/// <summary>
/// creates a record with CustomerId and CustEmail which are mandatory
/// </summary>
/// <param name="register"></param>
/// <returns></returns>
public static int EmailRegistration(CustomerRegistration register)
{
SqlConnection conn = TravelExpertsDB.GetConnection();
string sql = "INSERT INTO Customers (CustEmail) VALUES "
+ "( @CustEmail)";
SqlCommand cmd = new SqlCommand(sql, conn);
cmd.Parameters.AddWithValue("@CustEmail", register.CustEmail);
try
{
conn.Open();
cmd.ExecuteNonQuery();
String selectQuery = "select ident_current('customers') from customers";
SqlCommand selectCmd = new SqlCommand(selectQuery, conn);
int customerID = Convert.ToInt32(selectCmd.ExecuteScalar());
return(customerID);
}
catch (System.Data.SqlClient.SqlException ex)
{
string msg = "Insert Error:";
msg += ex.Message;
throw new Exception(msg);
}
finally
{
conn.Close();
}
}
/// <summary>
/// the function is used to update the data for the customer logged in
/// </summary>
/// <param name="oldCust"></param>
/// <param name="newCust"></param>
/// <returns></returns>
public static bool updateCustomer(CustomerRegistration oldCust, CustomerRegistration newCust)
{
SqlConnection con = TravelExpertsDB.GetConnection();
string updateStatement = "update Customers set " +
"CustFirstName = @newCustFirstName, " +
"CustLastName = @newCustLastName, " +
"CustAddress = @newCustAddress, " +
"CustCity = @newCustCity, " +
"CustProv = @newCustProv, " +
"CustPostal = @newCustPostal, " +
"CustCountry = @newCustCountry, " +
"CustHomePhone = @newCustHomePhone, " +
"CustBusPhone = @newCustBusPhone, " +
"CustEmail = @newCustEmail " +
"where CustomerID = @oldCustomerID";
SqlCommand cmd = new SqlCommand(updateStatement, con);
cmd.Parameters.AddWithValue("@newCustFirstName", newCust.CustFirstName);
cmd.Parameters.AddWithValue("@newCustLastName", newCust.CustLastName);
cmd.Parameters.AddWithValue("@newCustAddress", newCust.CustAddress);
cmd.Parameters.AddWithValue("@newCustCity", newCust.CustCity);
cmd.Parameters.AddWithValue("@newCustProv", newCust.CustProv);
cmd.Parameters.AddWithValue("@newCustPostal", newCust.CustPostal);
cmd.Parameters.AddWithValue("@newCustCountry", newCust.CustCountry);
cmd.Parameters.AddWithValue("@newCustHomePhone", newCust.CustHomePhone);
cmd.Parameters.AddWithValue("@newCustBusPhone", newCust.CustBusPhone);
cmd.Parameters.AddWithValue("@newCustEmail", newCust.CustEmail);
cmd.Parameters.AddWithValue("@oldCustomerID", oldCust.CustomerID);
try
{
con.Open();
int count = cmd.ExecuteNonQuery();
if (count > 0)
{
return(true);
}
else
{
return(false);
}
}
catch (SqlException ex)
{
throw ex;
}
finally
{
con.Close();
}
}
/// <summary>
/// gets the customer details depending on the customer ID
/// </summary>
/// <param name="customerEmail"></param>
/// <returns></returns>
public static CustomerRegistration GetCustomers(int customerID)
{
SqlConnection con = TravelExpertsDB.GetConnection();
string selectStatement = "select CustFirstName, CustLastName, CustAddress, CustCity, CustProv, CustPostal, CustCountry, CustHomePhone, CustBusPhone, CustEmail from Customers " +
"where CustomerID = @CustomerID";
SqlCommand cmd = new SqlCommand(selectStatement, con);
cmd.Parameters.AddWithValue("@CustomerID", customerID);
try
{
con.Open();
SqlDataReader reader = cmd.ExecuteReader(CommandBehavior.SingleRow);
if (reader.Read())
{
CustomerRegistration CR = new CustomerRegistration()
{
CustFirstName = reader["CustFirstName"].ToString(),
CustLastName = reader["CustLastName"].ToString(),
CustAddress = reader["CustAddress"].ToString(),
CustCity = reader["CustCity"].ToString(),
CustProv = reader["CustProv"].ToString(),
CustPostal = reader["CustPostal"].ToString(),
CustCountry = reader["CustCountry"].ToString(),
CustHomePhone = reader["CustHomePhone"].ToString(),
CustBusPhone = reader["CustBusPhone"].ToString(),
CustEmail = reader["CustEmail"].ToString()
};
return(CR);
}
else
{
return(null);
}
}
catch (SqlException ex)
{
throw ex;
}
finally
{
con.Close();
}
}
