Write to a file in vb net

How to: Append to Text Files Demonstrates how to append text to a text file. How to: Write to Binary Files Demonstrates how to write to a binary file. StreamWriter object. FileSystem Describes the My.

FileSystem object and its methods and properties. Reading from Files Explains how to perform tasks that involve reading from files. Creating, Deleting, and Moving Files and Directories Explains how to perform tasks that involve creating, deleting, moving, and renaming files and directories. Storing Data to and Reading from the Clipboard Explains how to perform tasks that are associated with My.

The path exceeds the system-defined maximum length PathTooLongException. A file or directory name in the path contains a colon : or is in an invalid format NotSupportedException. The user lacks necessary permissions to view the path SecurityException.

If you are running in a partial-trust context, the code might throw an exception due to insufficient privileges. For more information, see Code Access Security Basics. Skip to main content. This browser is no longer supported. Download Microsoft Edge More info. Active Oldest Votes.

Open strFile, FileMode. OpenOrCreate sw. Rubens Farias Rubens Farias Fixed for VB and to properly dispose the stream. That doesn't write the "Start Error Log for today" message when the file is created, so it doesn't do the same as the original code would.

Shouldn't FileMode enum be Append? According to msdn. Show 2 more comments. Joel Coehoorn Joel Coehoorn k gold badges silver badges bronze badges. Yes, of course you can make the code shorter if you remove functionality. Now End Using. Espo Espo CreateText strFile sw.

AppendText strFile End If sw. Guffa Guffa k gold badges silver badges bronze badges. Why not just use the following simple call with any exception handling added? If File. Exists strFile File. AppendAllText strFile, String. Today, Environment. NewLine Else File.

NewLine, Date. Today End If. Joel Coehoorn -Can we chalk it down to being Friday! Exists filePath Then writer. Now Else writer.