WoreTime 计算单词出现的次数

string text = @"var query = from info in infoList
where info.AuditFlag == null || info.AuditFlag == false
join emp in empList
on info.SaleMan equals emp.EmployeeCode
join house in houseList
on info.WareHouse equals house.WareHouseCode
join client in clientList
on info.ClientCode equals client.ClientCode
join dictPayMode in dictList
on info.PayMode equals dictPayMode.ValueCode
where dictPayMode.TypeCode == 'PayMode\'
join dictInvoiceType in dictList
on info.InvoiceType equals dictInvoiceType.ValueCode
where dictInvoiceType.TypeCode == 'InvoiceType'
select new
{
id = info.ID,
SaleBillCode = info.SaleBillCode,
SaleMan = emp.Name,
SaleDate = info.SaleDate,
Provider = client.ShortName,
WareHouse = house.ShortName,
PayMode = dictPayMode.ValueName,
InvoiceType = dictInvoiceType.ValueName,
InvoiceCode = info.InvoiceCode,
AuditFlag = info.AuditFlag
};";
//按单词转换为数组
string[] allWords = text.Split(new char[] {'.','?','!',' ',';',':',',' },
StringSplitOptions.RemoveEmptyEntries);
//去掉单词数组中重复的单词
string[] distinctWords = allWords.Distinct().ToArray<string>();

int[] counts = new int[distinctWords.Length];
//遍历每个单词
for (int i = 0; i<distinctWords.Length; i++)
{
string tempWord = distinctWords[i];
//计算每个单词出现的次数
var query = from item in allWords
where item.ToLower() == tempWord.ToLower()
select item;
counts[i] = query.Count();
}
//输出词频统计结果
for (int i = 0; i < counts.Count(); i++)
{
Response.Write(distinctWords[i] + "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;" + counts[i].ToString() + "<br/>");
}