..

Project/_Common/fAddNewUser.cs

@@ -213,8 +213,16 @@ namespace Project._Common
 
             }
 
+            try
+            {
                 db.SaveChanges();
                 this.DialogResult = DialogResult.OK;
+            }
+            catch (Exception ex)
+            {
+                FCOMMON.Util.MsgE("save error\n"+ex.Message);
+            }
+
 
         }