i have a problem in adding new listbox items
i don't need to allow adding multible items with the same textvalue
ex: if current items are:
green
red
blue
if red is tried to be added again then error
i thinked about the possible solution:
1.read the current values in listbox in an array
2.compare the textbox textvalue with the all current items textvalues with
if statement
3.raise message error if the textbox textvalue = any item textvalue not the
selected item
any help in how to achieve that by code
by the way
i'm new to C# ,my experience doesn't exceed one year,and i started
programming with studying VB.net but i was not involved in large projects and
i need to go in the right track
so
first i need some tips helping me go faster in programming in general.
second what is the best way to get stareted in any new topic (C# as a
langage,ASP.net 2.0,AJAX,...................... and other new technology
thanks for everyone