相关疑难解决方法(0)

我正在做如下的事情..

querybuilder = ("SELECT Type, Text FROM [Element] WHERE Id IN( ");
foreach (var item in CaseIdList)
{
   querybuilder += item + ",";
}
querybuilder += ")";

在最后一个insdie关闭括号我得到一个逗号.如何删除.