Hi,I try to scan 2D matrix code that includes four information, all of them start with nonvisible character FNC1. I need to split scanned string according to this nonvisible character. When I scan the code I can see the nonvisible characters in the s...

Hi,I have a parent table Header and child table Items. Header table has ID column, Items table has multiple rows with their own ID and also same HeaderID that links to the Header table.The user is supposed to add items to the Item table as long as th...

Hi,I have tables Product and Order. Lets say I have a row in table Product for product Cake and lots of rows in table Order as people ordering the cake. Everytime another row is added into table Order I need to update a column in a row Cake in table ...