/*
* Author: Aaron Mill
* Date: July 6, 2015
*/
public static bool AddPackage(Package package)
{
SqlConnection connection = TravelExpertsDB.GetConnection();
string insertStatement =
"INSERT Packages " +
"(PkgName, PkgStartDate, PkgEndDate, PkgDesc, PkgBasePrice, PkgAgencyCommission) " +
"VALUES (@PkgName, @PkgStartDate, @PkgEndDate, @PkgDesc, @PkgBasePrice, @PkgAgencyCommission)";
SqlCommand insertCommand =
new SqlCommand(insertStatement, connection);
insertCommand.Parameters.AddWithValue(
"@PkgName", package.PkgName);
insertCommand.Parameters.AddWithValue(
"@PkgStartDate", package.PkgStartDate);
insertCommand.Parameters.AddWithValue(
"@PkgEndDate", package.PkgEndDate);
insertCommand.Parameters.AddWithValue(
"@PkgDesc", package.PkgDesc);
insertCommand.Parameters.AddWithValue(
"@PkgBasePrice", package.PkgBasePrice);
insertCommand.Parameters.AddWithValue(
"@PkgAgencyCommission", package.PkgAgencyCommission);
try
{
connection.Open();
int count = insertCommand.ExecuteNonQuery();
// Inform user and return execution status
if (count > 0)
{
// MessageBox.Show("Inserted record: " + package.PackageId);
return true;
}
else
return false;
}
catch (SqlException ex)
{
throw ex;
}
finally
{
connection.Close();
}
}
//function to delete the SQL data
/*Chen Code Start, Aaron helped by deleting Packages_Products_Suppliers*/
public static bool DeletePackage(Package package)
{
SqlConnection connection = TravelExpertsDB.GetConnection(); //connect the SQL7
string deleteForeign =
"DELETE FROM Packages_Products_Suppliers " +
"WHERE PackageId = @PackageId ";
SqlCommand deleteForeignCommand =
new SqlCommand(deleteForeign, connection); //call the SQL deleteForeign command to delete the dependent table
deleteForeignCommand.Parameters.AddWithValue(
"@PackageId", package.PackageId);
string deleteStatement =
"DELETE FROM Packages " +
"WHERE PackageId = @PackageId ";
SqlCommand deleteCommand =
new SqlCommand(deleteStatement, connection); //call the SQL delete command to delete the data
deleteCommand.Parameters.AddWithValue(
"@PackageId", package.PackageId);
try
{
connection.Open();
int count2 = deleteForeignCommand.ExecuteNonQuery();
int count = deleteCommand.ExecuteNonQuery();
if (count > 0 && count2 > 0)
return true;
else
return false;
}
catch (SqlException ex)
{
throw ex;
}
finally
{
connection.Close();
}
}
// ------------------------------------------------------------------
// Pitsini Suwandechochai
// Description: Event - when user click "Add" button
// ------------------------------------------------------------------
private void btnAddPkg_Click(object sender, EventArgs e)
{
DialogResult result; // needs returning result from "AddPackageForm" (DialogResult.OK)
frmAddPackage AddPackageForm = new frmAddPackage(); // create form object
result = AddPackageForm.ShowDialog(); // show "AddPackageForm" form as a dialob and get DialogResult back
if (result == DialogResult.OK) // Checks if user has a successful added package
{
try
{
// calls method "GetListOfPackage()" from PackageDB and keep the result in "ListOfPackages"
ListOfPackages = PackageDB.GetListOfPackage();
chosenPkgId = AddPackageForm.newJustAddId; // keeps packageID that user just added in this variable
aPackage = PackageDB.GetPackageByID(chosenPkgId); // get package data from database by using packageID
DisplayListOfPackage(); // display list of the package in the combo box and list box
DisplayPackageAndProduct(); // display package data in the textboxes and product in the products listbox
// get first package as a default
lstAllPackage.SelectedIndex = lstAllPackage.Items.Count - 1; // set the last package as a selectedIndex
index = lstAllPackage.SelectedIndex; // keeps the index in variable
}
catch (DBConcurrencyException) // number of rows affected equals zero
{
MessageBox.Show("Concurrency error occurred. Some changes did not happen",
"Concurrency error");
}
catch (SqlException ex) // SQL Server returns a warning or error
{
MessageBox.Show("Database error # " + ex.Number + ": " + ex.Message, ex.GetType().ToString());
