How to sort data sources with Linq

This article mainly explains "how to sort data sources by Linq". The content in the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "how to sort data sources by Linq".

The Linq sorting code is as follows:

It's mainly this sentence.

Var S1 = (from r in dt.AsEnumerable () orderby r.Field ("compliance rate") descending select r.Take (num) .ToArray ()

Convert the result of Linq sorting to an array

Array list = s1.ToArray (); List objindex = new List (); for (int k = 0; k < list.Length; kits +) {/ / formatted into a fixed DataRow and inserted into the class objindex.Add (new Index_ShowField ((DataRow) ((System.Data.DataRow []) S1) [k])) [0] .ToString (), (DataRow) ((System.Data.DataRow []) S1) [k])) [3] .ToString ()) } DataTable dtNew = new DataTable (); dtNew.Columns.Add ("code name"); dtNew.Columns.Add ("compliance rate")

Build the required DataTable based on the created class

Foreach (Index_ShowField objfield in objindex) {DataRow dr = dtNew.NewRow (); dr [0] = objfield.Name; dr [1] = objfield.Per; dtNew.Rows.Add (dr);} return dtNew Thank you for reading, the above is the content of "how to sort data sources by Linq". After the study of this article, I believe you have a deeper understanding of how to sort data sources by Linq, and the specific use needs to be verified in practice. Here is, the editor will push for you more related knowledge points of the article, welcome to follow!