private void CounselorEditBtn_Click(object sender, RoutedEventArgs e)
{
//Create an object called CurrentCounselor of type Counselor1
Counselor1 CurrentCounselor = new Counselor1();
//CurrentCounselor holds the values of the selectedItem by casting the CounselorDataGrid as type Counselor1. This makes it possible to grab these values
CurrentCounselor = (Counselor1)CounselorDataGrid.SelectedItem;
Index = CounselorDataGrid.SelectedIndex;
//Populate the text fields with their respective data from the datagrid
CounselorFNameTxt.Text = CurrentCounselor.FirstName;
CounselorLNameTxt.Text = CurrentCounselor.LastName;
DegreeCB.Text = CurrentCounselor.DegreeSuffix;
CounselorAddressTxt.Text = CurrentCounselor.Address;
CounselorCityTxt.Text = CurrentCounselor.City;
cbState.Text = CurrentCounselor.State;
CounselorZipTxt.Text = CurrentCounselor.ZIP;
CounselorPhoneTxt.Text = CurrentCounselor.Phone;
CounselorEmailTxt.Text = CurrentCounselor.Email;
//CounselorID holds the counselorID of the record that is being updated
this.CounselorID = CurrentCounselor.CounselorID.ToString();
CounselorAddBtn.IsEnabled = false;
CounselorEditBtn.IsEnabled = false;
}
private void CounselorDeleteBtn_Click(object sender, RoutedEventArgs e)
{
//Create an object called CurrentCounselor of type Counselor1
Counselor1 CurrentCounselor = new Counselor1();
//CurrentCounselor holds the values of the selectedItem by casting the CounselorDataGrid as type Counselor1. This makes it possible to grab these values
CurrentCounselor = (Counselor1)CounselorDataGrid.SelectedItem;
MessageBoxResult messageBoxResult = System.Windows.MessageBox.Show("Delete " + CurrentCounselor.FirstName + " " + CurrentCounselor.LastName + "?", "Delete Confirmation", System.Windows.MessageBoxButton.YesNo);
if (messageBoxResult == MessageBoxResult.Yes)
{
//Execute the following query to delete the record from the counselor table using the CounselorID
this.CounselorID = CurrentCounselor.CounselorID.ToString();
dbContext.Database.ExecuteSqlCommand("Delete from Counselor where CounselorID = @CounselorID",
//assign parameters values
new SqlParameter("CounselorID", this.CounselorID));
//Execute the following query to delete the record from the person table using the person ID
dbContext.Database.ExecuteSqlCommand("Delete from Person where PersonID = @PersonID",
new SqlParameter("PersonID", this.CounselorID));
String DeleteName = CurrentCounselor.FirstName + " " + CurrentCounselor.LastName;
MessageBox.Show(DeleteName + " deleted from Current Counselors");
//Populated the datagrid so that it no longer contains the deleted record
var Counselor = dbContext.Counselor1.SqlQuery("select * from Counselor1").ToList();
CounselorDataGrid.ItemsSource = Counselor;
CounselorDataGrid.SelectedIndex = 0;
//Reset the values in the fields
CounselorFNameTxt.Text = null;
CounselorLNameTxt.Text = null;
DegreeCB.SelectedIndex = -1;
CounselorAddressTxt.Text = null;
CounselorCityTxt.Text = null;
cbState.SelectedIndex = -1;
CounselorZipTxt.Text = null;
CounselorPhoneTxt.Text = null;
CounselorEmailTxt.Text = null;
CounselorID = null;
CounselorEditBtn.IsEnabled = true;
CounselorAddBtn.IsEnabled = true;
}
}
private void CounselorAddBtn_Click(object sender, RoutedEventArgs e)
{
//checks to see if the fields are empty. if any are empty it prompts the user to fill in all the fields
if (CounselorFNameTxt.Text == null || DegreeCB.SelectedIndex == -1 || cbState.SelectedIndex == -1 || CounselorLNameTxt.Text == null ||
CounselorAddressTxt.Text == null | CounselorCityTxt.Text == null ||
CounselorEmailTxt.Text == null || CounselorZipTxt.Text == null ||
CounselorPhoneTxt.Text == null)
{
MessageBox.Show("Please Enter Counselor Information into ALL fields");
}
else
{
//iMatch holds the value to know if the room name matches any name in current room
int iMatch = 0;
//the for loop goes through all the records to check if there are any matches
for (int iCount = 0; iCount < CounselorDataGrid.Items.Count - 1; iCount++)
{
Counselor1 CurrentCounselor = new Counselor1();
CounselorDataGrid.SelectedIndex = iCount;// set the index to that of the iCount
CurrentCounselor = (Counselor1)CounselorDataGrid.SelectedItem;
//if the new name matches a record, one is added to iMatch
if (CounselorFNameTxt.Text.ToLowerInvariant() == CurrentCounselor.FirstName.ToLowerInvariant() &&
CounselorLNameTxt.Text.ToLowerInvariant() == CurrentCounselor.LastName.ToLowerInvariant() &&
CounselorAddressTxt.Text.ToLowerInvariant() == CurrentCounselor.Address.ToLowerInvariant())
{
iMatch++;
}
}
if (iMatch > 0)
{
//asks the user if they want to add the name even tho it already exists
MessageBoxResult messageBoxResult = System.Windows.MessageBox.Show("Counselor already exists with this name, add anyway?", "Add Confirmation", System.Windows.MessageBoxButton.YesNo);
if (messageBoxResult == MessageBoxResult.Yes)
{
//Execute the following query to add new record to the person table.
