For example, if you had a file containing a list of 2,000 numbers, and you wanted to add them together, you could: Call File.ReadAllText to read everything into a string and then parse through that string to compute the sum. Or you could create a StreamReader and read a few bytes at a time, computing the sum as you go. I have a text file name list.txt which contains data like following. Read text file through stream reader. Try mystream.readtoend().

I have a text file name list. 50 Cent Bulletproof Psp. Password Ets 2 Full Game 2012 more. txt which contains data like following; AC-No. Assuming 1) you have shown a file with fixed column widths, 2) you will need the time as a DateTime rather than a string and 3) that AC-No.

Reading from textfiles in Vb.net with. 'Trying to read from text files and then calculate. With the StreamReader object, you can then read the file. Let’s see how to open a text file for reading: Dim oFile as System.IO.File Dim oRead as System.IO.StreamReader oRead = oFile.OpenText(“C: sample.txt”) Writing to a text file The methods in the System.IO.StreamWriter class for writing to the text file are Write and WriteLine.