Sum of table rows will appear in a textfield
I have a problem in adding codes in my php codes, but i have the concept of codes that i want to add in my php codes, but I don't know if it is right. Kindly check my codes thank you.
I attached my whole codes for better understanding
and here is the codes I want to add:
I don't know how thus the result should be appear automatically in the input qty of operation2_total and if my code is correct.
Re: Sum of input will appear in a textfield
I have 5 operation name: operation1, operation2, operation2_total, operation3,operation4,operation5. As you notice I have a operation2_total
How can I add the input qty of operation2 and the result will be appearing in input_qty of operation2_total.
Re: Sum of table rows will appear in a textfield
If you want the sum use the sum sql function
SELECT SUM(COLUM_NAME_HERE) FROM table_name_here WHERE condition = 'some_condition_here'
Check this picture example for getting the sum take note I'm using Microsoft SQL Server 2008 not MySQL.
Also in your query your using the super global POST without getting a single value instead you'll get the entire array. You need to say a direct key like
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