C# / C Sharp Forum

Hi I connect to Oracle 9.2 using System.Data.OracleClient. I call stored procedures and in cmd.ExecuteNonQuery I get error: "Internal .Net Framework Data Provider Error 30." StackTrace: in System.Data.ProviderBase.DbBuffer.Validate(Int32 offset, Int32 count)

Hi, I am starting a process and I need to monitor it (wait and check if its still responding). But, I it seems that the Process.HasExited or Process.Exited doesn't work. I just need to know if the process is running & responding. I am using

Hi Is there a way of working with sectors directly in C#. Any pointers, C# or not, would be appreciated. This is related to a previous post on file shredding in C#. Thanks Glenn

In my project,i added datagridview to my form , i transfered my table to datagridview and added multiple rows and when i called dataadapther.update ,,result is ok. But when i tried it for the delete operations,i got the error like "set primary key in your table" ,,i want delete multiple rows from Datatable which doesnt contain primary key

I cant find a way to insert headers and data into an existing blank spreedsheet. Usually you use an insert statement but when there are no headers you cant use it.Any suggestions.Thanks in advance

Hi guys i would know in that case i must delegates ? Please sent me a example. Thanks Regards, Cesar

Hi, I am somewhat new to .net and c#. (What I learned in previous co has to be unlearned). I am doing something that seems simple but I think there is a better way than how I learned to do it. I am creating a fixed length file with fixed length fields. Each field either requires leading zeros or added on spaces. I learned to create a...

Currenlty I am working on KeyBoarLayout in C#. I donot know how to change the keyboardlayout .I am creating a software similar to "Avro KeyBoard 4.5.1". Thanks in advance.

Hi All, is there a method of changing the color of a statusbar in C# Regards Abhishek

I recently installed the .NET 3.0 framework (behind the time, I know), and am seeing an issue building it. Because 3.0 doesn't upgrade csc.exe, I'm still using the 2.0 csc to build things. Since the assemblies added in 3.0 aren't in the 2.0 directory tree, their names need to be fully qualified, so I wind up with command lines like: csc...

If I have a web method called Log() and on the client I call BeginLog() with a null value for the AsyncCallback, will this cause a problem? I want to periodically Log messages to a Log web service but I don't need any return value. Is it poor programming practice to do it this way? Or is there a more preferred way? gkelly

Using C# 3.5 I have a form that calls many other sub-forms. Typically there will be five forms open at the same time. If the main form is closed all the sub forms are also closed. Is there a standard way to gain control within the sub-forms to do individual clean-up prior to their removal?

I 'm developing a c# (.net 2.0) windows forms application and in this application i want to connect to a java servlet page (HTTPS) (which is servlet 2.4 and which may be using Web Based SSO Sun Java System Access Manager but i 'm not sure), handle session management, get token, send data using post and get methods etc. I listened http traffic...

Hello, my app is written in C#. Given an app file path (e.g. e:\abc.exe), how can I determine if it's a winform app or a console one. (note: abc.exe can be either a native exe or a .net one)

I am you this connection string Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\testsheet.xls;Extended Properties=Excel 8.0;HDR=YES I get this error.I have registered the ISAM dll Could not find installable ISAM

Hi all, reading all these replies, I have noticed that not man y are actually able to grasp this question in its entirety. The point being missed by most (although observed by a few) is this.... I have a string with me and I want to know if it represents a valid file name or a directory name. Hoever, even before that, I need to validate...

In my Application, I need to make a certain graphical refresh, interrogating SqlServer, only if Application has focus (i.e. the title bar is blue). Interrogating .Focused property of various forms of the project is not the way (maybe, enumerting forms and checking if at least one of them has focus may work, but I don't think this to be the...

Hi, I am trying to use the visual studio express environment to create a simple combobox on a windows form that is "databound" to the categories available in outlook 2007. I am able to create a datasource that maps to Microsoft.Office.Interop.Outlook.Categories. But when I use this as the Data Source property of the Combobox, I do not

I have two threads that access an ArrayList. One thread will store new entries. The other thread will retrieve the entries and then remove them from the list. Is this a thread-safe operation or do I need to use the Synchronization system? Thanks, Phil

Hi Sir, i took your hotmail address on website when i was googling one issue.. could you please help me? i need to download file from unix ftp server... and size of file is 2 GB or more.. i am writting a console application in csharp the steps i need to write in code is

Hi, I am struck with the same probelm could you please suggest any solution if you found any

I have couple of simple vbs code I need to convert it to c#. Before I go into converting it manually, would like to know if there are any utilities available that will do the job? These are classic vbs not vb.net Thanks.

Hi. I'm using Visual Studio 2008 Professional (trial) and the bindNavigator don´t have a save button. Where I may active this button?

I have an XML and I am using XDocument to traverse the xml document. A sample document look like the following <root> <node1> <element1 name="n" type="1" /> </node1> <node2 name='n1' type='2'> <element2>test</element2> </node2> </root>

Hi, I am looking for a calculator control for my web application in VB.NET (VS 2005). Is there any Infragistics control like UltraCalculator, UltraCalculatorDropDown for web applications? -- Arif