c# 占位符对应的数组元素赋值

var array = new int[] { 1, 2, 3 };
string formatString = "Element 1: {0}, Element 2: {1}, Element 3: {2}";
string result = string.Format(formatString, array[0], array[1], array[2]);
Console.WriteLine(result);
 
result = string.Format(config.Expression, dlist.ToArray());