Read text file into string vb.net




















Show "Test 2 successful. Show "Test 2 unsucessful. Warning End If ' ' ' Test returning a string array from the remote URL which includes all blank lines. ResultantStringArray sw. Show "Test 3 successful. Show "Test 3 unsucessful. Warning End If ' ' ' Test returning a string array from the remote URL which excludes all blank lines.

Show "Test 4 successful. Show "Test 4 unsucessful. Warning End If ' ' ' Test returning a string of ALL TEXT from the remote URL which includes all blank ' lines the only option for this type. ResultantEntireText sw. Show "Test 5 successful. Show "Test 5 unsucessful. Add itm End If Else retVal. How to actually read it and pass it.

Ask a question. Quick access. Search related threads. Remove From My Forums. Once you have a line of text in your variable, though, it's up to you to parse it.

For example, suppose the line of text coming in from the text file was this:. You would then have to chop the line down and do something which each segment. VB won't do this for you! But you saw how to do this in the last section, when you used things like Split and Substring. But what you are doing in the Do Loop is building up your variable with lines of text that are pulled from your text file. Once you have pulled all the text from your file, you can then put it into the text box.

Here's our programme once more:. So inside the loop, we go round building up the TextLine variable. Finally The String data is printed to the screen with the Console. WriteLine subroutine. What should you do if you want to read in a file line-by-line instead of storing the entire thing in a String? The StreamReader type is ideal for this purpose.

We can use its ReadLine Function. Note You can read a specific article on StreamReader, and also check out more general file handing tips in the VB. NET language. The File.



0コメント

  • 1000 / 1000