Hai All Can Anyone Please suggest me how to add an image to a button at runtime using VB/C#.NET . That image has to blick so it has the user attention. Thanks in advance. Regards Vighneswar ...more >>

Hi, I am trying to write a windows service using the option that is present ..Net. I am using the window service project. I have written a simple window service and even created a installer for tht by using the option present in widow service. When i try to execute the window service using in...more >>

Hi I am facing problem descripbed as follows: I have 4 enums, 10 structures and methods exposed via web method It was working fine till the 7 structures after adding more 3 structures I am not able to create the instance of the 2 structures out of 10. Is there any limitation for struct...more >>

Hello, I'm developing a Standard Windows App and I need to deal with Icons. I've read lots of posts about them and I'm missing something. I put this code in a button click in a new brand new solution: Bitmap bmp = new Bitmap(System.Reflection.Assembly.GetExecutingAssembly().GetManifestResou...more >>

Hi, Not sure if this is the correct forum to ask... I am looking for C# library for HTTPS Connectivity. Or is there anything I can do to tweak WebRequest to make it work with HTTPS, like for example setting some SSL Transport Provider... Any pointers would be very useful. ...more >>

Are there equivalents to C's tell() and seek() calls? ...more >>

I need to convert a number I get from my Sql table (where the value is a string) to a string and have it be a precision of 2 and I want to reverse the sign. I originally used: String.Format({0:c},dr["Amount"]) but then I needed to reverse the sign. The problem is that if the value is ...more >>

The following code works fine private List<double> GetDataFor(string column, int selectedYear) { ------- ------- return list; } foreach (double item in GetDataFor("AirTemp", selectedYear)) { Response.Write(item.ToString() + ", "); } It shows data as follows: 37987, ...more >>

I want to extract a few simple elements from an HTML document (Transitional 4.0, so not necessarily something that can be handled by an XML parser). I've got as far as adding a reference to Microsoft.mshtml, but now I don't know what's what. The IHtmlDocument interfaces seem to be potential...more >>

Hi I am building a datatable manually and putting in a grid I would like to edit a row then determine that the table has changes and needs to be saved The problem I am having is that all the rows in the datatable have a state of "added" and when I change a row it still has a RowState o...more >>

Hi, I'm having some trouble opening a dbf file in my application. I'm getting an oledb exception with the error message: Message @"'C:\Work\comp310.dbf' is not a valid path. Make sure that the path name is spelled correctly and that you are connected to the server on which the file reside...more >>

Hello all, Simple enough question here, i think! I have a form which i want to work exclusively with the mouse but pressing up and down gives focus to two buttons which i have on the form? How could i disable focus entirely? Regards, Brian ...more >>

The only way I can ask the question I have is to present an example. Lets say I have a server application (server.exe),that runs unattended of course, and goes out every 20 minutes and gets stock information and holds the info it finds. I have a client app that provides a button that a use...more >>

Sorry for the repost. I must have done something wrong when I tried to post my reply (I can't seem to find it). Anyway, I'd really appreciate any help that anyone could provide. My issue is quickly becoming more and more urgent. I've tried the code below using the server's local Admini...more >>

Oh--- I have about ripped all my hair out of my head on this one. I have spent many sleepless nights pondering, tweaking, and cursing this error. Please, please. Please I hope someone can help. I have a program with 2 web browsers (of type AxSHDocVw.AxWebBrowser). Whenever I click my sim...more >>

Hi! Before I ruin my PC, can somebody please tell me if both studios and frameworks can live in piece on the same PC? What about VSTO's ? Thank you in advance, --Michael ...more >>

Hi All, I need help with ReplacementStrings on EventLog messages. The question is: How to replace things such %{SID} and %{GUID} inside EventLogEntry.Message? When the case is %{SID}, I solved by using SecurityIdentifier and IdentityReference classes. But when the case is %{GUID}, few t...more >>

I have a form, has javascript registered so a modal pops up. Button click will close form. Now I need to do an update with modal form data before it closes. I can put a second button and register the onclick attribute of the second button to the javascript to close the form after user clicks u...more >>

Hi, I am using a DataGridView to display a large amount of data and so need to use filters for displaying certain data. For this I want to provide a textbox for each column of the DataGridView so that the user can type in any text and use that text as the filter. I would like to have this te...more >>

How to refresh dataset and sqladapter after using store procedure? I tried to call update on sqladapter but it doesn't work. Only when I close program and call it again a change is visible. Hrcko ...more >>

How to all IP addressess in the network i.e. that system r connected to network.... How to implement "netstat -n" command in C#.... plz help me.... ...more >>

I am still a little confused on when it makes sense to use static methods. For example, if we have a web page that calls a business logic layer that calls a data access layer, should the method calls be static if no data is stored as state in the components? ...more >>

Hi everyone, I'm using some packet sniffing code to grab HTTP packets, and I want to turn the packets into a (preferably) HttpWebResponse. Is there any way to do this, or am I going to have to write my own class to do this? Thanks, Nick ...more >>

Hi: I need to get the unique GUID for a file, so I am using API calls through System.InteropServices I am using BY_HANDLE_FILE_INFORMATION and dwVolumeSerialNumber to get the unique FileSystem GUID for a particular file. Is this the appropriate property? I am getting unique nu...more >>

