Hello there, I was wondering how I can check whether I am allowed to read a certain file or not? Some of e.g. XP's files are not readable, not even by the Administrator, and when trying to open a file for reading, it throws an exception (e.g.: {"The process cannot access the file \"C:\\Docu...more >>

Hi I have written a code for showing the list boxes as selected using a Listitem and the selected property of the items. Now I have 2 list boxes in my page. But it shows only the selected values of the last list box in both the list boxes. If i reverse the calls to the filllistbox m...more >>

I have a Setup project in my app. Questions are the little things to add to it for a "real pro look" 1) Add the folder to the programs group. 2) Add a Removal Icon to it. 3) Add a program icon to it for the EXE, and not the setup exe. 4) Add an OLEDB driver install to fire for a new instal...more >>

I want to have a FolderBrowserDialog that simply has 2 radio buttons with a label beside each underneath the folder list. Is it possible to actually add things to common controls or no?...more >>

Can I store objects in treeviews ? -- Texeme Textcasting Technology http://texeme.com Indie Pop Rocks @ SomaFM http://somafm.com/ ...more >>

if I have a field that I want to store to a database is there a function that I can use to show that it is just time without appending a date to it or something? For example: I want to enter 0430 pm and have it store 1630 (military time) to my database. For example the following always retur...more >>

Hi all, I'm toying with reflection to try and build a recursive function that generates treenodes of a treeview that represent any given object's graph (of child objects): public TreeNode BuildNode(ref object o) { TreeNode tn; treenode.Tag = o; treenode.Text = typeof(o).Name; if (ty...more >>

Hi, I am wondering if there is any format string for phone number. Just like those dd:mm:yyyy or C for currency. Can anyone enlighten me? Thank you in advance, Sunny ...more >>

Hello, I've had Visual Studio .NET for C# only two weeks now. Today I encounter a big problem with the developer. The edit menu is disabled! Both using the right click of the mouse, the edit menu bar, AND the CTRL + ... of the keypad! I can't even delete items!!!!! I should be more spacific: ...more >>

Hello, I have a typed dataset and I have the following loop. foreach (DataTable myTable in DataStore.Tables) { myTable.RowChanged += new DataRowChangeEventHandler( Row_Changed ); myTable.RowDeleted += new DataRowChangeEventHandler( Row_Changed ); } The Odd thing about this is ...more >>

after opening socket, sending data then closing socket 3000 times i get "Only one usage of each socket address" what am i doing wrong? is there some thing else i need to do to free up the socket after i send data into it? I simply want to open socket, send data, close socket and have the s...more >>

We are a company whose IT development will be standardized on VS .Net C#. We are reviewing tools that could help with development/standardization and have seen Enterprise Library. Can anyone offer some insight and experiences in using this tool? Thanks Brent ...more >>

i would like to konw when the data sent so that i can close the streamwriter and networkstream is there some sort of call backs/events i have to implement for this to work? if so how? can i just open neworkstream and streamwriter, send data and then close it syncrhronously or do i have to implem...more >>

Hi, I have an application written in .Net and my database is SQLserver. In my application i am using SqlAdapters to get the values from the database. But sometimes, values are not returned properly to these adapters and there are no exceptions also. At this time, all database queries wi...more >>

What is VB.NET equivalent of String(5, "_"), which creates a string containing 5 "_" characters. thanks ...more >>

Hi all, I have a problem that I havent really come accross before. I need to be able to allow the user to set a dropdown control to a particular colour value. The permissable values come from the Color enumeration and unfortunately I can't change this implementation detail. My question...more >>

Hi all I have been fighting to get this working.. I have a form with several text boxes which posts back when an user fills and submits. I want to hide the textboxes on postback and display some message based on some server rules. Do I have to loop through each and every text box and set t...more >>

I am getting this error when trying to run a stored procedure: [MissingMemberException: No default member found for type 'DataSet'.] Microsoft.VisualBasic.CompilerServices.LateBinding.LateInd exGet(Object o, Object[] args, String[] paramnames) +1361 ASP.Baldwin41_aspx.Button1_Click(O...more >>

the api call in vb.net looks like this Dim WithEvents mobjSocketClient As TCPConnection how to do this in C# (particularly the equivilant of WithEvents) ...more >>

Hello, I was wondering what the best way would be to dynamically determine and store connection string information. What I mean by this is that I want the application to user the servervariable to determine what location it is running in and then dynamically assign a connection string value ...more >>

