C# / C Sharp Forum

Is it possible in .net 3.5 to serialize a HashTable to an xml file?

I used a picture box to draw lines and rectangle using its graphics object in paint event. Now i need to save those lines i have drawn and print them. I need to know how to save them. I tried image.save. But i didn't work...

Is it possible to serialize to xml a dictionary<string, stringobject in ..net 3.5?

Hello, i am lookinf for the best way to trap any alphanumeric keypress in all multi key combminations and execute some code For example , i have a form visible using the form.showdialog method, then the user can press keys A, D, E, F, T, and C to peform a function. What i want is that if a user presses A, or a, or SHIFT A or CNTRL A...

i have to implement caching in my application, can any one tell me about the good techniques to implement caching, or provide some architectural help , so i can use it to my application. i want to control caching dynamically according to my configuration. Thanks,

Int2Dec allows converting base 10 numbers to any base between 2 and 16 (inclusive). You may enter -ve numbers as well. Download it for free at http://www.thinkanddone.com/prog/cs/integer2decimal.html

Hi, Usually should we call IDbCommand.Dispose() after done with a IDbCommand? If not, what impact to the database server? Thanks, Ryan

If you have a tough time getting your head around Lambda Expressions, see if this blog entry helps: http://tinyurl.com/4yeckd I would gladly welcome comments, critiques and questions, as I am hoping this entry really helps those who are struggling with this topic. -- Gregory A. Beamer MVP, MCP: +I, SE, SD, DBA

Hi. I need to use an object instance in 2 differnet AppDomains, meaning changing his fields and such... I tried to do it with Remoting but i couldn't find a way to refernce a specific instance in the remoted appdomain where the object was created. what can i do?

Is there supposed to be no c# or VB language choices for website projects using .net 3.5? or did my install somehow get messed up?

No amount of research will give me a definitive answer, so I turn to this newsgroup. For this project, I need to use SQL Server 2005 as the database server. Can I develop my application with C# Express? Do I rather need the full Visual Studio 2005 Standard? Or do I need to get the Visual Studio 2005 Professional?

Hi, I am very curious what is the difference between these two lines: SomeEvent += new EventHandler(Method) and SomeEvent += new Method.

I have a dataset with two datatables, each from different datasources. The two tables are related by a datarelation. How would I databind a gridview to something equal to "SELECT * FROM table1 JOIN table2.."

Hi, I have a form with some buttons and a graphical user control, I need to use the cursor keys to move the camera position in the control, but it has the unfortunate side effect of cycling through the button controls on the form and changing the state of the radio buttons, wich is catastrophic. how can i stop this? ive tried setting...

Hi Experts: I'm using C# with .Net WebBrowser 2.0 Control. When browsing web pages, some time a new window pops up for a new pages. Just wondering if I can make it using original page only (do not start a new page with a new browser). Thanks in Advance! Polaris

hello everyone. if we make com+, there are the progid, guid in com+, so i want to change these. if many of clients use one com+, i think there has a problem about component load balancing. so i want to change the progid, guid before the com+ be installed in Service.

Hi! Is possible to show HTML inside a reportviewer? Mello.

Hi, Is there any way to check the availability of a web service without including any extra web method? Thank & regards nRk

Just for clarification, the Microsoft.Win32.SafeHandles.SafeFileHandle can be used with anything that uses the "kernel32's CloseHandle" method for clean up? For Example, "kernal32's OpenProcess"? It seems to work, but I just wanted to be 100% sure. NB

I have the following code ArrayList list = new ArrayList(); foreach (string name in FilesNames()) { list.Add(name); } return list.ToArray(); which basically calls FileNames() method which yeild a string for each

TValue oItem = (TValue)Activator.CreateInstance(typeof(TValue), BindingFlags.Instance | BindingFlags.NonPublic, null, new object { m_nCleTemporaire }, System.Globalization.CultureInfo.CurrentCulture); EventInfo oPropertyChanged = oItem.GetType().GetEvent("PropertyChanged"); MethodInfo eventHandler =...

Does anyone know of a good GIS plugin for VS 2005? Thanks

Marc has sorted my problem with the collections, however I am now in a new scenario; I am trying to compare a generic property value before setting it as shown below ... public T Value { get { return this.value; } set { if ( this.value != value ) { this.value = value; this.OnValueChanged(EventArgs.Empty); } }

I am trying to do this line of code: txtBxMessageBody.Text = ".\\ " + treeView1.SelectedNode.Tag.ToString(); I am getting an error back. It is something pretty simple but I can't figure it out. The error is: System.NullReferenceException: Object reference not set to an instance of an object at myMethod This is the only line of code in...

My project requires some post build steps to make it 'ready' for deployment. It needs to tweak the app.config and it needs to build out a nasty blob of XML (this takes a long time). The XML is specific to the build version of the application. My post build works exactly as I would expect it to does all of the stuff I want it to do. It...