/// <summary>
/// Determines whether file with specified extension can be uploaded.
/// </summary>
/// <param name="extension">File extension to check</param>
protected bool IsExtensionAllowed(string extension)
{
if (string.IsNullOrEmpty(AllowedExtensions))
{
return(true);
}
// Remove starting dot from tested extension
extension = extension.TrimStart('.').ToLowerCSafe();
string extensions = ";" + AllowedExtensions.ToLowerCSafe() + ";";
return((extensions.Contains(";" + extension + ";")) || (extensions.Contains(";." + extension + ";")));
}
