Looking for expert on Janus gridex control

Job ID: 33098137

Budget: $10 – $30 USD

I need help from an expert who can handle Janus Gridex Control
I want to make a calculation between the columns in the sales invoice
Such as multiplying the quantity by the price, calculating the tax and calculating the total for the row, get total of column
And that the process be automatic when opening the data and making a collection process for a specific column of change cell
Related categories: .NET VB.NET