//Perform housekeeping on page load
protected void Page_Load(object sender, EventArgs e)
{
if (WebWeather.allowUser == false)
{
Response.Redirect("~/Login");
}
else
{
if (!IsPostBack)
{
WebWeather.PopulateWeatherArrayLists();
dt = new DataTable();
dt.Columns.Add(new DataColumn("City", typeof(string)));
dt.Columns.Add(new DataColumn("Date", typeof(string)));
dt.Columns.Add(new DataColumn("Min Temp", typeof(string)));
dt.Columns.Add(new DataColumn("Max Temp", typeof(string)));
dt.Columns.Add(new DataColumn("Precipitation", typeof(string)));
dt.Columns.Add(new DataColumn("Humidity", typeof(string)));
dt.Columns.Add(new DataColumn("Wind Speed", typeof(string)));
DataRow row = dt.NewRow();
dt.Rows.Add(row);
reportGrid.DataSource = dt;
reportGrid.DataBind();
SecondDate_SelectionChanged(sender, e);
PopulateCityComboBox();
}
GetUsualCities();
UpdateCityBox();
GetWeatherTable();
}
}
//Populate the report city selection combo box
private void PopulateCityComboBox()
{
cities.Items.Clear();
for (int i = 0; i < (WebWeather.GetCityNameCount()); i++)
{
if (cities.Items.Contains(new ListItem(WebWeather.GetCityName(i))))
{
}
else
{
cities.Items.Add(new ListItem(WebWeather.GetCityName(i)));
}
}
cities.Items.Add(new ListItem("Select a City..."));
cities.SelectedValue = "Select a City...";
}
//Update gridview with requested weather data
private void GetWeatherTable()
{
reportGrid.DataSource = null;
reportGrid.DataBind();
dt = new DataTable();
dt.Columns.Add(new DataColumn("City", typeof(string)));
dt.Columns.Add(new DataColumn("Date", typeof(string)));
dt.Columns.Add(new DataColumn("Min Temp", typeof(string)));
dt.Columns.Add(new DataColumn("Max Temp", typeof(string)));
dt.Columns.Add(new DataColumn("Precipitation", typeof(string)));
dt.Columns.Add(new DataColumn("Humidity", typeof(string)));
dt.Columns.Add(new DataColumn("Wind Speed", typeof(string)));
DataRow row;
int lowMinTemp = 0;
int highMinTemp = 0;
int lowMaxTemp = 0;
int highMaxTemp = 0;
int lowPrecip = 0;
int highPrecip = 0;
int lowHumid = 0;
int highHumid = 0;
int lowSpeed = 0;
int highSpeed = 0;
if (citiesSelected.Count != 0)
{
for (int j = 0; j < citiesSelected.Count; j++)
{
for (int i = 0; i < WebWeather.GetCityNameCount(); i++)
{
if (WebWeather.GetCityName(i) == Convert.ToString(citiesSelected[j]))
{
if (WebWeather.GetWeatherDate(i) >= firstDate.SelectedDate && WebWeather.GetWeatherDate(i) <= secondDate.SelectedDate)
{
if (dt.Rows.Count == 0)
{
//Initiate values in the lowest and highest section
lowMinTemp = Convert.ToInt32(WebWeather.GetMinTemp(i));
highMinTemp = Convert.ToInt32(WebWeather.GetMinTemp(i));
lowMaxTemp = Convert.ToInt32(WebWeather.GetMaxTemp(i));
highMaxTemp = Convert.ToInt32(WebWeather.GetMaxTemp(i));
lowPrecip = Convert.ToInt32(WebWeather.GetPrecipitation(i));
highPrecip = Convert.ToInt32(WebWeather.GetPrecipitation(i));
lowHumid = Convert.ToInt32(WebWeather.GetHumidity(i));
highHumid = Convert.ToInt32(WebWeather.GetHumidity(i));
lowSpeed = Convert.ToInt32(WebWeather.GetWindSpeed(i));
highSpeed = Convert.ToInt32(WebWeather.GetWindSpeed(i));
}
else
{
//Update values if lowest and highest section not empty
