Hello I am a student in computer science , we ve got a inventory system project to do. I have a problem using sql I know how to importe sql to datagridview. I know have to save data in sql database using vb but I still don t know how to calculate the difference of sum of each column from each different datagridview and to show it in datagridview. My gol is: I have a datagridview1 that shows the quantity of purchsases of a product in column A.and I have another datagridview2 that shows the quantity of sells of the same product in column B. Datagridview1 is on form1.vb. datagridview is on form2.vb0 what I want is : to calculate and view the stock the stock still available on new form3.vb on datagridview3. thanks in advance
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You need to follow the following steps (For selected Row):