C# / C Sharp Forum

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Since Windows 2000, all user setting files should be stored separately in the user's application settings directory. But some users still want all the files to be created in the application folder, to make that app "portable". I've created an application which creates an .mdb database in the directory where the executable is in (like,...

I tried to edit data in DataGridView. Insert and delete operations in grid are not saved to database. Updating works OK. How to force grid to save Insert and Delete operations also ? Andrus. Northwind db = CreateDB(); var list = new BindingList<Customer>(db.GetTable<Customer>().ToList() );

vs2005 c# how do i trap max number of row in a collection ? lets say I can only have max of two rows in a collection I have this property const int MaxCount_SubmitterEDIContactInfos = 2; private void validate_SubmitterEDIContactInfos() {

Can you make the MaskedTextbox to only allow certain letters e.g. 10:11 A (Only allow A and P as input) ?? I don't want any other letters than A or P to appear in the text box. I mean no post validation. Overriding the KeyPress function only allows me to disallow the key pressed to appear (by setting e.KeyChar = (char) 0;), but it...

Hi, I've implemented a windows service that calls an SSIS package. Every so often, the SSIS package does not return control to the calling method. What I've implemented is a sentinel thread that is spawned before the execute method of the SSIS package which will email me if execution occurs for a prolonged period. What I want to know is,...

In C++ arrays have the .SetAtGrow() method that expands the array to accommodate the index specified. I don't find an equivalent method in C#. Is there one?? If not, what is the recommended way to handle this?? Currently I'm using the Resize(....) method but this can be awkward at times. Thanks, Neil

hey all, when i call my function in sql in my datalayer i have to use the prefix dbo. why do i have to do that? is this ok? do i need to change something on the database side to follow best practices? thanks, rodchar

hey all, if i'm using webservices in my project, is that considered a type of SOA (Service Oriented Architecture)? thanks, rodchar

Let's say we have your basic Invoices and InvoiceItems table. If we load this in with LINQ: var query = from i in db.Invoices select i; When I then loop through my invoices, if I wanna access the lineItems for a particular invoice, LINQ runs another query behind the scenes and goes and gets them for me. So if I wanted to loop through...

Is there a project template out there I can use to create a wpf .netmodule? I did a back door way by creating a a wpf application and changed the outputtype to Netmodule in the csproj but when I compiled the app, I get the error 'type not supported by this task". Thanks.

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In my code for a custom user control, is there a way to determine whether or not I am inside the standard user control TestContainer? I was hoping that I could perhaps examine a unique characteristic of the parent, if it is accessible. Ultimately what I would like to do is exercise more of my custom control than just seeing how it renders,...

Hello. I have external DLL with function: extern "C" __declspec(dllexport) void ByteTest(BYTE **arr, BYTE w, BYTE h) { BYTE tmp = 0; for(int i=0; i<h; i++) { for(int j=0; j<w; j++)

This is incredibly strange. I used regedit and went to HKEY_LOCAL_MACHINE and create a new subkey under "Software". I added a few more, then went into code to try to read them. I kept getting null returned when I tried to open them, so I decided to try this: Registry.LocalMachine.GetSubKeyNames() The results where dumbfounding--they...

hi there, i'm using .net framework 2.0 and i need a panel to be 50% transparent/transluctant. i was desperately looking for an opacity property with no luck. any ideas on how to roll your own? thanks in advance! matthias --

I need to save the array contents to a database in oracle. Also i need to modify them if the array content changes. Can u tell me hoe to do it?

I have been using .NET 2005 in a dual monitor mode. Now that I'm on travel, I have only one monitor. Unfortunately, every time I want to search for something, the Find window appears off the screen. Is there a way to reset .NET to defaults such that I get this window repositioned back on the main window?

Hi Hope someone can help just starting to look at WPF and so far have only seen shapes built with Integar values Is it possible to create Shapes using float value Points ( e.g x=320.52 y=423.60) without truncating them to ints

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All, I'm using a WinForm app that calls methods on a remotable object. The app server hosting the object is in New York. Using the same exact application, a Sql Server 2005 datetime column's info is being displayed as '3/25/2008' in California and '3/26/2008' in New York (outside the LAN) where the data in the column is '3/26/2008 12:00:00...

I've installed my server application on our server (win2k3, 64Bit version) and when I try to attach to the process from my Win2k client machine I'm getting an error stating I need to use the 64 bit version of Debugging Monitor. I've checked my visual studio installation directory and I ONLY have the x86 version. I've also checked on my...

Hello NG, i have 2 functions to read and write strings on a TCP-socket. The strange thing is, that sometimes there are unexpected characters in the string. First of all, have i understood it right, - that i say in the first byte of the string - i want to send - the number of chars, that i will send? - that the fist byte of a string - i...