Modified models.py

widget_CtrlF/dashboard/models.py

 from django.db import models
+from django.urls import reverse
 
 
 class Department(models.Model):
@@ -17,3 +18,6 @@ class WidgetUser(models.Model):
 
     def __str__(self):
         return '{}, {} {}'.format(self.last_name, self.first_name, self.middle_name)    
+    
+    def get_absolute_url(self):
+        return reverse('dashboard:widgetuser-details', kwargs={'pk': self.pk})
\ No newline at end of file