}
catch (Exception ex) // any other error
{
MessageBox.Show("Other unanticipated error # " + ex.Message, ex.GetType().ToString());
}
}
}
// ------------------------------------------------------------------
// Pitsini Suwandechochai
// Description: reset all data
// ------------------------------------------------------------------
private void ResetData()
{
lstAllPackage.SelectedIndex = index;
aPackage = PackageDB.GetPackageByID(chosenPkgId);
DisplayPackageAndProduct();
}
// ------------------------------------------------------------------
// Pitsini Suwandechochai
// Description: event -- everytime user choose a package on the listbox
// ------------------------------------------------------------------
private void lstAllPackage_SelectedIndexChanged(object sender, EventArgs e)
{
try
{
// make sure it has package list
if (lstAllPackage.Items.Count > 0)
{
// split the packageID out of the list that user have been chosen, keep it in "chosenPkgId" variable
string[] separators = new string[] { " --- " };
chosenPkgId = Convert.ToInt32(lstAllPackage.SelectedItem.ToString().Split(separators, StringSplitOptions.None)[0]);
// get package data from database and display it
aPackage = PackageDB.GetPackageByID(chosenPkgId);
DisplayPackageAndProduct();
// keep the index of listbox into variable
index = lstAllPackage.SelectedIndex;
}
}
catch (DBConcurrencyException) // number of rows affected equals zero
{
MessageBox.Show("Concurrency error occurred. Some changes did not happen",
"Concurrency error");
}
catch (SqlException ex) // SQL Server returns a warning or error
{
MessageBox.Show("Database error # " + ex.Number + ": " + ex.Message, ex.GetType().ToString());
}
catch (Exception ex) // any other error
{
MessageBox.Show("Other unanticipated error # " + ex.Message, ex.GetType().ToString());
}
}
// ------------------------------------------------------------------
// Pitsini Suwandechochai
// Description: Event - When the form is loaded
// ------------------------------------------------------------------
private void frmPackage_Load(object sender, EventArgs e)
{
try
{
// calls method "GetListOfPackage()" from PackageDB and keep the result in "ListOfPackages"
ListOfPackages = PackageDB.GetListOfPackage();
DisplayListOfPackage(); // display list of package in combo box and listbox
txtPkgId.Focus(); // set focus on PackageId textbox
// get first package as a default
lstAllPackage.SelectedIndex = index;
aPackage = PackageDB.GetPackageByID(chosenPkgId);
DisplayPackageAndProduct();
}
catch (DBConcurrencyException) // number of rows affected equals zero
{
MessageBox.Show("Concurrency error occurred. Some changes did not happen",
"Concurrency error");
}
catch (SqlException ex) // SQL Server returns a warning or error
{
MessageBox.Show("Database error # " + ex.Number + ": " + ex.Message, ex.GetType().ToString());
}
catch (Exception ex) // any other error
{
MessageBox.Show("Other unanticipated error # " + ex.Message, ex.GetType().ToString());
}
}
// ------------------------------------------------------------------
// Pitsini Suwandechochai
// Description: event -- everytime user choose a package on the combo box
// ------------------------------------------------------------------
private void cboPkgName_SelectedIndexChanged(object sender, EventArgs e)
{
try
{
// get a package info from database and display it
aPackage = PackageDB.GetPackageByName(cboPkgName.SelectedItem.ToString());
DisplayPackageAndProduct();
// keeps index and PackageID into variables
index = cboPkgName.SelectedIndex;
chosenPkgId = aPackage.PackageId;
// make a hilight on the listbox
lstAllPackage.SelectedIndex = index;
}
catch (DBConcurrencyException) // number of rows affected equals zero
{
MessageBox.Show("Concurrency error occurred. Some changes did not happen",
"Concurrency error");
}
catch (SqlException ex) // SQL Server returns a warning or error
{
MessageBox.Show("Database error # " + ex.Number + ": " + ex.Message, ex.GetType().ToString());
}
