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- using System;
- using System.Collections.Generic;
- using System.Data;
- using System.Data.OleDb;
- using System.ComponentModel;
- namespace CustomObjects
- {
- public class Booking:ObjectBase
- {
- private int pBookingNo=0;
- private BindingList<Loans> pCashLoans = new BindingList<Loans>();
- public int BookingNo
- {
- get { return pBookingNo; }
- set
- {
- if (!value.Equals(pBookingNo))
- {
- pBookingNo = value;
- PropertyHasChanged("BookingNo");
- }
- }
- }
- public BindingList<Loans> CashLoans
- {
- get { return pCashLoans; }
- set
- {
- pCashLoans = value;
- //CalculateCashLoan(this,new System.ComponentModel.ListChangedEventArgs(ListChangedType.Reset,-1));
- PropertyHasChanged("CashLoans");
- }
- }
- private decimal pTakenCashLoan = 0;
- public decimal TakenCashLoan
- {
- get { return pTakenCashLoan; }
- set
- {
- pTakenCashLoan = value;
- PropertyHasChanged("TakenCashLoan");
- }
- }
- public void CalculateCashLoan(object sender, ListChangedEventArgs args)
- {
- decimal total = 0;
- foreach (Loans loan in pCashLoans)
- {
- total += loan.LoanAmount;
- }
- this.TakenCashLoan = total;
- }
- public Booking()
- {
- this.pCashLoans.ListChanged += this.CalculateCashLoan;
- }
- public static Booking FillEntity(OleDbDataReader Reader, OleDbConnection Connection)
- {
- Booking booking = new Booking();
- booking.BookingNo = (int)Reader["BookingNo"];
- booking.CashLoans = Loans.GetLoanList(booking.BookingNo, 1, Connection);
- booking.MarkOld();
- return booking;
- }
- public static Booking GetEntity(int bookingNo, string ConnectionString)
- {
- Booking booking =new Booking();
- using (OleDbConnection Connection = new OleDbConnection(ConnectionString))
- {
- string sqlSelect = "SELECT BookingNo FROM tblBooking WHERE BookingNo=" + bookingNo + "";
- using (OleDbCommand cmd = new OleDbCommand(sqlSelect, Connection))
- {
- Connection.Open();
- OleDbDataReader bReader = cmd.ExecuteReader();
- if (bReader.HasRows)
- {
- bReader.Read();
- booking = FillEntity(bReader, Connection);
- }
- Connection.Close();
- if (!bReader.IsClosed)
- {
- bReader.Close();
- }
- }
- }
- return booking;
- }
- }
- }
- private void frmMain_Load(object sender, EventArgs e)
- {
- AddDataBindings();
- cmbBookingType.DataSource = BookingType.GetSelectionList(ConnectionString.CreateConnectionStringForAccess("LOCAL", "2012"));
- }
- private Booking booking=new Booking();
- private void button1_Click(object sender, EventArgs e)
- {
- try
- {
- booking = Booking.GetEntity(1, ConnectionString.CreateConnectionStringForAccess("LOCAL", "2012"));
- bsBooking.DataSource = booking;
- }
- catch (Exception Ex)
- {
- MessageBox.Show(Ex.Message);
- MessageBox.Show(Ex.StackTrace);
- }
- }
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