Hi, Does anyone have some example code they can direct me too for drag dropping images from a listview to PictureBox??? I have googled but not found anything I can get to work. rotsey ...more >>

Hellow I'am not sure what to think about the Garbage Collector. I have a Class OutlookObject, It have two private variables. Private Microsoft.Office.Interop.Outlook.Application _Application = null; Private Microsoft.Office.Interop.Outlook.NameSpace _Namespace = null; The Constructor: pu...more >>

I am trying to figure out how to translate the following CIL call into an Emit statement. In CIL it is: IL_004c: callvirt instance class [System.Data]System.Data.DataRow [System.Data]System.Data.DataRowCollection::get_Item(int32) The C# equivilant is as follows: MyDataRowCollection...more >>

Is there a way to specifiy what processor to run a thread on in a quad core processor in c#. Any links or direction is greatly appreciated. Bob; ...more >>

I guess I'm a bit confused about how to organize a C# project. I have two .cs files compiling into one assembly. Both place classes into the same namespace. File A contains a class with a bunch of static methods that I want to use in file B. What do I put into B to make the class and me...more >>

Greetings all, I just started programming with C# (.Net FW 1.1) last year and still learning. Previously I am using VB 6.0. Recently, in one application, I encountered a C# error "Cannot write to a closed TextWriter.". I looked at the code and it looks ok to me. Maybe I am missing some unde...more >>

Hi Ho to use dropdown in propertygrid with values from database? Lets say i have table ITEMS and columns ID, NAME Now i want to select id, name from items and display those values in dropdown of my propertygrid Best regards; Mex ...more >>

If I have a static method that references the HttpContext.Current object is it safe to be in a static method within a class under ASP .Net? I know that static classes are shared by all sessions at a given time, so Im not sure if this can be a static class. public static SessionManager Inst...more >>

Hello, I have the following C functions exported from a DLL: void copyString2(const char * sSrcBuf, long nSrcBufSize, char ** sDestBuf); void freeString(char * sBuf); The idea is to copy the source buffer into the dynamically allocated destination buffer returning the pointer to the buff...more >>

Hi, 2 Days ago i wrote a post about "how to add programmatically custom control on Toolbox". I'm still blocked with this issue. Is there someone who did it under C#.NET 2005 and 2008 ? thanks a lot, RAF...more >>

Hi all, sorry for the cross group spam but my question does really fall into both groups. Here's my issue. I have a Visual C++, CLR Class Library with a public class and a public method in a solution. Also in the solution is a c# console app. I have referenced the c++ project from the c# proje...more >>

Hi, I spent several days and I cannot manage to make TableAdapters to automatically post updates to database. I created a typed dataset with one tableadapter But somehow I cannot manage to update data in database. When I call update nothing is happening. How should I configure the tableadapt...more >>

Hello Everyone, I am having an issue using an API and was wondering if you could point = out what I am doing wrong. The error that I am getting is 'The = paramater is not correct.' I am unable to figure out what paramater the = error is referring to. The API Call is WTSVirtualChannelRead ...more >>

Hi I have a generic list populated by a structure and sorts the contents of the list based on the day and project # that is part of the structure. I would like to modify it to also sort on the start time as the third sort parameter? thanks. public class Comparer : IComparer<mergeoutstruct...more >>

Hi All, I have an ASP.net based application; one of my tasks is to show images on the page and do some image processing work (like Rotate, Zoom, Clip etc). For the above process I would like to write an Image control in C#. Can any one help me to write a control or any one can suggest a...more >>

Hi , Requirement is, I have to load my Xslt file into Exe/DLL. I have created one .Xslt file and C# code for the same to produce on .Xml file, like this: System.Xml.XPath.XPathDocument Xmlpath = new System.Xml.XPath.XPathDocument(filename); XslTransform xsl = new XslTransform(); Stream...more >>

Is there a way to use Y/N values instead of true/false values? Thanks *** Sent via Developersdex http://www.developersdex.com ***...more >>