catch (Exception ex) // any other error
{
MessageBox.Show("Other unanticipated error # " + ex.Message, ex.GetType().ToString());
}
}
// ------------------------------------------------------------------
// Pitsini Suwandechochai
// Description: event -- when user click "Search" button
// ------------------------------------------------------------------
private void btnSearch_Click(object sender, EventArgs e)
{
// checks if input is valid
if (IsValidData())
{
try
{
// gets package by ID textbox
aPackage = PackageDB.GetPackageByID(Convert.ToInt32(txtPkgId.Text));
// make sure has package in database
if (aPackage != null)
DisplayPackageAndProduct();
// don't have Package that user try to search in DB
else
{
MessageBox.Show("Package ID: " + txtPkgId.Text + " is not found in Database.");
// gets ready for user to type the new data
txtPkgId.Focus();
txtPkgId.SelectAll();
}
}
catch (DBConcurrencyException) // number of rows affected equals zero
{
MessageBox.Show("Concurrency error occurred. Some changes did not happen",
"Concurrency error");
}
catch (SqlException ex) // SQL Server returns a warning or error
{
MessageBox.Show("Database error # " + ex.Number + ": " + ex.Message, ex.GetType().ToString());
}
catch (Exception ex) // any other error
{
MessageBox.Show("Other unanticipated error # " + ex.Message, ex.GetType().ToString());
}
}
ResetData(); // reset to the previous selected package
}
/*Chen Code End*/
/* Author: Pooja Jairath
* Date: 6th July 2015
* Purpose: Function to return list of PackageIds to populate combo box with Package Ids, so a package can be selected to be edited
*/
public static List<int> GetPackageId()
{
List<int> packageids = new List<int>();
SqlConnection connection = TravelExpertsDB.GetConnection();
string query = "SELECT PackageId FROM Packages";
SqlCommand command = new SqlCommand(query, connection);
try
{
// Open db connection and run query
connection.Open();
SqlDataReader reader = command.ExecuteReader();
// Read dataset fill Packages list
while (reader.Read())
{
Package package = new Package();
package.PackageId = (int)reader["PackageId"];
packageids.Add(package.PackageId);
}
return packageids;
}
catch (SqlException ex)
{
throw ex;
}
finally
{
connection.Close();
}
}
// Event - When the form is loaded
private void frmModifyPackage_Load(object sender, EventArgs e)
{
if (selectedPkgId != 0)
{
try
{
// get package data from DB
ChosenPackage = PackageDB.GetPackageByID(selectedPkgId);
DisplayPackage(); // shows package data in textboxes
}
catch (DBConcurrencyException) // number of rows affected equals zero
{
MessageBox.Show("Concurrency error occurred. Some changes did not happen",
"Concurrency error");
}
catch (SqlException ex) // SQL Server returns a warning or error
{
MessageBox.Show("Database error # " + ex.Number + ": " + ex.Message, ex.GetType().ToString());
}
catch (Exception ex) // any other error
{
MessageBox.Show("Other unanticipated error # " + ex.Message, ex.GetType().ToString());
}
}
}
// ------------------------------------------------------------------
// Pitsini Suwandechochai
// Description: Updating method for package data
// It will return "true" if updating is successful. Otherwise will return "false"
// ------------------------------------------------------------------
public static bool UpdatePackage(int packageID, Package newPackage)
{
SqlConnection connection = TravelExpertsDB.GetConnection();
// update statement
string updateStatement = "UPDATE Packages SET PkgName = @NewName, " +
"PkgStartDate = @NewPkgStartdate, " +
"PkgEndDate = @NewPkgEndDate, " +
"PkgDesc = @NewPkgDesc, " +
"PkgBasePrice = @NewPkgBasePrice, " +
"PkgAgencyCommission = @NewPkgAgencyCommission " +
"Where PackageId = @PackageId ";
SqlCommand updateCommand = new SqlCommand(updateStatement, connection);
// variables that user would like to update
updateCommand.Parameters.AddWithValue("@NewName", newPackage.PkgName);
updateCommand.Parameters.AddWithValue("@NewPkgStartdate", newPackage.PkgStartDate);
updateCommand.Parameters.AddWithValue("@NewPkgEndDate", newPackage.PkgEndDate);
