Hi there I have a RequiredFieldValidator that displays the text "Required field" for a textbox. The problem is, that the text "Required field" is displayed BEFORE the user presses the button to accept the form. Why does this occure? Must be some setting I've missed, cause in other forms it ...more >>

Hello, I want to ake following 0,0 (900mm,900mm) -------------------------------------- |....................................| |....................................| |....................................| |....................................| |....................................| |....more >>

I want to Cast the following code lines. [Cast To Int] Product.ProductID = dvProduct[0]["ProductID"].ToString(); [Cast To Decimal] Product.UnitPrice = dvProduct[0]["UnitPrice"].ToString(); dvProduct is a DataView. ...more >>

Hi! I have a class like this Class MyClass { Public MyClass() { // Doing stuff } private string myVar; and a lot of more code. } Now in my Main program i declare this line private MyClass myClass; and in a procedure i do the folowing pri...more >>

Hi, I had created a web application where Session expiry was set to 2,000 minutes in IIS. in web config i had given like this <sessionState timeout="2,000" mode="InProc"></sessionState> but MY web application was left logged in at 18:00 15th Oct, but on the following day 08:30 16th Oct, the ses...more >>

Can I use a BinaryWriter without it closing the underlying stream? I want to save information to a MemoryStream using a BinaryWriter but I want to dispose of the BinaryWriter and keep the MemoryStream in case I wish to reload information from the MemoryStream using BinaryReader. Than...more >>

If you were going to hire a software architect / functional lead for your project (written exclusively in C# including WPF, WCF) would you require that they have UML skills? Is being able to draw the standard UML diagrams in a notebook sufficient, or would you require that they have some exper...more >>

Hi, I have a really stupid question about DataGridView. how dynamically create and display it on the form ? i tried : DataGridView myGrid = new DataGridView(); myGrid.Columns.Add("col1", "Column 1"); myGrid.Show(); but it does not work, so i miss something, but what ? i've read the d...more >>

Hello! Is always easier and better to create a typed Dataset by using Data Source Configuration Wizard instead of with the Dataset Designer //Tony ...more >>

Hello! I'm searching like a similar syntax for if(): int i=5; if (i in [1,3,5..10]) doSomething; e.g. enum TaskStates {Idle,Proc1,Proc2, ... ProcN} static TaskStates taskState = TaskStates.Idle; if (taskState in [TaskStates.Idle,TaskStates.Proc1,TaskStates.Proc2,TaskStates.Proc5 [...more >>

Is there any general purpose delegate that will allow me to call a method anonymously. The delegate does not pass any data as part of the method signature and has a void return. Data is passed as part of the method body. I am thinking something along the line of Action<null>. Just wondering if...more >>

Greetings! I'm trying to call this method in a c# app... SNAPIDLL_API int __stdcall SNAPI_SetCapabilitiesBuffer(HANDLE DeviceHandle, unsigned char *pData, long max_length); So far I've got this: [DllImport("Dependencies\\SNAPI.DLL")] public static extern int SNAPI_SetVersion...more >>

I have a Console app, a related Service Project and Service Setup / Installer Project. I would like to have the result of running the installer.msi file register the service to run with certain parameters. How do i specify parameters that the application needs to start up / run with? is it ...more >>

i need to get an object of type Type when i have a string. That is the easy part (Type.GetType("int")). What if i want that type to be nullable? This doesn't work Type.GetType("int?"). It returns null. This does work but i don't know how to know all that information at runtime. Type.Ge...more >>

Hi Can i decompile * All * the .NET applications for extract original source ? Can i recompiler the source ? ...more >>

Hello everybody, I'm programming a TCP server. During the stress tests I noticed that maybe my socket-receiving thread became deaf after an hour of heavy stress. I think that the reason could be this: The processing of the received messages. Something goes wrong in this processing and the cod...more >>

A few quick Q about windows CE. What development tools does one need to dev applications with windows CE? I was looking at the price breakout of Windows CE; the price for dev tools was ~1000$, but I couldn't figure out what tools they talking about. Is it just VS? or is it another software pa...more >>

I have many double[] that each have a few thousand numbers in them. I need to concatenate groups of these double arrays into a new set of double[]. I don't know the total # of points. I thought it would be fairly easy to add these different double arrays to different ArrayLists an...more >>

Is it possible to extend the system classes? I want to create a function for converting a DateTime into a TimeSpan. Any Ideas? at the moment i've created: public class Convert { public static TimeSpan DateTimeToTimeSpan(DateTime value) { return new...more >>

We've got a lot of code we're about to migrate from .Net 1.1 to .Net 3.5. This code has, shall we say, a somewhat organic coding style. I would like to run all the code thorugh a C# Beautifier that complies with the Microsoft standards for formatting and such. I'm not looking to change variab...more >>

