Python tkinter treeview update value Python Tkinter Treeview Scrollbars Her previous salary was 22000 after applying 5% increment it becomes 23100. Shanti did a great job she deserves an increment. The button at the bottoms holds functionality to increment the salary of selected employee by 5%. We have feed sample data of en employees. In this output, Python Tkinter Treeview is displayed. Tv.item(selected, values=(temp, temp, sal_up)) Sal_up = float(temp) + float(temp) * 0.05 Tv = ttk.Treeview(ws, columns=(1, 2, 3), show='headings', height=8) tv.item() method is used to provide new values to the record.sal_up variable holds the calculation to increment the salary.by using temp, temp, temp we can access the items in the tuple.These values will be displayed in a tuple format. This means from the selected row, show all the values. tv.item() takes 2 arguments, selected & values.You can view that by using the print function. tv.focus() hold the row number of the selected item in Treeview & the value for the same is stored in a variable named selected.In this code, please pay attention to the update_item function. We will understand this with an example wherein the salary of the selected employee will be incremented by 5% of the current.This will return all the values in the selected item. () takes as an argument followed by ‘ value‘.If nothing is selected then it returns an empty string (“”). returns the selected item row in the Treeview.In this section, we will be changing only one item of the record.
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