DropDownList.SelectedItem.Value returns only the first record value, no matter when you select. any help would be appreciated. Thanks Manoj ...more >>

Hi, I am filling a server side listbox in an asp.net app Each text value for each item in the list is created by concatenating to string values together. I want to give the appearance of columns in the drop down list box. i.e. jan 2000 feb 2000 mar 2000 however I am getting ...more >>

Hi, I have a .net application serves 150 user simultaneously to answer multiple choice questions on-line. Back end SQL server 2000. After the process started about 45 minutes, most of the user's screen got freeze. It happened three times. If 10 to 15 users work on the system for three hours, t...more >>

Hello, I am working on an updater that Retrieves a file from a web page. GetRequest.Method = "POST" SW = New StreamWriter(TheRequest.GetRequestStream) SW.WriteLine(TransferName) SW.Close() TheResponse = TheRequest.GetResponse() ms = New MemoryStream() CopyData(TheResponse.GetResponse...more >>

I have been looking for a logo for the .NET framework similar to the Linux (the penguin) and java (cup of coffee) logo's. Not something like "I support .NET" or ".NET certified". Just a neutral logo for the framework. TIA Uffe ...more >>

This was stated in a response another post: >Right now only Win 2003 OS comes with the framework 'pre-installed'. Windows >2006 a.k.a 'LongHorn' is actually built on top of .NET framework. So finally >we have a 'managed' OS. I'm curious about this, does it mean that the OS from ground up ...more >>

Hi, I hope this is correct forum for this, this might possibly an academic type question. I am trying to copy a dataset to an excel spreadsheet for my asp.net application. (written VB). I have tried lots of sample code examples but everyone gets stuck at the point where I try to mani...more >>

Check out the Microsoft support groups post this weekend. The weekend of "patches". They seem to have broken COM/.net interop on W2K. ..Net apps calling any COM component are met with nasty, unresolvable "security" errors that can't be fixed with dcomcfg or the .Net configuration manage...more >>

Has anyone worked on code that that can parse evaluation expressions (could be numbers or strings) like ( ( "dog" = "dog" ) or "foo" = "bar" ) and ("cow" = "bat" and "bye" = "hi") or ("math" = "fun") or ( ( 1 = 5 ) or ( 2 < 3 ) ) and (1 <= 6) or (here it gets a little complicated wit...more >>

what OS come with .NET framework!? How can I install .Net Framework on say a win 98 and win 2000 machine? does the .Net framework need for the win 98 and 2000 machone come with visual studio .NET? -- Adam S...more >>

will an application created in .NET run a windows 98 and 2000 machines -- Adam S...more >>

The button in the datetimepicker class that opens the calendar is too small for my touchscreen users. How can I make a regular button that opens the datetimepicker calendar ? I don't want to just make the font in the datetimepicker huge, that only makes the button very tall and skinny. ...more >>

Using reflection, is there a way to know that a method or property parameter is a paramarray? There doesn't seem to exist a property like 'IsParamArray' in reflection.parameterinfo. Thanks in advance....more >>

I have two datagrids on a page and each of them allow the user to add rows. On each datagrid I have validation (required field, reg expressions etc) and my problem is that I only want the validation to work on the datagrid which I click add in. At the moment if I click add in one datagrid and...more >>

I was wondering if anyone knew how to write a regular expression which validated that a field was 200 or less characters long. Its this part i'm interested in working out. Can someone help me please. ValidationExpression="^{0,200}$" <asp:regularexpressionvalidator id="Regularexpressionvali...more >>

I have the following regular expression and at present it checks that a field contains only letters and is more than 2 characters in length. I would like to change this slightly to also check that the text entered is 25 characters or less. I'm not very good with regular expressions and was won...more >>

Hi, As topic, Can we add an event handler that has different delegate? Example: I have a method that takes no parameter: public void xyz() I would like button1 to fire that method onclick. button1.Click += new EventHandler(xyz) I understand that button click event should has para...more >>

I have been pulling my hair out (what is left of it) for a few days trying to figure out what is wrong with this.. I have a repeater control that renders a number of controls bound to a datasource. Within this repeater, there are a number of dropdownlists which have their datasource set to ...more >>

Hi, Can anyone tell me if it's possible to pass a method to another class? Example of what I would like to do: class1: public void MyMethod() { code here } class2: public void CallThisMethod(something MethodName) { MethodName(); } Then I will call this code from class1: c...more >>