Introduction - If you have any usage issues, please Google them yourself
Implementation written in C# winform family financial management system, with SQLSERVER database file, db folder. Record household consumption, capital movements, can be classified as financial spending records. In the procedure, there are many tips worth learning, such as refresh the record when the form gets focus (when records were added, after adding the form is closed, when you switch back to the main form, used to refresh the record), the expansion or contraction form, show or hide the panel, using the toolbar, and there are some amount of numerical arithmetic, etc.