Google Drive folder delete in name textbox13.text

Question

Hello, 

Delete files by name in textbox google drive c#

my this code;

 

private void folderdel()

{

UserCredential credential;

credential = GetCredentials();

var service = new DriveService(new BaseClientService.Initializer()

{

HttpClientInitializer = credential,

ApplicationName = ApplicationName,

});

service.Files.Delete(textBox13.Text).Execute();

}

 

"" error : file not found ?????