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Sorry, can't help you with Proteus. It's a simulator and full of errors, bugs, etc.
I only build real circuits that I can test and use in the real world.

btw is my connection correct?

Where is your LCD wired up to( which port )?
Have you adjusted contrst to the mfr's spec( usually .5 -.8 volts).

my wired is same as LCDD.c provided

port D

http://flic.kr/p/9cHFF1

i try ...

Usually you have 'setup' or 'configuration' code before 'main', to tell the compiler what the I/O pins are to be used for,disabling interrupts,configuring onboard perihpherals,etc..

Since you have ...

You seem to call lcdinit() several times???

I only call mine once, in the 'startup routine', after the code to setup the peripherals,variables,etc.

It'll be easier to debug if..
You create a ne ...

Well, your program is a good example as to why I never use Proteus !!

First, it should never have compiled as line two is wrong.
hint: read the ADC section of the PIC datasheet.

Second, as you ...

Another thing you might want to add is a small delay (~10ms) between these lines:

SET_ADC_CHANNEL(1);
analin = read_adc();

you need to allow some t ...

Rather than telling you the answer to the ADC question, YOU need to learn
how to research these things yourself. Read Page 127 of the datasheet.
How many bits resolution is the ADC?

i get wha ...

Well, your program is a good example as to why I never use Proteus !!

First , it should never have compiled as line two is wrong.
hint: read the ADC section of the PIC datasheet..

Second, as y ...

I have no problem when compiling but I face error when I simulate in the proteus simulation. Once I click start button it show 3 errors:

1. ADC conversion started before 'wait' time has expired fol ...