I would like to bind a combo box to my DSNs in windows. Any idea how i might accomplish this? I wouldl like to have the drop down display the available sources. I am searching but cannot find anything online or in my C# books and am new to C#. Thanks in advance! ...more >>

Hi just wondering if anyone had any ideas on how to do this in C#. I am trying to get the total time of several start and stop time data entries. For example the input data looks like starttime endtime 3:00pm 4:00pm 6:00pm 7:00pm. 6:30pm 7:00pm 3...more >>

I'm looking for help and understanding of generics; specifically, the use of generic methods. I'm new to using generics and haven't found a good example that applies to what I'm trying to do. I have a web server, feeding data through web methods, to a windows application. This is not a probl...more >>

Hello, I have the requirement of being able to load different versions of the same type (same class name) in the executing AppDomain. I am aware that I would not be able to unload obsolete instances, but I don't mind. The problem is that, it seems, only one instance of the same class type c...more >>

Hello. How I can copy one byte array to other byte array? For example I have byte[] array1 = new byte[500]; byte[] array2 = new byte[100]; in array1 I have useful data from position 55 to 105 and I need copy those bytes to array2 on position from 15 to 65. How to do this? There are sho...more >>

I am trying to convert a string character to an int where the string is all numbers. I tried: int test; string stemp = "5"; test = Convert.ToInt32(stemp[0]); But test is equal to 53. If I change it to: test = Convert.ToInt32(stemp); Then it works the way I want where test = 5. ...more >>

I would like to write a program that needs to do the following; 1. This program will be launched from another program. (I have that one ready) 2. This program when launched, should display which token this program is launched (like administrative token or standard user token). 3. I also want ...more >>

All, I have created a class file using the XSD.exe tool that includes multiple classes based on the complex parent elements in the schema I used. I aslo have a win form that has a bunch of text boxes that match the elements in the schema. I understand how I would set the properties in the ...more >>

....open Windows's Calc? I want to integrate a shortcut to Windows Calc in my application. Ok, it seems quite str8 forward: 1. put a button / link label, whatever on a form 2. grab Calc's icon from system32\calc.exe and attach it to the button, etc, if needed. 3. Call Process.Start("calc.exe")...more >>

I have a program that is crashing on some machines (at a client of ours). I have determined that it goes down on this line of code: ToolStrip x = new ToolStrip(); I created a simple test app that only performs this one line of code. It throws an exception so I know the problem is not caused ...more >>

Hi, Is there a known issue in using Access through OleDB provider in C# (.NET Framework 2.0) where inserted records are not reflected in subsequent queries. Worst still, if the PK is a auto number an exception is thrown. Please be good enough to point me to some resources on resolving this ...more >>

When using "Choose Data Source" on a GridView object I receive the error "Object reference not set to an instance of an object". I can connect and use the database ok when using my own data access layer within the same program (I'm writing). Here are the steps I perform. 1. choose a new d...more >>

This could be a difficult one, so please bear with me. I've an assembly containing Delphi 2006.NET forms. A C# app, via reflection opens these forms . This works fine - I've a C# app, opening Delphi 2006.NET forms. Some of these forms are MDI Child forms. Exceptions are thrown - "Cannot ...more >>

Hi, I have Visual Studio 2005 installed on my work computer and I've used it to develop a number of .net applications that comunicate with my companies databases. I'd like to start working with and learning more with UML. Can anyone suggest any freeware sortware that I might use to do this?...more >>

Hi For every project I need entity classes for each table. I'm using an XSD DataSet to retrieve the data from the DB. Since these classes are always very similar, I was wondering, whether I could just develop a little generator program, that uses a template to generate my class. I've bee...more >>

Hi all I soon have a project to write and need to cover a few areas I haven't before. Before looking deeply into it I thought I'd ask a few questions :-) I have to produce an animation made up of PNG files + audio. This will output in various formats using plugins. 01: Can I use DX to ...more >>

I have a treeview on my web form, When I check one of the parent nodes, Child nodes must be checked automatically at client Is this possible ? ...more >>