Hi, I am making the transition from VB to C# I am struggling to get my try/catch to work. For some reason, the exception is not caught. My code is below, any help will be much appreciated. Thank you. Simon. protected void btnDownloadFile_Click(object sender, EventArgs e) { ...more >>

I have code that generates a class. [Serializable()] public sealed partial class ProductInfo { private string _ProductID; .... public virtual string ProductID { get { return _ProductID; } set { ...more >>

Hi, I am trying to retrieve a value from a node in an XML document and cannot.. .any ideas? Here is my code: string isDBConfig = System.IO.Directory.GetCurrentDirectory().ToString() + "\ \dsconfig.XML"; XmlDocument doc = new XmlDocument(); doc.Load(isDBConfig...more >>

I have a windows form bound to 2 tables. Main table is orders for one customer, second table is for line items related to one customer's order. The second table is bound to datagridview where I have created local column (Sub-Total) to multiply unitprice by quantity. I want to place a textbox ...more >>

I am creating an application that utilizes a COM application. In certain circumstances, the COM app will create an inaccessible message box which will prevent the first application from working (a deadlock). How do you monitor the COM message loop and dismiss the messagebox when it occurs, using .NE...more >>

I'm using Visual Studio 2005 Team Edition for Software Developers. I've created new a test project and tests using the wizard under Test -> New Test... That seemed to work. I checked in my new test cases last night. This morning, I checked out my new test case project, my solution file, an...more >>

Here is a sample to explain my problem class Foo { int a; class Bar { void ChangeA() { a = 1; } } } function ChangeA() does not work because 'a' doesn't belong to Bar; it belongs to Foo. So the question is: how can I make...more >>

Hello All... Actually, I use Framework 1.1 and VS2003... I'm migrating to Framework 2.0 and VS2005. My doubt is following: Can I open My old apps that runs over Framwork 1.1 in VS2005 or I need to keep VS2003 to work with 1.1 and VS2005 to work with 2.0.. Thanks!! ...more >>

I am looking for volunteers to help review the source code and design of NValidate, an open-source parameter validation library written in C#. It's purpose is to streamline your parameter validation code, and make it easier to write, so that you're more likely to do it consistently and correct...more >>

Hi, Do any of you know when C# is expected to replace Visual Baisc 6.0 (VBA), for applications such as Access? Thanks, Barry. ...more >>

Hi, I have my own class and I'd like to save objects of this class in a dictionary. In python this works something along the lines of: a = MyObject(); b = MyObject(); c = MyObject(); myObjectDict = {} myObjectDict['a'] = a myObjectDict['b'] = b myObjectDict['c'] = c How do I do thi...more >>

Hi, I work since few weeks with C#. NET 2005/2008 and I would like to complete my weak sides with a good book about C#. Could you advise me some which could start from beginner to expert ? I have a 7 years C++ background. i already chose 2 for components : - GDI+ Custom Controls with Vi...more >>

I'm writing strings to an embedded console that only supports Extended ASCII Code Page 437. The strings are stored in a lookup table in a database . My original code is as follows which writes to a memory stream: System.Text.ASCIIEncoding Encoding = new System.Text.ASCIIEncoding(); Machine...more >>

Hi, I am using C# with framework 2.0 and creating PDF files on-fly, along with this I am using Windows 2003 Server. I am using Byte[] to take the data input and then save into pdf format on harddrive location. Now after creating few successful pdf files, I am getting "System.OutOfMemoryE...more >>

I have to convert this VB code to C#. [VB Code] Dim dvProduct As DataView = CType(sqlDS_Halloween.Select(DataSourceSelectArguments.Empty),DataView) [Attempted C# Code] DataView dvProduct = sqlDS_Halloween.Select(DataSourceSelectArguments.Empty,DataView); How to convert to CType? ...more >>

Hello! How do I do to accomplish this "select Show All Files in Solution Explorer to view the bin folder" //Tony ...more >>

Hello! I use VS2005 and C#. I'm looking at ADO.NET and have found some test tutorial on microsoft MSDN. It can be found on google when searching for "Walkthrough: Saving Data to a Database (Single Table)" You must have access to the Northwind sample database. I have followed the walkthr...more >>

I wonder if there is a efficiant way to provide a animated background for Form/Control? If I redraw the background of a control, all it's sub controls will be forced to redraw, right? Thanks! ...more >>

Hello! I just wonder when is it necessary to use unbound datagrid. It's far simpler to use databound datagrid by using the wizard. Can you just point on some particularly example when an unbound datagrid would be suitable. //Tony ...more >>