cqwp listname listGuid

cqwp targetted to a specific list in a subsite will not work unitl we specify the listGuid.

CQWP Mystery

if you are using cqwp with query override property, always set either commonviewfields or viewsfieldsoverride.

commonviewfields just requires the additional fields whereas viewfieldsoverride need the existing fields and the new fields.

search server name mapping

you can replace the server name from the crawled results with a user defined value.

e.g. http://mysite.com can be mapped to http://test.com

hence all people results will get mapped,

Username -> http://mysite.com/person.aspx?name=username -> http://test.com/person.aspx

simply create / provision a page at the root of site collection http://test.com

DNS Overview

All about DNS
http://technet.microsoft.com/en-us/library/bb727007.aspx

MVP Pattern - SP Web Part

http://msdn.microsoft.com/en-us/library/ee413740.aspx

http://weblogs.asp.net/bsimser/archive/2006/07/18/Model_2D00_View_2D00_Presenter-Pattern-with-SharePoint-Web-Parts.aspx

dropdownlist postback selectedindex 0

asp.net dropdownlist should have unique value item, i.e.

ddl.items.add(new listitem(key, value)) -> here value should be unique
otherwise on postback you get incorrect selectedindex.

e.g.
ddl -> America, 1
Europe, 2
Asia, 3
is correct

but

ddl -> America 1
Europe 1
Asia 2

is not correct