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Hey, i have a small issue, hope somebody will help. When i post a salesorder as "shipping" and open it again, the user should not be able to update only one field value in salesline. I managed to code something but it checks every field and shows error instead of one specific. I'm coding it using events with onaftermodify. How can i make it work for only one field, where user is not allowed to change the value for that field, but can do for others.
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Hi,
You can create a new boolean field in your table which changes to 'TRUE' when the field value is entered for the first time by the user. Now you have to write the following code in OnValidate() tirgger of your field.
YourField - OnValidate()
IF BooleanField = TRUE THEN
ERROR('You cannot modify this field value!');
Always try to follow what standard Microsoft does and then follow the same procedure for custom code.
As per your scenario once the order is shipped and page is closed. After that if user open the page some field should not change.
** In standard NAV Qty. to Ship validates on the same line how you want.
** Look into table field validate and try to follow similar bheaviour in your custom code.
Also you dont need to subscribe the modify event of table, you actually need to subscribe the custom field - Onvalidate Trigger.
Hi,
You may write the code in the OnValidate trigger of the respective field or you may follow the use of Events. Follow the below link for Events:-
https://msdn.microsoft.com/en-us/library/mt299505(v=nav.90).aspx
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