a connection, so I created the class below. It will open, disconnect and check the type of internet connection you have. Paul R. Johnson using System; using System.Collections; using System.Data;

I have a managed C++ DLL wrapping some unmanaged C++ code. I'm using this DLL in a C# program, and I need to watch some of the buffers being used. When I try to use the memory debugger window in Studio, the pointers are all pointed to 0x0000, and that space is filled with question marks, instead of the more common hex. I'm assuming there's...

Hi, Easy question. It seems to me that I'm following the examples correctly, but apparently I'm not. I'm trying to retrieve the data from a row called "row" and a column called "File". This is what I have: (xFile is the int value in column File and tCat is the table) First I try: xFile = int.Parse((tCat.Rows).ToString()); Another...

I can't find the followings equivilent: flashPlayer.Movie = Application.StartupPath + @"/Cooler2.swf"; flashPlayer.FSCommand +=new AxShockwaveFlashObjects._IShockwaveFlashEvents_FSCommandEventHandler(flashPlayer_FSCommand); Any help is appreciated. Thanks, Trint

Hi, I am having a problem which I am guessing is very simple to solve but I just can't find a way to do it. Basically all I wan to do is to connect to an LDAP server and check if a user has entered the correct password. This I can do fine. My problem is that if the LDAP host is not available then the programme just freezes and continues...

Hi Group, Can someone show me how to use CreateIpForwardEntry() in C# to add a static route. Thanks,