https://learn.microsoft.com/en-us/previous-versions/visualstudio/visual-studio-2008/284c1c4s(v=vs.90)
Global Attributes (C# Programming Guide) | Microsoft Learn
global attributesc programmingguide microsoftlearn
https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Global_attributes/data-*
data-* HTML global attributes - HTML | MDN
The data-* global attributes form a class of attributes called custom data attributes, that allow proprietary information to be exchanged between the HTML and...
html globaldataattributesmdn