How to use Model data in String.Format?

Question

I'm trying to display every images in specific folders based on the folder name which equivalent to Model.Id.

@foreach (var imgPath in Directory.GetFiles(Server.MapPath("~/menu/" + Model.Id), "*.jpg"))
   {
         var img = new FileInfo(imgPath);
         <img src="@Url.Content(String.Format("~/menu/449/{0}", img.Name))" />
   }

In the last line, 449 is the folder name. How can I use Model.Id to replace 449? I'm not sure how to do that using String.Format

Igor · Accepted Answer · 2016-12-05 14:26:10Z

3

@foreach (var imgPath in Directory.GetFiles(Server.MapPath("~/menu/" + Model.Id), "*.jpg"))
   {
         var img = new FileInfo(imgPath);
         <img src="@Url.Content(String.Format("~/menu/{0}/{1}", Model.Id, img.Name))" />
   }

With string.Format you use numeric placeholders that match the position of the parameter included after the string. {0} is the 1st parameter, {1} the second and so on.

answered Dec 5, 2016 at 14:26

Igor

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2 Comments

jenna_3108 Over a year ago

Ha! It's simple as that! Thank you so much! :D

Igor Over a year ago

@jenna_3108 - Glad it worked. Please consider accepting an answer (see How to accept SO answers) once the 15 minutes period has expired.

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