using System.IO;

Does file exist?

	if (File.Exists("c:\\temp.txt"))

Delete File

	try
	{
		if (File.Exists("c:\\temp.txt"))
			File.Delete("c:\\temp1.txt");
	}
	catch (IOException )
	{
		System.Diagnostics.Debug.WriteLine("This file is in use by another application - please close it first");
	}

or

	try
	{
		if (File.Exists("c:\\temp.txt"))
		{
			//If file has read only attribute set clear it so that delete can occur
			if ((File.GetAttributes("c:\\temp1.txt") & System.IO.FileAttributes.ReadOnly) == System.IO.FileAttributes.ReadOnly)
				File.SetAttributes("c:\\temp1.txt", System.IO.FileAttributes.Normal);

			File.Delete("c:\\temp1.txt");
		}
	}
	catch (IOException )
	{
		System.Diagnostics.Debug.WriteLine("This file is in use by another application - please close it first");
	}

Get Filename Without Path or Extension

	sTemp = Path.GetFileNameWithoutExtension(MyFilename)