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Read Text File, populate HTML TextArea

Posted on 2009-04-06
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Last Modified: 2012-05-06
I have a tab delimited text file.  I want to open up an HTML page and take this text file and populate a text area in that  HTML page. How do I go about doing this?
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Question by:MichelleLacy
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5 Comments
 
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Expert Comment

by:anarki_jimbel
ID: 24082039
Where is you file is located?

You can't read a file on a clien computer from the page (through code).
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Author Comment

by:MichelleLacy
ID: 24083290
The file will be saved in My Documents.
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LVL 30

Expert Comment

by:anarki_jimbel
ID: 24083775
OK, I don't understand. You want to OPEN a file on a client computer? Or you want to SAVE it?
Anyway, as I already told, keep in mind that you can't read/write files on a client computer.
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Author Comment

by:MichelleLacy
ID: 24085979
The program will run a user's computer.  The user has save a file in a specified format on their computer.  The program will look for this file, read the contents and paste it into a text area.  So let's say I am the user.   The text file is on my computer.  I have a text file with two columns.  I want to copy the contents of this file and paste it into a text area of an html page.
 
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Accepted Solution

by:
MichelleLacy earned 0 total points
ID: 24147748
I found the solution:
1st using C# FileStream open file, then read it:
FileStream fileStream = new FileStream(@"c:\file.txt", FileMode.Open, FileAccess.Read);
Then set up an event to copy the text to the clipboard Clipboard.SetText(txtClipboard.Text), then ...whatever.Text = Clipboard.GetText();

Finally I found a method in Javascript, but I bet you can do it in C# as well, buyt this seemed more straightforward.  Open the URL link, grab the text from the clipboard and paste into into the textarea of the html page
<script type="text/javascript">
function PasteFromClipboard()

{

   document.Form1.txtArea.focus();

   PastedText = document.Form1.txtArea.createTextRange();

   PastedText.execCommand("Paste");

}

</script>
 
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