[mansonh]

listitem is not 101, 102, ... its 0, 1, 2,...
Also using a switch is easier to read;

Код:

#include <a_samp>

#define DIALOGIDPBOOK 100


public OnPlayerCommandText(playerid, cmdtext[])
{
	if (strcmp("/pdbook", cmdtext, true, 10) == 0)
	{
		ShowPlayerDialog(playerid, DIALOGIDPBOOK, DIALOG_STYLE_LIST, "LSPD BOOK", "None\npage1:lessons\npage2:getting on duty \npage3:radio chat/teamchat\npage4:codes\npage5:weapons\npage6:rank\npage7:all others(very important)","Select", "Cancel");
		return 1;
	}
	return 1;
}

public OnDialogResponse(playerid, dialogid, response, listitem, inputtext[])
{
	if(dialogid == DIALOGIDPBOOK)
	{
		if(response)
		{
			switch(listitem)
			{
				case 0: ShowPlayerDialog(playerid,101,DIALOG_STYLE_INPUT,"page 1","this book will tell you how to be a good cop,but it doesn't says everything to be a good cop \n thats why we would suggest to ask Peter Petrolli for extras lessons,these are boring but very usefull \n\n good luck cadet","author Fabian","Cancel");
				case 1: ShowPlayerDialog(playerid,102,DIALOG_STYLE_INPUT,"Page 2","(very usefull : /cophelp) to go on duty you must first go to the police station \n once you are in,go to the first door and typ '/door' and when u passed it then use '/doorc' to close it again \n then use '/olockers' to open the door of the lockers,once u are at a locker typ '/duty' to go on duty \n for more info about weapons from the locker check 'weapons' page","author Fabian","Cancel");
				case 2: ShowPlayerDialog(playerid,103,DIALOG_STYLE_INPUT,"Page 3","the radio chat,the most important chat of being a police\n to use the chat use/r(message)","author Fabian","Cancel");
				case 3: ShowPlayerDialog(playerid,104,DIALOG_STYLE_INPUT,"Page 4","the codes are very important on the radio chat,u can check the codes with /codes \n without knowing the codes,u won't get far,believe me","author Fabian","Cancel");
				case 4: ShowPlayerDialog(playerid,105,DIALOG_STYLE_INPUT,"Page 5","A cop without weapons,never seen that before and that's good too \n without weapons we wouldn't be that strong, u already know that u get weapons by doing /duty \n u can also get weapons by typing /wkit but u need to be a certain rank for every WeaponKIT \n the higher your ran the better your weapons (read page 7 - rank for more info)","author Fabian","Cancel");
				case 5: ShowPlayerDialog(playerid,106,DIALOG_STYLE_INPUT,"Page 6","The rank,it's what tells others : i'm your boss and i am a very good cop and got promorted \n the rank is like a level in being a cop,the higher your level,the better your weapons and the more u can do as a cop \n\n ranks : \n 1 cadet \n 2 officer \n 3 luitenant \n 4 seargant \n 5 captain (highest possible) \n 6 chief (Peter Petrolli only) \n\n good luck with ranking up","author Fabian","Cancel");
				case 6: ShowPlayerDialog(playerid,107,DIALOG_STYLE_INPUT,"Page 7","this is important for higher ranked persons : higher levels are allowed more check /cophelp if u are ranked up and check the new WKIT","author Fabian","Cancel");
			}
		}
		return 1;
	}
	return 0;
}