User Manual

Programming Basics
Maintaining State
 By default. controls maintain their state across
multiple postback requests
 Implemented using a hidden HTML field:
__VIEWSTATE
 Works for controls with input data (e.g. TextBox,
CheckBox), non-input controls (e.g. Label,
DataGrid), and hybrids (e.g. DropDownList,
ListBox)
 Can be disabled per control or entire page
 Set EnableViewState=“false”
 Lets you minimize size of __VIEWSTATE