//This function is used to populate the City drop down list
Int32 DisplayCities()
{
//create and instance of city collection class
clsCityCollection ListofCities = new clsCityCollection();
//[02/02/2019] initially tried a stored procedure tha used an integer primary key parameter in the clsCityCollection
//class to search city, but this limited me to a single result for each search, so had to use a different type of stored procedure.
//This other stored procedure was written to select either a number(primary key) or everything. The value was a comparison string
//Thus the value passed was safe as long as there were no numbers in the cityname field of tblCity table.
//Pass in the search parameter to select all the in the database
ListofCities.CitySearchParameter(-1);
//string variable to store the cities primary key value
string CityNo;
//string variable to store the name of the city
string City;
//integer variable to store the index of the loop, starts at 0
Int32 CityPointer = 0;
//starting from 0, then while the CityPointer is not more than the Count of
//the number of rows of Cities
while (CityPointer < ListofCities.Count)
{
//get the primary key number value of the city from the database
CityNo = Convert.ToString(ListofCities.CityList[CityPointer].CityNo);
//get the city name from the database
City = Convert.ToString(ListofCities.CityList[CityPointer].CityName);
//create a list item object with the information we just retrieved
ListItem CityListItem = new ListItem(City, CityNo);
//add the CityListItem object row to the list
ddlProfileCity.Items.Add(CityListItem);
//increment the CityPointer to point to the next record to get
CityPointer++;
}
//return the count for the number of cities in the data table
return(ListofCities.Count);
}
Int32 DisplaySuperHeros(string SearchParameter)
{
//clear the listbox
lstDefaultDetails.Items.Clear();
//string variable to display "Super Speed"
string SuperSpeed = "";
//string variable to display "Super Strength"
string SuperStrength = "";
//string variable to display "Super Flight"
string SuperFlight = "";
//string variable to display "Super Teleportation"
string SuperTeleportation = "";
//string variable to display "Super Invisibility"
string SuperInvisibility = "";
//string variable to display "Super Telekenisis"
string SuperTelekenisis = "";
//string variable to display "Super Psychokenisis"
string SuperPsychokenisis = "";
//variable to store the primary key
Int32 SuperHeroID;
//string variable for the Nickname
String Nickname;
//string variable for the Gender
String Gender;
//decimal variable to store Height_m
Decimal Height;
//integer variable to store Weight_kg
Int32 Weight_kg;
//DateTime variable to store birthdate
DateTime BirthDate;
//[27/02/2019] This line was added after the FormatDate function was created, so date can be displayed nicely in DD/MM/YYYY
//string variable stores the formated date to be displayed
String DisplayDate;
//foreign key reference for City name in the SuperHeros Database (stored as a string value, thats why CityNo is a string)
Int32 CityNo;
//string variable to store the City name that will be retrieved from the City database using the CityNo
string CityName;
//Int32 Age; // variable for the Age is obscelete as the age is now calculated from the date
//boolean value to store the boolean for speed in data base
Boolean Speed;
//boolean value to store the boolean for strength
Boolean Strength;
//boolean value to store the boolean for flight
Boolean Flight;
//boolean value to store the boolean for teleportation
Boolean Teleportation;
//boolean value to store the boolean for invisibility
Boolean Invisibility;
//boolean value to store the boolean for telekenisis
Boolean Telekenisis;
//boolean value to store the boolean for psychokenisis
Boolean Psychokenisis;
//integer variable to store age which will be calculated from the BirthDate and CurrentDate
Int32 CurrentAge;
//create an instance of the clsSuperHeroCollection class to give us access to data we need.
///The list is populated when we create an intsance of the class.
///create a SuperHeroCollection object, to get access to methods
clsSuperHeroCollection newSuperHeroCollection = new clsSuperHeroCollection();
//execute the search method in the object, passing the search parameter
//returns the number of records in newSuperHeroCollection and assigned to recordCount variable
newSuperHeroCollection.SearchSuperHeros(SearchParameter);
//declare integet to store the record count
Int32 recordCount;
recordCount = newSuperHeroCollection.Count;
//initialise the Variable to store the index of the loop (used to point to SuperHero data we want)
Int32 Pointer = 0;
//declare a new instance of the newSuperHero so that we can use it to access functions for calculate age and format date
clsSuperHero newSuperHero = new clsSuperHero();
//while loop that traverses the rows and gets the dat in each (named) column
while (Pointer < recordCount)
{
/// obtain the desired data from the populated superHeroList from the instance of clsSuperHeroCollection
/// newSuperHeroCollection is the instance of clsSuperHeroCollection to will
//Get primary key from the data table
SuperHeroID = newSuperHeroCollection.SuperHeroList[Pointer].SuperHeroID;
//get Nickname from the data table
Nickname = newSuperHeroCollection.SuperHeroList[Pointer].Nickname;
//get Gender from the data table
Gender = newSuperHeroCollection.SuperHeroList[Pointer].Gender;
//get the weight from the data table
Weight_kg = newSuperHeroCollection.SuperHeroList[Pointer].Weight_kg;
//get the height from the datatable
Height = newSuperHeroCollection.SuperHeroList[Pointer].Height_m;
//get the birthdate from the data table
BirthDate = newSuperHeroCollection.SuperHeroList[Pointer].BirthDate;
//[27/01/2019] Formats and assigns date to the DisplayDate string.
