2024 C# file readalllines used by another process

C# file readalllines used by another process

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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. 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 …

C# WriteLine : The process cannot access the file because it is …

WebThe 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. 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 … inaugural balls 2021

c# - How can I read a file even when getting an "in use by another ...

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. 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 … WebNov 9, 2012 · I'm trying to open a file using the System.IO.File.ReadAllLines () method. … inaugural boa offer triveni

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

WebApr 20, 2009 · use an overload of File.Open in your menuclick event handler like this: File.Open (@"C:\process.log", FileMode.Open,FileAccess.ReadWrite, FileShare.ReadWrite); The last param is a value specifying the type of access other … inches poucesWebAug 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 ... inches pounds to foot pounds

"WebJun 14, 2024 · ReadLine () will give you a string and if you write .Select (), inside which you are basically iterating through each character, so you cannot use Split as extension method for a char. Try to read all lines by using ReadAllLines () or ReadLines (), try to put it in a string array and then you can use the .Select () in your code to peform … " - C# file readalllines used by another process

C# file readalllines used by another process

c# - File used by another process - Stack Overflow

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 … WebFile.ReadAllLines () cannot access the file when it is open for writing in another application but you can use a FileStream and StreamReader instead. Replace string [] content = File.ReadAllLines (e.FullPath); with the following code and you should be able to read the contents of the file regardless of whether it is open in another application:

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WebSep 8, 2014 · 1 Answer. File.ReadAllLines is not lazy loaded, it loads all into memory. If you want to use LINQ's deferred execution you can use File.ReadLines instead: var fileLines = File.ReadLines (filePath) .Where … WebJul 5, 2024 · Each element // of the array is one line of the file. string [] logs = System.IO.File.ReadAllLines (path); string [] confFile = System.IO.File.ReadAllLines (this.confPath); // read each line of the log file foreach (string log in logs) { if (log.Contains ("ERROR")) { nextLine = index + 1; descriptionLine = index + 2; firstLine = log; …

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. 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 … WebOct 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 (); } }

WebApr 30, 2024 · 1) Check you code for reading the file - if you use any streams or other …

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 … inaugural baseball hall of fame classWebApr 5, 2024 · 1 Answer. Sorted by: 0. The streamwriter is opening the file. TextWriter txt = new StreamWriter (fullPath, true) Then it is attempted to open again here. readFileIO (pathName, fileName); You'll need to either pass the … inaugural beatsWebJul 27, 2012 · 8. You must to close your file after using it on your code: FileStream file = new FileStream (fileName, FileMode.Open, FileAccess.Read); //file is opened //you use the file here file.Close (); //then you must to close the file. Share. Improve this answer. inches pra cmWebc#.net language-agnostic ioexception 本文是小编为大家收集整理的关于 IOException。该进程不能访问文件'文件路径'，因为它被另一个进程使用了的处理/解决方法，可以参考本文帮助大家快速定位并解决问题，中文翻译不准确的可切换到 English 标签页查看源文。 inches prefixWebApr 5, 2012 · After several times accessing/reading the file, suddenly this message appears the process cannot access the file because it is being used by another process.. I've checked for several times, but there's not other process attached to it. Here are my code.. inaugural breakthrough meanWebFeb 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 ... inches print outWebJul 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: " + … inches preklad