//make variables that capture the values
dbContext.Database.ExecuteSqlCommand("Insert into Person(FirstName, LastName, Address, City, State, Zip, Phone, Email) Values (@FirstName, @LastName, @Address, @City, @State, @Zip, @Phone, @Email)",
//assign the parameters values
new SqlParameter("FirstName", CounselorFNameTxt.Text),
new SqlParameter("LastName", CounselorLNameTxt.Text),
new SqlParameter("Address", CounselorAddressTxt.Text),
new SqlParameter("City", CounselorCityTxt.Text),
new SqlParameter("State", cbState.SelectionBoxItem),
new SqlParameter("Zip", CounselorZipTxt.Text),
new SqlParameter("Phone", CounselorPhoneTxt.Text),
new SqlParameter("Email", CounselorEmailTxt.Text));
//Execute the follwoing query to add new record to the counselor table
dbContext.Database.ExecuteSqlCommand("insert into counselor values((select max(personid) from person),@Degree)",
new SqlParameter("Degree", DegreeCB.SelectionBoxItem));
//Populate the datagrid with the new records
var Counselor = dbContext.Counselor1.SqlQuery("select * from Counselor1").ToList();
CounselorDataGrid.ItemsSource = Counselor;
//select the first record in the datagrid
CounselorDataGrid.SelectedIndex = 0;
String AddName = CounselorFNameTxt.Text + " " + CounselorLNameTxt.Text;
MessageBox.Show(AddName + " added to Current Counselor");
//Reset the values in the fields
CounselorFNameTxt.Text = null;
CounselorLNameTxt.Text = null;
DegreeCB.SelectedIndex = -1;
CounselorAddressTxt.Text = null;
CounselorCityTxt.Text = null;
cbState.SelectedIndex = -1;
CounselorZipTxt.Text = null;
CounselorPhoneTxt.Text = null;
CounselorEmailTxt.Text = null;
CounselorID = null;
}
else
{
CounselorFNameTxt.Text = null;
CounselorLNameTxt.Text = null;
DegreeCB.SelectedIndex = -1;
CounselorAddressTxt.Text = null;
CounselorCityTxt.Text = null;
cbState.SelectedIndex = -1;
CounselorZipTxt.Text = null;
CounselorPhoneTxt.Text = null;
CounselorEmailTxt.Text = null;
CounselorID = null;
}
}
else
{
//Execute the following query to add new record to the person table.
//make variables that capture the values
dbContext.Database.ExecuteSqlCommand("Insert into Person(FirstName, LastName, Address, City, State, Zip, Phone, Email) Values (@FirstName, @LastName, @Address, @City, @State, @Zip, @Phone, @Email)",
//assign the parameters values
new SqlParameter("FirstName", CounselorFNameTxt.Text),
new SqlParameter("LastName", CounselorLNameTxt.Text),
new SqlParameter("Address", CounselorAddressTxt.Text),
new SqlParameter("City", CounselorCityTxt.Text),
new SqlParameter("State", cbState.SelectionBoxItem),
new SqlParameter("Zip", CounselorZipTxt.Text),
new SqlParameter("Phone", CounselorPhoneTxt.Text),
new SqlParameter("Email", CounselorEmailTxt.Text));
//Execute the follwoing query to add new record to the counselor table
dbContext.Database.ExecuteSqlCommand("insert into counselor values((select max(personid) from person),@Degree)",
new SqlParameter("Degree", DegreeCB.SelectionBoxItem));
//Populate the datagrid with the new records
var Counselor = dbContext.Counselor1.SqlQuery("select * from Counselor1").ToList();
CounselorDataGrid.ItemsSource = Counselor;
//select the first record in the datagrid
CounselorDataGrid.SelectedIndex = 0;
String AddName = CounselorFNameTxt.Text + " " + CounselorLNameTxt.Text;
MessageBox.Show(AddName + " added to Current Counselor");
//Reset the values in the fields
CounselorFNameTxt.Text = null;
CounselorLNameTxt.Text = null;
DegreeCB.SelectedIndex = -1;
CounselorAddressTxt.Text = null;
CounselorCityTxt.Text = null;
cbState.SelectedIndex = -1;
CounselorZipTxt.Text = null;
CounselorPhoneTxt.Text = null;
CounselorEmailTxt.Text = null;
CounselorID = null;
}
}
}