DisplayDate = newSuperHero.FormatDate(BirthDate);
//[27/01/2019] Following code is obscelete as the age can be calculated directly
//Age = newSuperHeroCollection.SuperHeroList[Pointer].Age; // get age
//calculates the current age based on BirthDate and CurrentDate
CurrentAge = newSuperHero.CalculateAge(BirthDate, DateTime.Today);
//[02/02/2019] Adding the clsCityCollection and clsCity classes and having a seperate database for cities for the cities drop down list (in Profile.aspx)
//meant SelectedValue for the Cities drop down list is passed to the database table for SuperHeros rather than the name.
//the CityNo is being used as a foriegn key in the SuperHeros database and therefore when copied from the database a number appears in the listbox in Default.aspx.
//However this number can be converted back to the city name by creating an instance of the clsCityCollection, which can then be used to copy city from the datatable.
//Get the foreign key CityNo (now stored in City) from the SuperHeros database and convert it to an integer
CityNo = newSuperHeroCollection.SuperHeroList[Pointer].CityNo;
//create an instance of the clsCityCollection to work with
clsCityCollection theCities = new clsCityCollection();
//Pass in the search parameter (to populate the the list array object called CitiesList)
theCities.CitySearchParameter(CityNo);
//Get the CityName to be displayed based on the CityNo
CityName = theCities.CityList[0].CityName;
//get the boolean value of speed thats in the datatable
Speed = newSuperHeroCollection.SuperHeroList[Pointer].Speed;
//if the value is true, assign some text, else assign nothing
if (Speed == true)
{
SuperSpeed = ", Super Speed";
}
else
{
SuperSpeed = "";
}
//get the boolean value of Strength thats in the datatable
Strength = newSuperHeroCollection.SuperHeroList[Pointer].Strength;
//if the value is true, assign some text, else assign nothing
if (Strength == true)
{
SuperStrength = ", Super Strength";
}
else
{
SuperStrength = "";
}
//get the boolean value of Flight thats in the datatable
Flight = newSuperHeroCollection.SuperHeroList[Pointer].Flight;
//if the value is true, assign some text, else assign nothing
if (Flight == true)
{
SuperFlight = ", Flight";
}
else
{
SuperFlight = "";
}
//get the boolean value of Teleportation thats in the datatable
Teleportation = newSuperHeroCollection.SuperHeroList[Pointer].Teleportation;
//if the value is true, assign some text, else assign nothing
if (Teleportation == true)
{
SuperTeleportation = ", Teleportation";
}
else
{
SuperTeleportation = "";
}
//get the boolean value of Invisibility thats in the datatable
Invisibility = newSuperHeroCollection.SuperHeroList[Pointer].Invisibility;
//if the value is true, assign some text, else assign nothing
if (Invisibility == true)
{
SuperInvisibility = ", Invisibility";
}
else
{
SuperInvisibility = "";
}
//get the boolean value of Telekenisis thats in the datatable
Telekenisis = newSuperHeroCollection.SuperHeroList[Pointer].Telekenisis;
//if the value is true, assign some text, else assign nothing
if (Telekenisis == true)
{
SuperTelekenisis = ", Telekenisis";
}
else
{
SuperTelekenisis = "";
}
//get the boolean value of Psychokenisis thats in the datatable
Psychokenisis = newSuperHeroCollection.SuperHeroList[Pointer].Psychokenisis;
//if the value is true, assign some text, else assign nothing
if (Psychokenisis == true)
{
SuperPsychokenisis = ", Psychokenisis";
}
else
{
SuperPsychokenisis = "";
}
///List item is defined: public ListItem (string text, string value);
///https://docs.microsoft.com/en-us/dotnet/api/system.web.ui.webcontrols.listitem.-ctor?view=netframework-4.7.2#System_Web_UI_WebControls_ListItem__ctor
///Initialise a new instance of list item with the concatenated string of data we want to display as the first parameter in ListItem instance
///The value of list item is the primary key, we convert to string and add as the second parameter to ListItem instance
///Each List item will be displayed in the format Nickname, gender, age.
ListItem newListItem = new ListItem("Superhero ID [" + SuperHeroID.ToString() + "] " + Nickname + ": " + Gender + ", " + Height.ToString() + "m tall" + ", " + Weight_kg + "kg" + ", " + "born " + DisplayDate + ", " + CurrentAge.ToString() + " years old, " + " lives in " + CityName + SuperFlight + SuperInvisibility + SuperSpeed + SuperStrength + SuperTelekenisis + SuperTeleportation + SuperPsychokenisis, SuperHeroID.ToString());
///add the item to the list menu
lstDefaultDetails.Items.Add(newListItem);
/// increment pointer so it points to next superhero in the collection class
Pointer++;
}
return(recordCount);
}
