Convert List into Comma-Separated String

Enjoy!

Console.WriteLine(String.Join(",", new List<uint> { 1, 2, 3, 4, 5 }));

First Parameter: ","
Second Parameter: new List<uint> { 1, 2, 3, 4, 5 })

String.Join will take a list as a the second parameter and join all of the elements using the string passed as the first parameter into one single string.

You can use String.Join method to combine items:

var str = String.Join(",", lst);

Using String.Join

string.Join<string>(",", lst );

Using Linq Aggregation

lst .Aggregate((a, x) => a + "," + x);