How can i send a email with attachment. i have a file read in a stream and without writing it to disk i want to send it as an attachement , how can i achieve this task, Thanks ...more >>

Gurus, If a static variable is defined in a class what is the scope of the variable resolved to for it to remain 'static'? For instance, lets say I create a class library assembly that is strongly name which contains the class where the static variable is defined. This library can be refere...more >>

I have develop a smart card device reading and writing program, but I am facing a problem that when I read the value from the smart card, I get "A19\0 \0\0\0", (actually I have store the value A19 into the card from sector 17 to sector 24, 8 bytes long), I try to use Trim () function to cut th...more >>

Hi, I'm using a DataReader to connect to a db and retrieve data from the db. I just wondering how can I know the numbers of rows contain in my DB for the sql statement I used? For example, if the sql statement is like this: SELECT * FROM DEPT; I try objReader.(but I didn't find any r...more >>

Hi there, it is driving me crazy. Aftering renaming app.config the following code I always get null on myApp. It works if I keep the name app.config. Why? string myApp = ConfigurationSettings.AppSettings["AppName"]; Thanks!...more >>

How can i put my public message queues in my own folder under Message Queuing folder rather than in the predefined Public Queues?...more >>

I have started a project that requires a mail merge type action from a web page. I have a template form that needs data merged into specific fields from an SQL server then turned in into a PDF file. I have read several MS articles that imply that Word Mail merges should not be done from th...more >>

Hello, I am wondering if there is a specific site/page that would show how to scan input from a textfield and look for and convert certian characters in too special html code. TIA Aaron ...more >>

I have been developing applications with Java for quite a while but I am new to .NET development. I am trying to learn the ".NET way" of creating Strongly Typed Objects from a database. The Enterprise Library seems pretty close to what I am used to in Java but I am not sure how to create stron...more >>

Hi! I want to make a base class with some base properties and then derive different other classes from that in which I want to override the base properties to get specialized behaviour unique for each derived class as follows: MyBaseClass {PropertyA…} MyDerivedClassA: MyBaseClass {Prope...more >>

Hi all, Does anyone now if there is a way to do a fuzzy string compare in c#? For example, comparing 'cat' to 'cats' would return something like a 90% match ratio. I was told that this type of fuctionality exists in Perl but I can't find anything about it in c#. Thanks Mike ...more >>

Is there a easy way to set the tab size in a multiline textbox object? For example, I want to change the tab character to be 4 spaces....more >>

In case someone is interested in getting free .NET tools, I wrote a small paper listing significant open source contributions to the .NET software development community. If you have not downloaded and tried these tools, you are probably stranded on a desert island, away from civilization. I...more >>

I have an assembly on a shared LAN drive. On my developer machine, I give that assembly full trust from the .NET wizard. It works fine. I go to a user machine on the LAN, map to the shared drive, give full trust on that machine but the assembly doesn't fully work. No errors. The assembly ...more >>

when System.Type.GetType("System.Boolean") works. Is there some way to get this type at runtime? Thanks,...more >>

I have an InMemory DataTable that I used as a datasource for my grid. I need to know how to interate through it. The onlione books say there exist a property called item on the DataRow but my C# intellisense doesn't show this. Here is the code so far. foreach(DataRow dr in dt.Rows) ...more >>

I need to encode varchar() types from SQL Server to ISO 8859 (western europe). What is the best way to do this? As an example, there are 100 rows with 10 columns each. All string types. Thanks, Brett ...more >>

Hi all: I'm using a Rich Edit Text box to display debug info for my app, I can't seem to make the control scroll down to the bottom autmatically whenever I append a new text string (AppendText()). Could someone point me in the right direction. Thanks Ed;;...more >>

I am attempting to handle an event when the Text changes in a ToolStripComboBox. I'm just not quite there yet, and hope you can help. Here's what I have: namespace Flash { class MyComboBox : ToolStripComboBox { private MyComboBox() { // Code to initialize drop...more >>

Im running XP Pro with SQL Server 2000 SP3 installed on my local machine. I've created a webpage that has a sqlConnection, sqlDataApdapter, a dataset, and a datagrid. I've gone though all the "wizard setup". But the data in my table doesnt show up in the datagrid when I run the page. Its...more >>

I have a web service that gets data from clients. It appears that each time a client connects to the webservice, a new connection/session is created on the server side (IIS 5.1). After 10 calls to the webservice, I start getting errors when connecting (too many connections). The client program h...more >>

I've created a RTF file using Microsoft Word. Within that file are internal hyperlinks to sections of the document. I'd like to use it as a help file. When I place the file into a RichTextBox control within a form the hyperlinks no longer work. Is there some way to allow these links to con...more >>

I have a console app that creates a file and I want to save it to the bin directory of the project. How can I have the file save there as default? My code looks like this: fileName.SaveAs("testfile.txt"); it's going to document settings -- my documents and saving it there. I need to s...more >>

