This Isn't without cost, birli it means you need either a new connection to do another DB request in parallel or a MARS connection. Too much for a comment really In case of IEnumerable, only lines up to the element of interest will be read from the file. In case https://miloiszej.onesmablog.com/en-iyi-tarafı-c-ienumerable-kullanımı-68415943