I've added comments to a method in A.dll. B.exe references A.dll. I see the new method and only the stock comment (type methodname()) in intellisense. However, when I use object browser from B.exe to view A.dll, I see the new method and all the comments. How do I get the comments to come thr...more >>

I am in the process of creating a C# ClickOnce application that will be deployed in the coming months. I was initially thinking of deploying it through Windows Installation but due to the need of regular updates to the program on the client end, ClickOnce led itself to be the better candidate...more >>

Hi all. I want to control two different instrtument but have simliar functionality. Acually the fisrt one is controlled by using serial communication, and the other is controlled by LAN communication. The number of instruments will be extetned by 5 or more. So If user select instrument (ex. ...more >>

If I define a table with no rows in the aspx page and then add rows in the aspx.cs, how do I get the number of rows in the table? Currently it just returns 0, even after I add 8 rows. ...more >>

trying to save a file to a virtual path [code] StreamWriter sw = new StreamWriter(@"\vm-extranet\c$\Inetpub\wwwroot\eclaim\Eclaim.csv"); [/code] get error can not find path, any one know what i need to do? ...more >>

I am curious where does C# fit in regarding C and C++? Is it an extension of standard C with just a fancy name to take into account ..NET or is more than that? I am a C programmer so I am curious to know what it does differently in case I see a job posted for a C# programmer instead of a C pro...more >>

I have an file from which I retrieve a type name. (i do not know what the object type will be). For argument's sake, the string data retrieved is "System.Data.SqlClient.SqlParameter" How can I create an object of type System.Data.SqlClient.SqlParameter from this string, without prior kno...more >>

Hello, Is it possible to easily send ip packets with cSharp (ie. magic packet for wake on lan purpose) Rgds....more >>

Hi, I have a multithreaded app which now needs database storage. I am in the process of designing my Data Access Layer but and was wondering what issues I should look for for in regards to a multi threaded app. My app will be need to initiate access to the database from several places i...more >>

Hi, I have been reading a bit basic stuff about method attributes in C#, and I wanted to build the following functionality with it: if a method has the custom attribute <LogException> the method has to be wrapped as follows: try { // call method } catch(System.Exception ex) { Sav...more >>

Here is my code in VB: Return Me.Document.GetItemValue("Subject")(0) The "GetItemValue" method returns an 'object' array, and the first item in the array is a string. This works for me in VB but when trying to convert this to C#: return doc.GetItemValue("Subject")...more >>

I have been assigned the task of developing a login.aspx page for a website that pulls the user information from the tblUsers table in the sql database. After the username is verified, it has to be reset after first login and again after 90 days. This is something I have never done before and I ...more >>

I'm writing a webshop for my company. I created the user header control and placed it at the top of my form. I have server controls underneath (TextBox, Command Button, Dropdownlist) which search for products based on criteria. I then use "Response.Write" to print the results to an HTML table un...more >>

Hi Can anyone tell me the meaning of the following regex: ^.*1234 ^.*\n.*1234 ^.*1234.*\n.*1234 ^.*[0-9]+.*1234 ^.*1234[0-9]+ Let me know ASAP. Regards Pramod ...more >>

Hi, I'm creating a customized picturebox that will have an array of images and some properties that will allow the picturebox to change its image to one of the images in the array depending on events that it registers for... I'm having trouble storing an array of images though, I've trie...more >>

Hi, I'm looking for the best practice for creating a generic data validation implementation for my data bound business objects. I currently have a business object base class implementing the following interfaces: IEditableObject, ICloneable, INotifyPropertyChanged, and IDataErrorInfo Mor...more >>

Probably an old topic...not sure. If I'm developing a web site with file upload, is it possible to get the size of the file BEFORE the upload starts? I don't want to rely on the web.config 'maxRequestLength' as if the user uploads say, a 20Mb file and I want to limit them to 10Mb....it'll anno...more >>

Hi All, This may be a silly question, but: Is it possible for a child class to inherit a base classes <summary> tag info for an overridden method? Cheers, T ...more >>

Hello, I have one callback ,2 onEvent on this callback and 2 kinds or args. Will it be possible to add different kind of args to one callback on different events? If so,how? Thank you! *** Sent via Developersdex http://www.developersdex.com ***...more >>

hello, i'm doing utf-8 encoding the following way. string message; UTF8Encoding utf8 = new UTF8Encoding(); Byte[] encodedBytes = utf8.GetBytes(message); message = encodedBytes.ToString(); can someone correct me? many thanks JJ ...more >>

Hi, I'm developing an APP which pushed web content to various devices on a LAN (these devices happen to be IP phones). I need to broadcast a HTTP message to maybe 100 phones at a time but this is really slow. I've tried different things but not sure what the right way to go is. First way is...more >>

Are there good classes to work with .INI-files from C# ? Oleg Subachev ...more >>

Hi I tried to import SchokWaveFlash COM object onto my form. I succesifuly find it in Reference browser within COM objects and add it to the toolbox, but when I drag the control on the form it gives me the following message: "Failed to import ActiveX Control. Please ensure that it is properly...more >>