获取包含特定值的数据表列的计数

Question

How to get the total of specific column contains with specific string drom datatable.

I followed as like below but not getting :

int count = _dt.AsEnumerable().Where(c => c.Field<string> 
("EffectiveShow").Equals("0")).count;

There "EffectiveShow" is my column name. In that column I need the count of string "0".

Answer 1

尝试这个;

int count = _dt.AsEnumerable().Where(c => c["EffectiveShow"].ToString()=="0").ToList().Count;