I would like to create an increment when updating the database.
In the form I have the fields Output and Inventory, Est.sale and Est.quant, respectively.
When updating, I only send Est.sale, and I need it to be increased with the value already in the table.
How can I solve this?
In the form I have the fields Output and Inventory, Est.sale and Est.quant, respectively.
When updating, I only send Est.sale, and I need it to be increased with the value already in the table.
How can I solve this?
