C# windows form check if file exists

For examples of acceptable paths, see File. To check if a directory exists, see Directory. Be aware that another process can potentially do something with the file in between the time you call the Exists method and perform another operation on the file, such as Delete. The path parameter is permitted to specify relative or absolute path information. Relative path information is interpreted as relative to the current working directory.

To obtain the current working directory, see GetCurrentDirectory. If path describes a directory, this method returns false. Trailing spaces are removed from the path parameter before determining if the file exists.

Asked 5 years, 1 month ago. Active 5 years, 1 month ago. Viewed 7k times. Exists Path. GetDirectoryName Application. Jim 2, 1 1 gold badge 18 18 silver badges 29 29 bronze badges.

Ops Ops 85 2 2 silver badges 8 8 bronze badges. Possible duplicate of How to detect if a file exist in a project folder? Combine instead of concatenating the path — ColinM.

Add a comment. Active Oldest Votes. That's even documented: The string returned by this method consists of all characters in the path up to but not including the last DirectorySeparatorChar or AltDirectorySeparatorChar Use Path. To check whether the path contains any invalid characters, we can call the GetInvalidPathChars method to retrieve the characters that are invalid for the file system.

For examples of acceptable paths, see File. File Class The File Class is Provides static methods for the creation, copying, deletion, moving, and opening of a single file, and aids in the creation of FileStream objects. Syntax [System. ComVisible true ] Public static class File Example The following example demonstrates how to use the File class to check whether a file exists in File class, and depending on the result, either create a new file and write to it or open the existing file and read from it.

Using System; Using System. WriteLine "Hello" ; sw. WriteLine "And" ; sw. Exists String Method The Directory. Exists is Determines whether the given path refers to an existing directory on disk. Syntax public static bool Exists string path ; Example. View All.

Check if a File Exists in C. Dinesh Beniwal Updated date Jan 07, Here is what I came up with as a result of your help Arthur. Thank you!! WriteLine ex. Split " ". ReadLine ; if lsdirectory! Show ex.

Monday, November 25, PM. GetFiles Dts. Show "There are outbound files. I tried that code IsNullOrEmpty x. Join Environment. Thursday, November 21, PM.