updateCommand.Parameters.AddWithValue("@NewPkgDesc", newPackage.PkgDesc);
updateCommand.Parameters.AddWithValue("@NewPkgBasePrice", newPackage.PkgBasePrice);
updateCommand.Parameters.AddWithValue("@NewPkgAgencyCommission", newPackage.PkgAgencyCommission);
updateCommand.Parameters.AddWithValue("@PackageId", packageID);
try
{
connection.Open();
// run command
int count = updateCommand.ExecuteNonQuery();
if (count > 0)
return true;
else
return false;
}
catch (SqlException ex) // SQL Server returns a warning or error
{
throw ex;
}
finally
{
connection.Close();
}
}
// ------------------------------------------------------------------
// Pitsini
// Insert method for package data
// It will return "true" if inserting is successful. Otherwise will return "false"
// ------------------------------------------------------------------
public static int InsertPackage(Package newPackage)
{
SqlConnection connection = TravelExpertsDB.GetConnection();
// insert statement
string insertStatement = "INSERT INTO Packages(PkgName, PkgStartDate, PkgEndDate, " +
"PkgDesc, PkgBasePrice, PkgAgencyCommission) " +
"VALUES (@newName, @newSDate,@newEDate, @newDesc, @newBasePrice, @newCommission)";
SqlCommand insertCommand = new SqlCommand(insertStatement, connection);
// variables that user would like to insert
insertCommand.Parameters.AddWithValue("@newName", newPackage.PkgName);
insertCommand.Parameters.AddWithValue("@newSDate", newPackage.PkgStartDate);
insertCommand.Parameters.AddWithValue("@newEDate", newPackage.PkgEndDate);
insertCommand.Parameters.AddWithValue("@newDesc", newPackage.PkgDesc);
insertCommand.Parameters.AddWithValue("@newBasePrice", newPackage.PkgBasePrice);
insertCommand.Parameters.AddWithValue("@newCommission", newPackage.PkgAgencyCommission);
try
{
connection.Open();
// run command
int count = insertCommand.ExecuteNonQuery();
if (count > 0)
{
Package pkg = new Package();
pkg = GetPackageByName(newPackage.PkgName);
return pkg.PackageId;
}
else
return 0;
}
catch (SqlException ex)
{
throw ex;
}
finally
{
connection.Close();
}
}
// ------------------------------------------------------------------
// Pitsini Suwandechochai
// Description: use PackageName to get one package info from DB
// Method to used: GetPackageByName(PackageName)
// ------------------------------------------------------------------
public static Package GetPackageByName(string PackageName)
{
SqlConnection connectDB = TravelExpertsDB.GetConnection();
// select statement
string selectStatement = "SELECT * " +
"FROM Packages " +
"WHERE PkgName = @PackageName ";
SqlCommand selectCommand = new SqlCommand(selectStatement, connectDB);
// @PackageName is a variable that we pass the value from textbox
selectCommand.Parameters.AddWithValue("@PackageName", PackageName);
// executes commmand
try
{
connectDB.Open();
SqlDataReader pkgReader = selectCommand.ExecuteReader(CommandBehavior.SingleRow);
Package package = new Package();
if (pkgReader.Read()) // if geting a row successful
{
// retrive data from data reader to the object
package.PackageId = (int)pkgReader["PackageId"];
package.PkgName = pkgReader["PkgName"].ToString();
package.PkgStartDate = (DateTime)pkgReader["PkgStartDate"];
package.PkgEndDate = (DateTime)pkgReader["PkgEndDate"];
package.PkgDesc = pkgReader["PkgDesc"].ToString();
package.PkgBasePrice = (decimal)pkgReader["PkgBasePrice"];
package.PkgAgencyCommission = (decimal)pkgReader["PkgAgencyCommission"];
List<Product> ProductList = GetListOfProduct(package.PackageId);
return package;
}
else // if coun't find data in DB
{
return null;
}
}
catch (SqlException ex) // SQL Server returns a warning or error
{
throw ex;
}
finally
{
connectDB.Close();
}
}
/*
* Author: Aaron Mill
* Date: July 6, 2015
*/
public static bool UpdatePackage(Package package)
{
SqlConnection connection = TravelExpertsDB.GetConnection();
string updateStatement =
"UPDATE Packages SET " +
"PkgName = @PkgName, " +
"PkgStartDate = @PkgStartDate, " +
"PkgEndDate = @PkgEndDate, " +
