Why is the tab page body not updating with a .NET tab control?
问题 I am having a strange problem with the .NET TabControl in C# (Visual Studio 2010). Start a Windows Forms Application. Add a tab control and a button. Add two different labels to the two tab pages so you can differentiate them. The purpose of the button is just to act as a next button; subscribe to the its Click event with the code: tabControl1.SelectTab(1); Let's assume the user entered something wrong on the first tab, so when they try to go to the second tab we want to send them back, so