if (Convert.ToInt32(WebWeather.GetMinTemp(i)) < lowMinTemp)
{
lowMinTemp = Convert.ToInt32(WebWeather.GetMinTemp(i));
}
if (Convert.ToInt32(WebWeather.GetMinTemp(i)) > highMinTemp)
{
highMinTemp = Convert.ToInt32(WebWeather.GetMinTemp(i));
}
if (Convert.ToInt32(WebWeather.GetMaxTemp(i)) < lowMaxTemp)
{
lowMaxTemp = Convert.ToInt32(WebWeather.GetMaxTemp(i));
}
if (Convert.ToInt32(WebWeather.GetMaxTemp(i)) > highMaxTemp)
{
highMaxTemp = Convert.ToInt32(WebWeather.GetMaxTemp(i));
}
if (Convert.ToInt32(WebWeather.GetPrecipitation(i)) < lowPrecip)
{
lowPrecip = Convert.ToInt32(WebWeather.GetPrecipitation(i));
}
if (Convert.ToInt32(WebWeather.GetPrecipitation(i)) > highPrecip)
{
highPrecip = Convert.ToInt32(WebWeather.GetPrecipitation(i));
}
if (Convert.ToInt32(WebWeather.GetHumidity(i)) < lowHumid)
{
lowHumid = Convert.ToInt32(WebWeather.GetHumidity(i));
}
if (Convert.ToInt32(WebWeather.GetHumidity(i)) > highHumid)
{
highHumid = Convert.ToInt32(WebWeather.GetHumidity(i));
}
if (Convert.ToInt32(WebWeather.GetWindSpeed(i)) < lowSpeed)
{
lowSpeed = Convert.ToInt32(WebWeather.GetWindSpeed(i));
}
if (Convert.ToInt32(WebWeather.GetWindSpeed(i)) > highSpeed)
{
highSpeed = Convert.ToInt32(WebWeather.GetWindSpeed(i));
}
}
row = dt.NewRow();
row["City"] = WebWeather.GetCityName(i);
row["Date"] = WebWeather.GetWeatherDate(i).ToShortDateString();
row["Min Temp"] = WebWeather.GetMinTemp(i) + "°C";
row["Max Temp"] = WebWeather.GetMaxTemp(i) + "°C";
row["Precipitation"] = WebWeather.GetPrecipitation(i) + "%";
row["Humidity"] = WebWeather.GetHumidity(i) + "%";
row["Wind Speed"] = WebWeather.GetWindSpeed(i) + " km/h";
dt.Rows.Add(row);
//Update Lowest/Highest section
lowestMinTemp.Text = "Min Temp: " + Convert.ToString(lowMinTemp) + " °C";
highestMinTemp.Text = "Min Temp: " + Convert.ToString(highMinTemp) + " °C";
lowestMaxTemp.Text = "Max Temp: " + Convert.ToString(lowMaxTemp) + " °C";
highestMaxTemp.Text = "Max Temp: " + Convert.ToString(highMaxTemp) + " °C";
lowestPrecip.Text = "Precipitation: " + Convert.ToString(lowPrecip) + " %";
highestPrecip.Text = "Precipitation: " + Convert.ToString(highPrecip) + " %";
lowestHumid.Text = "Humidity: " + Convert.ToString(lowHumid) + " %";
highestHumid.Text = "Humidity: " + Convert.ToString(highHumid) + " %";
lowestWind.Text = "Wind Speed: " + Convert.ToString(lowSpeed) + " km/h";
highestWind.Text = "Wind Speed: " + Convert.ToString(highSpeed) + " km/h";
}
}
}
}
//Reset report and display error
if (dt.Rows.Count == 0)
{
lowestMinTemp.Text = "Min Temp: ";
highestMinTemp.Text = "Min Temp: ";
lowestMaxTemp.Text = "Max Temp: ";
highestMaxTemp.Text = "Max Temp: ";
lowestPrecip.Text = "Precipitation: ";
highestPrecip.Text = "Precipitation: ";
lowestHumid.Text = "Humidity: ";
highestHumid.Text = "Humidity: ";
lowestWind.Text = "Wind Speed: ";
highestWind.Text = "Wind Speed: ";
Response.Write("<script>alert('No Results Found!');</script>");
}
}
else
{
Response.Write("<script>alert('You have not selected any cities. To obtain results, please select one or more cities.');</script>");
}
reportGrid.DataSource = dt;
reportGrid.DataBind();
}