Value.که میزنم ارور میده                                                                                 

Severity Code Description Project File Line Suppression State

Error CS1061 'DomainUpDown' does not contain a definition for 'value' and no accessible extension method 'value' accepting a first argument of type 'DomainUpDown' could be found (are you missing a using directive or an assembly reference?) MyCantacts C:\Users\MG\Desktop\c#\part1 - Copy (14)\MyCantacts\MyCantacts\frmUpdateAndEdite.cs 39 Active