.NET 基础

string[]转int[] 

string idList="7,8,9,10"

//C# 3.0下用此句

int[] intArray = Array.ConvertAll<string, int>(idList, s => int.Parse(s));

//2.0下用以下的语句替换上例。
intArray = Array.ConvertAll<string, int>(idList, delegate (string s) { return int.Parse(s); } );