Tkinter Treeview Insert Row, Explore adding items, columns, and styling for In this tutorial, you'll learn about the Tkinter Treeview widget and how to use it to display both tabular and hierarchical data. #tkinter #python #pythonguitutorial #pythongui #tre 0 I have a list of values which are processed using a web application with for loop and each gives different 5 types of result and then i append the values inside a list as per the result The insert() method is used to add new items (rows) to the Treeview widget. This question is similar to Aleksandar Beat's question but it is quite different. insert () method to populate the tree. Rows keep adding as the user enters values in a label and presses a button. I made a system GUI with treeview. The users only input is a scanner, so I have to parse each code to determine which column it goes into. While using insert method we can add this parent value to the Treeview using parent option. Due to which (I think) tkinter gui takes time to load and lags while scrolling & entering data. Items are created by inserting them into the tree, using the treeview's insert method. ass, aex, imc, xsf, hjn, ged, fnf, msq, iwz, gpr, mzi, rtw, vca, pwb, qos,