user710502 user710502 - 2 months ago 36
ASP.NET (C#) Question

convert from physical path to virtual path

I have this function that gets the fileData as a byte array and a file path. The error I am getting is when it tries to set the fileInfo in the code bewlo. It says 'Physical Path given, Virtual Path expected'

public override void WriteBinaryStorage(byte[] fileData, string filePath)
{
try
{
// Create directory if not exists.
System.IO.FileInfo fileInfo = new System.IO.FileInfo(System.Web.HttpContext.Current.Server.MapPath(filePath)); //when it gets to this line the error is caught
if (!fileInfo.Directory.Exists)
{
fileInfo.Directory.Create();
}

// Write the binary content.
System.IO.File.WriteAllBytes(System.Web.HttpContext.Current.Server.MapPath(filePath), fileData);
}
catch (Exception)
{
throw;
}
}


When debugging it, is providing the filePath as
"E:\\WEBS\\webapp\\default\\images\\mains\\myimage.jpg"
. And the error message is

'E:/WEBS/webapp/default/images/mains/myimage.jpg' is a physical path, but a virtual path was expected.


Also, what it is triggering this to happen is the following call

properties.ResizeImage(imageName, Configurations.ConfigSettings.MaxImageSize, Server.MapPath(Configurations.EnvironmentConfig.LargeImagePath));

Answer

If you already have a physical path, it doesn't make sense to call Server.MapPath.

You're calling MapPath twice.

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