过滤IQueryable，不区分大小写。

Question

IQueryable<MyModel> myList = GetListMyModel().AsQueryable();
myList = myList.Where(m => m.Name.Contains('John'));

我想用Name ='John'或'john'或'JOHN'（不区分大小写）返回所有内容

Answer 1

您可以将所有内容转换为小写过滤器，例如

IQueryable<MyModel> myList = GetListMyModel().AsQueryable();
myList = myList.Where(m => m.Name.ToLower().Contains("John".ToLower());

或使用

IQueryable<MyModel> myList = GetListMyModel().AsQueryable();
myList = myList.Where(m => m.Name.IndexOf("John",StringComparison.OrdinalIgnoreCase) != -1);

Answer 2

myList = myList.Where(m => m.Name.ToLowerInvariant().Contains("John".ToLowerInvariant()));