linq - LINQ Where condition against datatable

Question

I have a DataTable. I would like to filter DataRows where City = "Hongkong".

How to apply LINQ against DataRow?

Answer 1

 var result = dr.Where(r => r.Field<string>("City") == "Hongkong");

Answer 2

您可以使用以下查询

var filter = testTable.AsEnumerable().
                       Where(x => x.Field<string>("City") == "HongKong");

Answer 3

使用LINQ to DataSets，您可以执行以下操作：

DataTable table;

var rows =
    from row in table.AsEnumerable()
    where row.Field<string>("City") == "Hongkong"
    select row;