"PkgDesc = @PkgDesc, " +
"PkgBasePrice = @PkgBasePrice, " +
"PkgAgencyCommission = @PkgAgencyCommission " +
"WHERE PackageId = @PackageId";
SqlCommand updateCommand =
new SqlCommand(updateStatement, connection);
updateCommand.Parameters.AddWithValue(
"@PkgName", package.PkgName);
updateCommand.Parameters.AddWithValue(
"@PkgStartDate", package.PkgStartDate);
updateCommand.Parameters.AddWithValue(
"@PkgEndDate", package.PkgEndDate);
updateCommand.Parameters.AddWithValue(
"@PkgDesc", package.PkgDesc);
updateCommand.Parameters.AddWithValue(
"@PkgBasePrice", package.PkgBasePrice);
updateCommand.Parameters.AddWithValue(
"@PkgAgencyCommission", package.PkgAgencyCommission);
updateCommand.Parameters.AddWithValue(
"@PackageId", package.PackageId);
try
{
connection.Open();
int count = updateCommand.ExecuteNonQuery();
if (count > 0)
return true;
else
return false;
}
catch (SqlException ex)
{
throw ex;
}
finally
{
connection.Close();
}
}
/*Chen Code Start*/
public static List<Package> GetPackages(string filter)
{
List<Package> packages = new List<Package>();
SqlConnection connection = TravelExpertsDB.GetConnection();
string query = "SELECT PackageId, PkgName, PkgStartDate, PkgEndDate, PkgDesc, " +
"PkgBasePrice, PkgAgencyCommission " +
" FROM Packages " +
" WHERE PackageId > -1 " + filter;
SqlCommand command = new SqlCommand(query, connection);
try
{
// Open db connection and run query
connection.Open();
SqlDataReader reader = command.ExecuteReader();
// Read dataset fill Packages list
while (reader.Read())
{
Package package = new Package();
package.PackageId = (int)reader["PackageId"];
package.PkgName = reader["PkgName"].ToString();
package.PkgStartDate = (DateTime)reader["PkgStartDate"];
package.PkgEndDate = (DateTime)reader["PkgEndDate"];
package.PkgDesc = reader["PkgDesc"].ToString();
package.PkgBasePrice = Convert.ToDouble(reader["PkgBasePrice"]);
package.PkgAgencyCommission = Convert.ToDouble(reader["PkgAgencyCommission"]);
packages.Add(package);
}
return packages;
}
catch (SqlException ex)
{
throw ex;
}
finally
{
connection.Close();
}
}
// ------------------------------------------------------------------
// Paul Teixiera
// ------------------------------------------------------------------
private void btnEditProduct_Click(object sender, EventArgs e)
{
//opens editproducts and sends back list
DialogResult result;
frmProductInPackage ProductInPackageForm = new frmProductInPackage();
if (txtPkgId.Text.Length>0) //is there any other checks for this? can we make pkgID nullable type?
{
ProductInPackageForm.PkgId = Convert.ToInt32(txtPkgId.Text); //this needs checking if I am doing validation on pkgform
result = ProductInPackageForm.ShowDialog();
if (result == DialogResult.OK)
{
//clear and reload functions
aPackage = PackageDB.GetPackageByID(chosenPkgId);
DisplayPackageAndProduct();
}
}
else MessageBox.Show("Package not selected");
}
// ------------------------------------------------------------------
// Pitsini Suwandechochai
// Description: Event - when user click "Save" button
// ------------------------------------------------------------------
private void btnSave_Click(object sender, EventArgs e)
{
frmModifyPackage modForm = new frmModifyPackage();
// validate data
if (IsValidData())
{
try
{
// prepare package data into the new package object
Package newPackage = new Package();
newPackage.PkgName = txtPkgName.Text;
newPackage.PkgStartDate = Convert.ToDateTime(dtpStartDate.Text);
newPackage.PkgEndDate = Convert.ToDateTime(dtpEndDate.Text);
newPackage.PkgDesc = rtxtDesc.Text;
newPackage.PkgBasePrice = Convert.ToDecimal(txtBasePrice.Text);
newPackage.PkgAgencyCommission = Convert.ToDecimal(txtAgencyCommission.Text);
// insert package object into database
newJustAddId = PackageDB.InsertPackage(newPackage);
// if inserting is fail
if (newJustAddId == 0)
{
MessageBox.Show("Somthing went wrong with Database. " +
"Please check with your Administrator.", "Database Error");
this.DialogResult = DialogResult.Retry;
}
// inserting is success
