C# / C Sharp Forum

I've just started using the 'using' keyword for database connections etc. Is it not possible to use try catch blocks with using? And if so, how do you trap errors when using using? *** Sent via Developersdex http://www.developersdex.com ***

1st I serialize a DataSet (contains 14 DataTables) into file, with BinaryFormatter. 2nd I change some columns in a DataTable. 3rd When I now Deserialize the DataSet from bin file got I problems ?? Thanks in advance

Hi there, is there any library to "manipulate" multimedia files? What I need is to: - confert file across different formats - split audio and video - resample audio files Any suggestion? Thanks in advance, Giulio

I have a 200x200 PNG file which has an Alpha layer. What I would now like is a 200x200 image that is completely black, but with the same alpha mask. This is so that I can use it as a drop shadow behind the PNG when drawing to a target image. I cannot see how I can draw to a Graphics without destroying the Alpha. Any hints?

Hi I have a strange problem. Here is some input data before I describe the problem. 1. RemoteClass (Mathematica) is compiled into dll and put to GAC 2. Server remoting configuration is done by code. //used in case of code configuration TcpChannel channel = new TcpChannel(5000);

Hi, I have Multi-threaded TCPListener. I can connect to listener from local sistem and remote sistem. I turned it to windows servis. I can connect to listener via telnet from local sistem but i can't connect remote sistem. I used for loading servis installutil.exe My Oparationg sistem: XP Professional

Hi All, does anyone know if it's possible to utilise a .NET class library from Excel 97 ? I've tried but receive a runtime error -2146232576 which means nothing to me, my class is shown below, I've placed the assembly into the GAC and registered it using RegAsm all to no avail using System; using System.Collections.Generic; using...

Hello everybody, I have an application developed under WM5 SDK (visual studio 2005 & CF .NET2.0). I can get incoming number in WM5 but have problem with WM6, I can't get incoming number !!! it says "Number not transmitted". PS. The code is developed in unmanaged code Thanks for you help

Hi, I have a a

Hi All, does anyone know if it's possible to utilise a .NET class library from Excel 97 ? I've tried but receive a runtime error -2146232576 which means nothing to me, my class is shown below, I've placed the assembly into the GAC and registered it using RegAsm all to no avail using System; using System.Collections.Generic; using...

I had to start and stop the service "RemoteAccess". For this I use the 'ServiceController'. In XP is this no problem, but in VISTA I get "access denied". Had anybody an idea? Uwe

Hi, we are using a client c# console application to test a web service which uses Easy Soap. We are currently stuck in a strange problem which occurs only in a particular method call to the web service. In this case the connection is established, data begins to be transferred from the server to the client, but after about 260 ~ 270 KBytes...

Hi, Could any one help me out on how to retriveing the supported formats for the installed Word version in C#. Thanks

I have a program in Visual Basic that has a running object Public objSAPGui As Object Public objGUIApp As Object Set objSAPGui = GetObject("SAPGUI") If Not objSAPGui Is Nothing Then Set objGUIApp = objSAPGui.GetScriptingEngine end if I can't really create the same way in C#, so I imported the

Hi, In my .Net 2.0 C# web form WForm1, I have a table Table1 and it's size is W800 H400, all other controls and stuff are inside the Table1. When I open the WForm1 in browser, I would like to let the Table1 show in the middle of the browser regardless of the screen size is 1024*768 or any other bigger. What do I need to do? Thanks for...

Hello, Can we do dosprinting from .net 2003 in c#. Also can we directly print to lpt1 port. ??? Please let me know Niraj Ranka

Hi I am trying to dynamically create the following structure using AssemblyBuilder, TypeBuilder and DefineField: public struct SimpleType2 { public double dScalar1; public fixed double dArray; public int iScalar1;

hi guys, how could i get the dbserver's ip address using a oracle connection or a connetting string?

Is there a way that is already built into .net 3.5 that will let me protect an object from being modified when the object is public?

I do a lot of winforms programming in C# and VB.NET, but not I've been asked to do an ASP.NET application, and that's a first for me. So I hope you will bear with this basic question, because I'm really puzzled. I've got an SQL Server 2005 DB, and for the sake of simplification, we can say that I've got two tables, tblBooks and tblAuthors....

The .Net "pack URIs" feature seems ideally suited to my C# application, but I cannot make it work. I hope someone can help. I have some images (GIF and JPG), which I have built into my library's DLL, by setting Build Action to Embedded Resource. Using Assembly.GetManifestResourceNames(), I have verified that they're there, at run-time. I...

I might be overcomplicating the solution, but the problem is I have to make a breakdown of each week for many ranges of dates within a particular year. So for example one record might have a start date of 1/1/2008 and an end date of 2/31/2008 and I need to break down each week within that period and display the data corresponding to that...

Hi, does anybody know how I can get the "default system Border Width " ? example : if I draw a TextBox with the default 3D border, what is the with (thikness) of the border ? Thanks for your help ! Steph3.

Hi, A support technician proposed a workaround to black images created for thumbnails. The code to create a thumbnail is below: //passes results to Response.OutputStream private void CreateThumbnail(string url) { try

I'm having trouble creating a Semaphore with read-access rights for everyone. Originally I was trying to use this code: semaphore = new Semaphore(maxLocks, maxLocks, "RwLock#" + name); but when using that code to create a Semaphore instance for an existing system semaphore (i.e., the second time the code gets hit), I get an...