本文介绍了一种使用C#将字符串数组转换为整数数组的方法，并演示了如何利用LINQ查询语法从集合中筛选特定元素的过程。
string id = "58,59";
string[] fz = id.Split(new char[]{','},StringSplitOptions.RemoveEmptyEntries);
int[] num = Array.ConvertAll<string, int>(fz, delegate(string s) { return int.Parse(s); });
var i = from a in DataClass2.aa
where num.Contains(a.Id)
select a;
foreach (var ii in i)
Console.WriteLine(ii.name);
string[] fz = id.Split(new char[]{','},StringSplitOptions.RemoveEmptyEntries);
int[] num = Array.ConvertAll<string, int>(fz, delegate(string s) { return int.Parse(s); });
var i = from a in DataClass2.aa
where num.Contains(a.Id)
select a;
foreach (var ii in i)
Console.WriteLine(ii.name);
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