Hi,
Thanks for using Syncfusion Products.
You can edit the Tab page label at runtime using the following property.
// Renaming TabControlAdv’s Text.
this.tabControlAdv.LabelEdit = true;
Here is the UG link which makes you clearer how to edit the label in Tabpage.
http://help.syncfusion.com/ug_82/WindowsFormsUI_Tools/TabItemsCustomization.htmlPlease let me know if you need further assistance on this.
Thanks,
Karikalan N