CustomValidator textbox required on radiobuttonlist select

CustomValidator textbox required on radiobuttonlist select

References

Reference NO 1

http://stackoverflow.com/questions/15201138/customvalidator-textbox-required-on-radiobuttonlist-select

Reference NO 2

http://stackoverflow.com/questions/2852375/customvalidator-check-if-radiobuttonlist-contains-a-selected-item

Reference NO 3

http://forums.asp.net/t/prev/1146401

Reference NO 4

http://dotnetco.de/Blog/ID/16/Use-CustomValidator-to-check-textbox-depending-on-Radiobutton.aspx

Reference NO 5

http://www.dotnetgoodies.com/article/ASP.NET_Web_Application_Development/55/How_to_use_a_CustomValidator_to_validate_one_Web_control_only_if_a_checkbox_or_radiobutton_is_checked.aspx

Reference NO 6

http://p2p.wrox.com/asp-net-2-0-professional/79554-radiobuttonlist-textbox-validation.html

Reference NO 7

http://bytes.com/topic/asp-net/answers/332875-javascript-question-customvalidation

Reference NO 8

http://selftaughtprogrammer.com/2011/04/18/how-to-require-a-textbox-be-completed-when-other-is-selected-in-a-checkboxlist-2/