How to convert a column of DataTable to a List

I do just like below, after you set your column AsEnumarable you can sort, order or how you want.

 _dataTable.AsEnumerable().Select(p => p.Field<string>("ColumnName")).ToList();

1.Very Simple Code to iterate datatable and get columns in list.

2.code ==>>>

 foreach (DataColumn dataColumn in dataTable.Columns)
 {
    var list = dataTable.Rows.OfType<DataRow>()
     .Select(dataRow => dataRow.Field<string> 
       (dataColumn.ToString())).ToList();
 }