linq查询找不到特定列表中的对象索引 [英] linq query does not find the index of object from a particular list

问题描述

我有一个学生类型列表。我想从学生列表中针对studentID搜索目标学生。我的代码片段如下：

I have a list of student type.I want to search intended student from the student list against studentID. My code snippet is given below

int index = StudentList.FindIndex（x => x.studentID == studId）;

int index = StudentList.FindIndex(x => x.studentID == studId);

执行后Linq查询，我在学生列表中有200条记录，当它在studentList上应用搜索条件时，它会返回我意想不到的结果 

After execution of Linq Query ,I have 200 records in the student list when it applying the searching criteria on studentList it returns me unexpected results 

推荐答案

您能否提供预期和实际结果？

Can you please proivde the expected and actual result?

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