want the single record

List recordobject =new List ();

1) way

var firstrecord=recordobject.FirstOrDefault();

2) var firstrecord=recordobject[0];

Hello Mohd Aamir

Please check these Links

https://stackoverflow.com/questions/47314551/how-can-i-display-the-single-record-from-a-list-of-records

https://stackoverflow.com/questions/7809745/linq-code-to-select-one-item

https://www.codeproject.com/Questions/596728/selectplusaplussingleplusvalueplusfromplusapluslis

https://codereview.stackexchange.com/questions/72034/return-a-list-of-values-from-a-single-column-in-a-datatable

in which event u try to retrive the data from the list ?