private void btnDelete_Click(object sender, EventArgs e)
{
//this checks to see if the user has selected an item from the listbox, as the default value is -1
if (LstBxSavedSearch.SelectedIndex > -1)
{
if (MessageBox.Show("Are you sure you want to delete this saved search?", "Confirm Deletion", MessageBoxButtons.YesNo) == DialogResult.Yes)
{
//this gets the list result from the lisbox saved search
string ListResult = LstBxSavedSearch.SelectedItem.ToString();
//this gets the integer AgeFrom from the listresult
Int32 AgeFrom = Convert.ToInt32(ListResult.Substring(7, 2));
//this gets the integer AgeTo from the ListResult
Int32 AgeTo = Convert.ToInt32(ListResult.Substring(10, 2));
//this gets the location from the ListResult
string Location = ListResult.Substring(22);
//new clsCustomerSavedSearch instance of the class
clsCustomerSavedSearch SavedSearch = new clsCustomerSavedSearch();
//call the removeItem method passing parameters
SavedSearch.RemoveItem(AgeFrom, AgeTo, Location);
//initalise the form ready for the refresh
FrmEmailClient EmailClient = new FrmEmailClient();
//close the current form
this.Close();
//call the same form again.
EmailClient.Show();
}
}
else
{
//this gives us an error message as nothing as been selected
lblError.Text = "Please Select an item to delete from the listbox";
}
}
private void btnConfirm_Click(object sender, EventArgs e)
{
//declares 3 variables
Int32 AgeMin;
Int32 AgeMax;
string Location;
//this converts the two values to Int32 and gets the location txt box
AgeMin = Convert.ToInt32(NumUpDwnAgeMin.Value);
AgeMax = Convert.ToInt32(NumUpDownAgeMax.Value);
Location = txtBxLocation.Text;
//these are some simple validation techniques, before the full ones are implemented in the main model
if (Location == "")
{
lblError.Text = "Please enter a location";
}
else if (AgeMax < AgeMin)
{
lblError.Text = "The minimum age must be less than or equal to the maximum age";
}
//this runs if all the validation runs ok
//this also runs if the user is editing a current saved search
else
{
FrmEmailClient EmailClient = new FrmEmailClient();
clsCustomerSavedSearch SavedSearch = new clsCustomerSavedSearch();
SavedSearch.AddNewSavedSearch(AgeMin, AgeMax, Location);
//this runs if it's an edit rather than a new email
if (OldMinAge != 0)
{
clsCustomerSavedSearch SavedSearch2 = new clsCustomerSavedSearch();
SavedSearch2.RemoveItem(OldMinAge, OldMaxAge, OldLocation);
}
EmailClient.Show();
this.Close();
}
}