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SaveFileDialog dlg = new SaveFileDialog();
dlg.Filter = "Text Files|*.txt|Comma Seperated Files|*.csv|All Files|*.*";
dlg.InitialDirectory = @"C:\";
if (dlg.ShowDialog() == DialogResult.OK)
{
using (System.IO.StreamWriter writer = new System.IO.StreamWriter(dlg.FileName))
{
writer.Write(txtContent.Text);
writer.Flush();
}
}
The Filter property is a pipe (vertical bar) separated list of file type descriptions and file type filters that must be paired. So in the above example, when the Save File Dialog is shown, the 'File Types' drop down will contain 3 entries: one for Text Files, which will expect a .txt extension, one for Comma Seperated Values, which will expect a .csv extension, and one for All Files, which will take any extension. The OpenFileDialog class works in the same way.
Kyosa Jamie Nordmeyer - Taekwondo Yi (2nd) Dan
Portland, Oregon, USA
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Thanks, this has really helped me, codeproject is awesome 
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No problem. And yes it is!
Kyosa Jamie Nordmeyer - Taekwondo Yi (2nd) Dan
Portland, Oregon, USA
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How do you learn stuff like that, have you got books? If so, can you recommend any good ones?
Thanks.
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Part of it is from books, part of it is from shear experience in the work force. I've been writing software, both Windows and Web for quite a while now, and these are just the sort of things you tend to pick up. Your best bet for learning the framework stuff is to pick an applicaiton, and make your own version of it, simply for the learning experience of how to do it. A notepad clone, with a multi-document interface, toolbars, a status bar, menus, context menus, file opening and saving, and any other features you can think of. Start with small pieces, and work your way up.
You can also jump over to Amazon.com and do a search for Beginning C#. There's a ton of books available, some better than others, so make sure to read the buyer comments before making a purchase.
Also, this site here truly is a wonderful resource, and if you're new to it, you should become as familiar with it as possible. If you can't find what you're looking for in an article, then by all means, post a question in the forum. Just make sure it's the correct forum if you don't want to get flamed.  Folks here may not always have the correct answer, but chances are that someone can atleast point you in the right direction.
Kyosa Jamie Nordmeyer - Taekwondo Yi (2nd) Dan
Portland, Oregon, USA
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Lol ok, thanks mate. A text editor is actually what I am trying to create. Somewhere else in the forum a guy said he needed to make a text editor for a project at a training place or something, so I wanted to see if I was up to it. Thanks for the Save part of it, I'll just try and work out the Open and other stuff part.
Im sure it will be pretty similar.
Thanks.
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Yeah, very similar. The difference is more how it's used than in how it's coded. And again, don't be afraid to ask questions. As long as the questions are like "How do you use the SaveFileDialog control?", and not "Can someone give me the sourcecode for a FTP Program", you'll do fine.
Kyosa Jamie Nordmeyer - Taekwondo Yi (2nd) Dan
Portland, Oregon, USA
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How do you work out that kind of thing? Have you got books? If so, can you recommend any?
Thanks.
(sorry if this has double posted, something up with my connection)
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You can also follow the simpler code like this if you are using .NET 2.0 (VS 2005)
SaveFileDialog dlg = new SaveFileDialog();<br />
dlg.Filter = "Text Files|*.txt|Comma Seperated Files|*.csv|All Files|*.*";<br />
if (dlg.ShowDialog() == DialogResult.OK)<br />
{<br />
File.WriteAllText(dlg.FileName, txtContent.Text); <br />
}
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Hmm. I've never called this method before. It must call Flush internally. I've had mixed results closing or disposing the StreamWriter class without flushing first.
Thanks for the tip. 
Kyosa Jamie Nordmeyer - Taekwondo Yi (2nd) Dan
Portland, Oregon, USA
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hi,
when use the code given by you it saves a file but unfortunately it saves it without newline characters ie.,. I want to save my work as it is displayed in the multiline text box.can you help me please
Don't wait to hear a word of thanks from anybody when you help them instead ask them to help three other people and ask them to continue in chain.
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Are you writing each line on its own using the StreamWriter.Write method, or are you writing the entire contents of the textbox to the Write method? If you're writing each line on its own, then you need to use WriteLine, not Write.
Kyosa Jamie Nordmeyer - Taekwondo Yi (2nd) Dan
Portland, Oregon, USA
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I'm trying to create a restaurant point of sale system that has the ability to send messages (xml files) over a LAN. Basically I would like to send orders from a front desk/dining area to the kitchen. Can someone please point me in the general direction of what to look up in order to do so? I'm not familiar with LAN stuff at all...
Thanks
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thank you sir
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I totally agree, because someone said, how do I create a text editor it made me actually think about making one myself, and by asking specific questions, I got specific answers. So, yeah do not just ask for something. Analyze the problem, think about what you want it to do, try and figure things out (Microsoft Visual C# 2005 is great for this, if you hover over functions) then if you still have no idea, post a specific question.
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mmmm buddy, I think you should really be using a database, instead of "sending" orders to the kitchen
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WCF (or if you have to use old stuff: a WebService). Remoting is a posible solution if you want to add complexity and remove flexibility.
The database is obviously something that could be used on the server (kitchen side in your example I guess), though for a small test example storing XML will probably do. If you use a database, access it from business logic on the server side, do not access it directly from the client side.
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There has been an alarming amount of questions from people who want others to do their (home)work for them. They put zero effort into solving, or even understanding, the problem themselves.
If someone does not attempt to solve their problem themselves, please DO NOT HAND FEED them the answer. The question "Can you send me code" has been used way too many times without any effort on their part.
By all means point them in the right direction, but do not do their homework for them.
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Well said, got my 5....
.... but so many people have posted exactly the same thing and it just doesnt sink in. 
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Agreed entirely.
Kyosa Jamie Nordmeyer - Taekwondo Yi (2nd) Dan
Portland, Oregon, USA
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OK, this regular expression works great with the System.Text.RegularExpressions.Regex object:
^\d{3}(-?)\d{2}\1\d{4}$
but bombs out when used with Javascripts (IE7) RegExp object. I'm not using any options (multiline, ignoreCase, etc.). Has anybody heard of issues with the IE 7 Javascript engine having issues with back references, or any other weird regex stuff?
Kyosa Jamie Nordmeyer - Taekwondo Yi (2nd) Dan
Portland, Oregon, USA
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have you used the @ setting for the string or quallified the slashes?
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The @ setting doesn't matter in my case, as the Regex string is being written to client script for use by the Javascript RegExp object. Thanks for the thought, though. No, that's always the first thing I check. This was just me being a bone head and forgetting to use \\ instead of \. D'Oh!!! 
Kyosa Jamie Nordmeyer - Taekwondo Yi (2nd) Dan
Portland, Oregon, USA
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