How to Conditionally Format a String in .Net?

Question

I would like to do some condition formatting of strings. I know that you can do some conditional formatting of integers and floats as follows:

Int32 i = 0;
         


        

Answer 1

string.Format(  (items.Count > 0 ? "Items: {0}; " : "") + "Values {1}"
              , itemList
              , valueList);