Does anybody know how I can programmatically cause a textbox to lose focus and automatically jump to the next appropriate control. I have a custom textbox usercontrol whereby the requirement is to enable the user to jump around between controls by hitting the enter key instead of tab key or mo...more >>

If an exception occurs or is thrown in my constructor, what does the constructor actually return? A null? ...more >>

Hello, I am trying to follow along with Microsoft example of the different ways to create an excel file (http://support.microsoft.com/default.aspx?scid=kb;en-us;306023#12). The article tells me to create a reference to the "Net" component "ADODB". I see no name like this. I thought that t...more >>

I am beginning to learn C#. net after being in Powerbuilder for over 10 years. For those C# gurus who know Powerbuilder I have a couple of questions: Does a datawindow relate to a datagrid or is there something better? I have heard of something called 'WinForm'. Does that relate? Do you ...more >>

Hi all. Getting stright to the point Im trying to get and set my computers workgroup name but im having litle luck, i've tryed: Environment.UserDomainName Environment.MachineName but they only retreive the local machine name. Can anyone point me in the right direction. Thanks. P....more >>

Hi guys, can a hashtable be faster than a sql server?? i made my own O/R mapping with an "entity cache" (caching all mapped objects). So, when i get some data from my sql server, i map that data to an entity-object and i leave a copy of it in the entity cache. the entity cache is a simple...more >>

Hi, I have 2 forms. Form1 has a button which calls form2, but I need to know the value of the form1.textBox1.text. When I show form2, I try to use the code bellow: textBox1.Text = formst.textBox1.Text; but this generates error --> WindowsApplication1.frmdisplaystock.textBox1' is in...more >>

(Type your message here) -------------------------------- From: Soumya Roy Choudhury I have five column in a datagrid.I want to change the text color of all cell in first and fourth column.How do i do the same as written above? Thanks for Relye. Soumya ----------------------- Posted by ...more >>

Hi all, i'm creating an application in C#, using Window Forms. I want to include ".swf" (Macromedia Flash) files, to be shown in the application. We want to show differents flash animations depdnding on the data recieved from a file. My question is how to add this swf files to the form, and...more >>

Anyone know of anything more specific than the "second half" of the year?...more >>

Hi, If I make a control, I want to be able to make it so that various properties are not initialised by the designer. I realise that if you put [Browsable(false)] that it won't show up in the properties window... but for some reason the auto-generated code insists on initialising it anyway. T...more >>

Hi, I have a simple .aspx page where user enters data (e.g Name address, etc). At the end, he/she clicks Save button which Posts to the same page and in the Save button's click event I am saving the data into Database. Now after saving the details the same page gets rendered to the user. I...more >>

Semi OT I know but I want other programmers opinions, not DBA's. When storing class data in a database, do you use null or the default for the type if the field is empty. ie. class Foo int P1 string P2 Save() insert into FooTable (p1 value, p2 value) Load() get from FooTable p1, p...more >>

class Document { Hashtable Properties ; //Key is the property name } class Media { Document document; Status status string this[string propertyName] //Return property value from the document { } } I have a list of media and I would like to bind...more >>

Hi, how can i find out whether a object is a valid instance or not? I have a object called objCF (base class is a Form) and i want to find out whether this object is a valid insatnce or a null reference. This must be accomplished in C#... Thanks in advance... ...more >>

I use the following to output to the console during debugging: catch(Exception ex) { Debug.WriteLine("Error: " + ex.Message); } Many of the times on the console, the above is appended on the same line. Sometimes it goes on a new line. I don't have any thing in my code related to tr...more >>

I have a old C project that is to big to be converted to C# at once. So we are tinking of doing it step by step. Is it possible to execute a C# DLL function from C ? It is possible to execute a C function in C# but what about the other way? ...more >>

Hi, I'm needing to update an xml file by inserting a new node. First I need to load the xml into a XmlDocument from file. In the first run, the file won't exist and I will have to create a new XmlDocument. What is the best way to do this ? I'm thinking just catching an exception and b...more >>

Hi, I have some code I'm using in a CompactFramework project. The code works as expected on the CF, but when using this code on the FullFramework (FF) it does not work the way I want. It copiles ok, but the screendrawing is not working 100%. What the code is supposed to do: Draw recieved v...more >>

Hi, How can I use a .lib file made in c++ in my c# application thanks in advance Manoj ...more >>

Someone at work told me that he has estimated it is taking him 5 to 10 times longer to write an app as a web app instead of windows app. He's been working on it for 18 months and reckons he could write the whole thing again as a windows app in 6 weeks. Does this sound right? Note this is for a...more >>

Hi All, Can anybody provide me with a smart CSV , Tab Delimited Reader Thanx in Advance ...more >>

Hi, I am deriving a class from BoundColumn and I would like that the derived class will be serialized how can I do it? Thanks in advance. ...more >>

Hi, I am using database based authetication for users. Once a user is authenticated I am redirecting the user to a different page in the same folder. WHen I debug I keep end up going to "catch" and finally to the cached page. It steps through the catch but does not generate any error ...more >>