Question

foreach (var book in query)
{
   Response.Write(book.Title);
   foreach (var author in book.Authors)
   {
      Response.Write(" , "+author.FirstName +" "+ author.MiddleInitial + 
         " "+  author.LastName );
   }
}

Right now I am printing the Book Title : All author names with a “,”.

I would like print : (If they have more than one author separate each author with a “,” (done) and add “AND” to the last author name – If they don’t have more than one author no “, is required.

How can I do that??

Answer 1

You would be better of building the string first, and then writing it to the screen outside of the loop. I would suggest using a StringBuilder for this.

To use the StringBuilder class, you’ll need to import the System.Text namespace:

using System.Text;

And here is some sample code to demonstrate:

var builder = new StringBuilder();

foreach (var author in book.Authors)
{
    //if the string already contains data append a comma
    if (builder.Length > 0)
        builder.Append(", ");

    //append the author to the string
    builder.AppendFormat("{0} {1} {2}", author.FirstName, author.MiddleInitial, author.LastName);
}

Response.Write(builder.ToString());