private void button2_Click(object sender, EventArgs e)
{
BorrowBL a = new BorrowBL();
BorrowDA b = new BorrowDA();
int code = 0;
try
{
code = int.Parse(textBox3.Text);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
return;
}
bool test = a.checkCopy(code);
if (!test)
{
MessageBox.Show("You can't borrow this copy !");
return;
}
bool test1 = a.checkFive(int.Parse(textBox1.Text));
if (!test1)
{
MessageBox.Show("You have borrowed 5 copies !");
return;
}
bool test2 = a.checkReserve1(code);
if (!test2)
{
textBox4.Text = DateTime.Now.ToString("d/M/yyyy");
textBox3.Enabled = false;
button2.Enabled = false;
button3.Enabled = true;
textBox4.Enabled = true;
}
else
{
bool test3 = a.checkReserve(code, b.getBoNum(code), int.Parse(textBox1.Text));
//MessageBox.Show("" + a.checkReserve1(code));
if (!test3)
{
MessageBox.Show("This book have resserved by other person !");
return;
}
else
{
textBox3.Enabled = false;
textBox4.Text = DateTime.Now.ToString("d/M/yyyy");
button2.Enabled = false;
textBox4.Enabled = true;
button3.Enabled = true;
}
}
}
public bool checkReserve(int copyNum, int boNum, int brNum)
{
//bool test = checkReserve1(copyNum);
BorrowDA a = new BorrowDA();
int k = a.getBrNum(boNum);
if (k == brNum)
{
return true;
}
else return false;
}
public bool checkReserve1(int copyNum)
{
BorrowDA a = new BorrowDA();
int bN = a.getBoNum(copyNum);
SqlConnection cn=new SqlConnection("Data Source=localhost;Initial Catalog=Library;Integrated Security=True");
SqlDataAdapter da = new SqlDataAdapter("select * from Reservation where bookNumber =" + bN + "AND status = 'R'", cn);
DataSet ds = new DataSet();
da.Fill(ds);
if (ds.Tables[0].Rows.Count < 1)
{
return false;
}
return true;
}
private void button1_Click(object sender, EventArgs e)
{
BorrowDA b = new BorrowDA();
BorrowBL a = new BorrowBL();
int code = 0;
try
{
code = int.Parse(textBox1.Text);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
return;
}
bool test = a.checkMember(code);
if (!test)
{
MessageBox.Show("Don't have this member in Database");
return;
}
else
{
DataSet ds = b.SelectDS(code);
DataView dv = new DataView(ds.Tables[0]);
dataGridView1.DataSource = dv;
textBox2.Text = b.getName(code);
textBox3.Enabled = true;
button2.Enabled = true;
textBox1.Enabled = false;
textBox2.Enabled = false;
button1.Enabled = false;
}
}
private void button3_Click(object sender, EventArgs e)
{
BorrowBL a = new BorrowBL();
BorrowDA b = new BorrowDA();
DateTime brDate = new DateTime();
try
{
brDate = DateTime.ParseExact(textBox4.Text, "d/M/yyyy", null);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
return;
}
DateTime dueDate = brDate.AddDays(14);
textBox5.Text = dueDate.ToShortDateString();
int copyNum = int.Parse(textBox3.Text);
int brNum = int.Parse(textBox1.Text);
CirculatedCopy h = new CirculatedCopy();
a.SetIdMax();
h.Id = ++a.idMax;
h.CopyNumber = copyNum;
h.BorrowerNumber = brNum;
h.BorrowedDate = brDate;
h.DueDate = dueDate;
b.insertBorrow(h);
b.borrowUpdate(copyNum);
DataSet ds = b.SelectDS(brNum);
DataView dv = new DataView(ds.Tables[0]);
dataGridView1.DataSource = dv;
bool test2 = a.checkReserve1(copyNum);
bool test3 = a.checkReserve(copyNum, b.getBoNum(copyNum), int.Parse(textBox1.Text));
if (test2 && test3)
{
b.borrowReUpdate(b.getBoNum(copyNum), int.Parse(textBox1.Text));
}
button3.Enabled = false;
}
public void SetIdMax()
{
BorrowDA a = new BorrowDA();
idMax = a.GetIdMax();
}
private void button3_Click(object sender, EventArgs e)
{
BorrowBL a = new BorrowBL();
BorrowDA b = new BorrowDA();
//DateTime returnDate = new DateTime();
CirculatedCopy c = new CirculatedCopy();
try
{
c.Id = int.Parse(dataGridView1.SelectedRows[0].Cells["ID"].Value.ToString());
c.CopyNumber = int.Parse(dataGridView1.SelectedRows[0].Cells["copyNumber"].Value.ToString());
c.BorrowerNumber = int.Parse(dataGridView1.SelectedRows[0].Cells["borrowerNumber"].Value.ToString());
c.DueDate = Convert.ToDateTime(dataGridView1.SelectedRows[0].Cells["dueDate"].Value.ToString());
c.BorrowedDate = Convert.ToDateTime(dataGridView1.SelectedRows[0].Cells["borrowedDate"].Value.ToString());
}
catch (Exception)
{
MessageBox.Show("You must select a book !");
return;
}
try
{
c.ReturnedDate = DateTime.ParseExact(textBox3.Text, "d/M/yyyy", null);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
return;
}
if (c.ReturnedDate.Date < c.BorrowedDate)
{
MessageBox.Show("BorrowedDate must less than ReturnedDate !");
return;
}
TimeSpan dayLater = c.ReturnedDate.Date - c.DueDate;
double ngay = dayLater.TotalDays;
if (ngay > 0)
{
textBox4.Text = "" + ngay;
}
else textBox4.Text = "0";
dataGridView1.Enabled = false;
textBox3.Enabled = false;
button3.Enabled = false;
button2.Enabled = true;
}