html - Why asp.net control is accessed by '' format in client side -

html - Why asp.net control is accessed by '<%=controlid.ClientID%>' format in client side -

why asp.net command accessed '<%=controlid.clientid%>' format in client side.

whereas html command accessed straight id.

because default, asp.net web control's clientid dynamically generated. if want access same way html controls, can set clientidmode static.

http://msdn.microsoft.com/en-us/library/system.web.ui.control.clientidmode.aspx

asp.net html rendering