else
{
MessageBox.Show("Add package is Successful!", "Alert");
this.DialogResult = DialogResult.OK;
this.Close();
}
}
catch (DBConcurrencyException) // number of rows affected equals zero
{
MessageBox.Show("Concurrency error occurred. Some changes did not happen",
"Concurrency error");
}
catch (SqlException ex) // SQL Server returns a warning or error
{
MessageBox.Show("Database error # " + ex.Number + ": " + ex.Message, ex.GetType().ToString());
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, ex.GetType().ToString());
}
}
}
// event -- when user click "Modify" button
private void btnModPkg_Click(object sender, EventArgs e)
{
// check if user have selected a package that wants to modify
if (chosenPkgId != 0)
{
// send packageId to modify form
ModifyPackageForm.selectedPkgId = chosenPkgId;
// show Modify form
DialogResult result;
result = ModifyPackageForm.ShowDialog();
// if successful update data
if (result == DialogResult.OK)
{
chosenPkgId = ModifyPackageForm.selectedPkgId; // keep present packageID
ModifyPackageForm.selectedPkgId = 0; // reset variable
// get the list of packages data from DB and display
ListOfPackages = PackageDB.GetListOfPackage();
DisplayListOfPackage();
txtPkgId.Focus();
// get package info and display
lstAllPackage.SelectedIndex = index;
aPackage = PackageDB.GetPackageByID(chosenPkgId);
DisplayPackageAndProduct();
}
}
// show message that user have to choose package first
else
MessageBox.Show("Please select package before modify.");
}
// Event - when user click "Save" button
private void btnSave_Click(object sender, EventArgs e)
{
// validate data
if (IsValidData())
{
try
{
// prepare package data into the new package object
Package newPackage = new Package(selectedPkgId, txtPkgName.Text, dtpStartDate.Value,
dtpEndDate.Value, rtxtDesc.Text,
decimal.Parse(txtBasePrice.Text,
NumberStyles.Currency, CultureInfo.CurrentCulture.NumberFormat),
decimal.Parse(txtAgencyCommission.Text,
NumberStyles.Currency, CultureInfo.CurrentCulture.NumberFormat));
// if cannot update data. It will show an error
if (!PackageDB.UpdatePackage(selectedPkgId, newPackage))
{
MessageBox.Show("Another user has updated or " +
"deleted that customer.", "Database Error");
this.DialogResult = DialogResult.Retry;
}
else
{
// if updating is successful
MessageBox.Show("Package has been updated!!!");
this.DialogResult = DialogResult.OK;
this.Close();
}
}
catch (DBConcurrencyException) // number of rows affected equals zero
{
MessageBox.Show("Concurrency error occurred. Some changes did not happen",
"Concurrency error");
}
catch (SqlException ex) // SQL Server returns a warning or error
{
MessageBox.Show("Database error # " + ex.Number + ": " + ex.Message, ex.GetType().ToString());
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, ex.GetType().ToString());
}
}
}
/* Author: Pooja Jairath
* Date: 6th July 2015
* Purpose: Function to retrieve package data based on PackageId from table Packages, to make it available to be edited
*/
public static Package GetPackage(int packageid)
{
SqlConnection connection = TravelExpertsDB.GetConnection();
string selectStatement = "SELECT * from Packages WHERE PackageId = @PackageId ";
SqlCommand selectCommand = new SqlCommand(selectStatement, connection);
selectCommand.Parameters.AddWithValue("@PackageId", packageid);
try
{
connection.Open();
SqlDataReader packReader = selectCommand.ExecuteReader(CommandBehavior.SingleRow);
if (packReader.Read())
{
Package package = new Package();
package.PackageId = (int)packReader["PackageId"];
package.PkgName = packReader["PkgName"].ToString();
package.PkgStartDate = (DateTime)packReader["PkgStartDate"];
package.PkgEndDate = (DateTime)packReader["PkgEndDate"];
package.PkgDesc = packReader["PkgDesc"].ToString();
package.PkgBasePrice = Convert.ToDouble(packReader["PkgBasePrice"]);
package.PkgAgencyCommission = Convert.ToDouble(packReader["PkgAgencyCommission"]);
return package;
}
else
{
return null;
}
}
catch (SqlException ex)
{
throw ex;
}
finally
{
connection.Close();
}
}
