Base class includes the field 'X', but its type (System.Web.UI.ScriptManager) is not compatible with the type of control (System.Web.UI.ScriptManager)

Question

The full error is

The base class includes the field \'ScriptManager1\', but its type (System.Web.UI.ScriptManager) is not compatible with the type of

Answer 1

Very similar issue. "The base class includes the field 'WebUserControl1', but its type (common_WebUserControl) is ..." changed markup files from CodeFile= to CodeBehind=