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C# file readalllines used by another process

WebJan 2, 2014 · Here you have only shown how you are reading from it: String [] JSLines = System.IO.File.ReadAllLines (Server.MapPath ("folder/r.js")); but it's usually the code that's opening the file for writing that might be poorly written and lock it. Also if this is inside a web application you should synchronize the access to those files. WebApr 30, 2024 · 1) Check you code for reading the file - if you use any streams or other …

c# - The process cannot access the file

WebNov 17, 2016 · File is being used by another process C# The process cannot access the file ''' because it is being used by another process Googling the issue using filestreams in multiple ways c# file remote-desktop Share Improve this question Follow edited May 23, 2024 at 12:25 Community Bot 1 1 asked Oct 17, 2012 at 20:20 toosweetnitemare 2,186 … WebMar 18, 2012 · using (var fs = new FileStream (path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite)) using (var sr = new StreamReader (fs, Encoding.Default)) { // read the stream //... } Guessing at the Encoding here. You have to be careful with this kind of code, the other program is actively writing to the file. leaflets from the danish west indies https://scruplesandlooks.com

c# - File is being used by another process - Stack Overflow

WebSep 2, 2015 · Cannot access file as it been used by other process. My code: using System.IO; string path = dt.Rows [i] [11].ToString (); string [] lines = System.IO.File.ReadAllLines (@path); path has "E:\Metertxt\02.txt" So what changes I need to make in order to read it without interfering with modscan. WebThe same applies to all File functions that don't return a handle to the file you're working with: File.ReadAllText(), File.WriteAllText(), File.ReadAllLines(), File.WriteAllLines() and others (like File.AppendAllXyz() functions) will all open and close the file by themselves. leaflets in health education

C# File.Read Error: File already in Use by other process

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C# file readalllines used by another process

FileSystemWatcher C# - cannot access file because it is being used …

WebAug 12, 2015 · var lines = File.ReadAllLines (myFileName); if (lines [0] != null) { //does a few things File.WriteAllLines (myFileName, lines); } While this worked fine at first, recently it has given me an exception due to the file being used by … WebJul 8, 2014 · string file = Path.Combine (Path.GetDirectoryName (Application.ExecutablePath),"Settings.txt"); // First read the two lines in memory string [] lines = File.ReadAllLines (file); // then use the StreamWriter that locks the file using (StreamWriter sw = new StreamWriter (file)) { lines [2] = "TimeSinceResart: " + …

C# file readalllines used by another process

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WebJun 4, 2024 · Listing 1. Logic to load and process the CSV file. Load the source data. The lines from the CSV file are loaded via the ReadAllLines method, and then LINQ is used to perform the following steps: Skip the first line from the file, the column headers. Select the lines and Split each on the comma separator, transforming the results into an array. WebAug 15, 2015 · 0. To read a file line by line try the following: using (var reader = new StreamReader (path)) { string line; while ( (line = reader.ReadLine ()) != null) { // do something with the line that was just read from the file } } // At this stage you can safely delete the file File.Delete (path); or if the file is small you can even load all the ...

WebSep 15, 2024 · So release the file handles first. if (File.Exists (@"C://A1//AccNum.txt")) { // file is your StreamReader. file.Close (); file.Dispose (); File.Delete (@"C://A1//AccNum.txt"); } Also note that you're opening same file 2 or multiple times if accountVar is … WebFeb 14, 2024 · 2. In your code, you don't do anything with the IsFileInUse result. This File.Create (file ).Close (); will also not close a file that is opened by another process. You need to close the process that has the file open, and if it is your own app, close the file handle before trying to delete the file. bool checking = IsFileInUse (file ); File ...

WebNov 9, 2012 · I'm trying to open a file using the System.IO.File.ReadAllLines () method. … WebDec 4, 2014 · The method updateSQLScript (filename) only does the following: string [] arrLine = File.ReadAllLines (clsConstants.PATH_TO_SQL_SCRIPT); arrLine [9] = String.Format ("FROM ' {0}'", filename); //THIS IS WHERE THE EXCEPTION IS THROWN THE SECOND TIME I CLICK THE BUTTON File.WriteAllLines …

WebThe same applies to all File functions that don't return a handle to the file you're working …

WebFeb 13, 2024 · The first statement returns a task and causes file processing to start. The second statement with the await causes the method to immediately exit and return a different task. When the file processing later completes, execution returns to the statement that follows the await. Read text. The following examples read text from a file. Simple … leaflets gcse englishWebThe StreamReader () constructor uses FileShare.Read and doesn't have an option to use a different value. Using the StreamReader (Stream) constructor is instead is indeed the workaround. Beware however that this sharing mode also has implications for your code. You cannot predict when the other process flushes the file. leaflets functional skillsWebOct 5, 2012 · public string [] WriteSafeReadAllLines (String path) { using (var csv = new FileStream (path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite)) using (var sr = new StreamReader (csv)) { List file = new List (); while (!sr.EndOfStream) { file.Add (sr.ReadLine ()); } return file.ToArray (); } } leaflets of philippine botany