IList<int> List_Result = new List<int>();
for (int i = 1; i <= 100; i++)
{
List_Result.Add(3 * i);
}
string result = "";
foreach (int i in List_Result)
result += i.ToString() + ",";
result = result.Substring(0, result.Length - 1);
IList List_Result = new List();
for (int i = 1; i <= 100; i++)
{
List_Result.Add(3 * i);
}
string result = "";
foreach (int i in List_Result)
result += i.ToString() + ",";
result = result.Substring(0, result.Length - 1);
string result = string.Join(",",List_Result);代替拼接部分要简单点