/// <summary>
/// Search for all the borrow record accord to the input conditions
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button1_Click(object sender, EventArgs e)
{
try
{
LibraryEntity context = new LibraryEntity();
if (String.IsNullOrEmpty(tbBookID.Text))
{
var q = from x in context.Borrow
where x.NRIC.Contains(tbNRIC.Text) &&
(x.DateIssue >= dtpIssueDate.Value.Date && x.DateDue <= dtpDueDate.Value.Date) &&
x.RentalStatus == "out"
select new { x.TransactionID, x.Books.Title, x.Member.NRIC, x.Member.MemberName };
dvwMemberBorrows.DataSource = q.ToList();
}
else
{
int bookid = Convert.ToInt32(tbBookID.Text);
var q = from x in context.Borrow
where x.BookID == bookid &&
x.NRIC.Contains(tbNRIC.Text) &&
(x.DateIssue >= dtpIssueDate.Value.Date && x.DateDue <= dtpDueDate.Value.Date) &&
x.RentalStatus == "out"
select new { x.TransactionID, x.Books.Title, x.Member.NRIC, x.Member.MemberName };
dvwMemberBorrows.DataSource = q.ToList();
}
}
catch (Exception)
{
MessageBox.Show("Please input booksid!");
}
}
private void btnUpdate_Click(object sender, EventArgs e)
{
LibraryEntity context = new LibraryEntity();
try
{
Member m = context.Member.Where(x => x.NRIC == tbNRIC.Text).First();
if (tbName.Text != "" && tbContact.Text != "" && tbEmail.Text != "" && m.Address != "")
{
m.MemberName = tbName.Text;
m.Phone = tbContact.Text;
m.Email = tbEmail.Text;
m.Address = tbAddress.Text;
context.SaveChanges();
MessageBox.Show("Update successfully!");
}
else
{
MessageBox.Show("Fill in the all the details");
}
}
catch (System.Data.Entity.Infrastructure.DbUpdateException)
{
MessageBox.Show("Fill in the all the details");
}
catch (System.InvalidOperationException)
{
MessageBox.Show("Invalid NRIC");
}
}
/// <summary>
/// Quotq plus 1
/// </summary>
private void AddQuota()
{
LibraryEntity context = new LibraryEntity();
Member mem = context.Member.Where(x => x.NRIC == txtNRIC.Text).First();
mem.Quota = mem.Quota + 1;
context.SaveChanges();
}
/// <summary>
/// Search for all the borrow record for a given member
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnCheckMember_Click(object sender, EventArgs e)
{
LibraryEntity context = new LibraryEntity();
var q = from x in context.Borrow
where x.NRIC == tbNRIC.Text
select new { x.TransactionID, x.Books.Title, x.Member.NRIC, x.Member.MemberName, x.DateIssue, x.DateDue };
dvwMemberBorrows.DataSource = q.ToList();
}
/// <summary>
/// Total stock plus 1
/// </summary>
private void Addtotalstock()
{
LibraryEntity context = new LibraryEntity();
string BokID = dvwBooks.CurrentRow.Cells["BookID"].Value.ToString();
int BookID = Convert.ToInt32(BokID);
Books bok = context.Books.Where(x => x.BookID == BookID).First();
bok.TotalStock = (short)(bok.TotalStock + 1);
context.SaveChanges();
}
private void btnSearch_Click(object sender, EventArgs e)
{
LibraryEntity context = new LibraryEntity();
var q = from x in context.vw_min_book
where x.Title.Contains(tbTitle.Text) && x.Author.Contains(tbAuthor.Text) && x.Genre.Contains(cmbGenre.Text)
select x;
dvwBooks.DataSource = q.ToList();
toolStripStatusLabel1.Text = q.Count().ToString() + " books found";
}
/// <summary>
/// Set status to 'in'
/// </summary>
private void BookReturn()
{
LibraryEntity context = new LibraryEntity();
string TranID = dvwBooks.CurrentRow.Cells["TransactionID"].Value.ToString();
int TransID = Convert.ToInt32(TranID);
Borrow bor = context.Borrow.Where(x => x.TransactionID == TransID).First();
bor.RentalStatus = "in";
bor.DateActualReturn = DateTime.Now;
context.SaveChanges();
}
private void btnBooksSearch_Click(object sender, EventArgs e)
{
LibraryEntity context = new LibraryEntity();
string title = tbTitle.Text;
string author = tbAuthor.Text;
string callNumber = tbCallNumber.Text;
var q = from x in context.Books
where x.Title.Contains(title) && x.Author.Contains(author) && x.CallNumber.Contains(callNumber) && x.Genre.Contains(cmbGenre.Text)
select x;
dvwBooks.DataSource = q.ToList();
toolStripStatusLabel1.Text = q.Count().ToString() + " books found";
}
/// <summary>
/// Search for all the borrow record for a given member
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnCheckBook_Click_1(object sender, EventArgs e)
{
try
{
LibraryEntity context = new LibraryEntity();
int bookid = Convert.ToInt32(tbBookID.Text);
dvwMemberBorrows.DataSource = context.Borrow.Where(x => x.BookID == bookid).ToList();
}
catch (System.FormatException)
{
MessageBox.Show("Please select a book!");
}
}
private void SearchMember()
{
LibraryEntity context = new LibraryEntity();
string name = tbName.Text;
string phone = tbPhone.Text;
string email = tbEmail.Text;
string address = tbAddress.Text;
string NRIC = this.value;
var q = from x in context.Member
where x.NRIC.Contains(NRIC) && x.MemberName.Contains(name) && x.Phone.Contains(phone) && x.Email.Contains(email) && x.Address.Contains(address)
select x;
dvwMember.DataSource = q.ToList();
}
private void btnSearchMember_Click(object sender, EventArgs e)
{
LibraryEntity context = new LibraryEntity();
SearchMemberDialogue searchMember = new SearchMemberDialogue();
searchMember.ShowDialog();
if (searchMember.DialogResult == DialogResult.OK)
{
Member member = context.Member.Where(x => x.NRIC == searchMember.NRIC).First();
tbNRIC.Text = member.NRIC.ToString();
tbName.Text = member.MemberName.ToString();
tbEmail.Text = member.Email.ToString();
tbContact.Text = member.Phone.ToString();
tbAddress.Text = member.Address.ToString();
}
}
/// <summary>
/// Total stock in book table minus 1
/// </summary>
private void TotalStockminus()
{
LibraryEntity context = new LibraryEntity();
int bookID = Convert.ToInt32(txtBookID.Text);
try
{
Books bok = context.Books.Where(x => x.BookID == bookID).First();
bok.TotalStock = (short)(bok.TotalStock - 1);
context.SaveChanges();
}
catch (Exception e)
{
MessageBox.Show(e.ToString());
}
}
/// <summary>
/// Insert a record into borrow table
/// </summary>
private void Borrow()
{
LibraryEntity context = new LibraryEntity();
Borrow bo = new Borrow();
Member me = context.Member.Where(x => x.NRIC == txtNRIC.Text).First();
int bookID = Convert.ToInt32(txtBookID.Text);
Books bok = context.Books.Where(x => x.BookID == bookID).First();
bo.Member = me;
bo.Books = bok;
bo.BookID = bok.BookID;
bo.NRIC = me.NRIC;
bo.RentalStatus = "out";
bo.DateIssue = dtpDOI.Value;
bo.DateDue = dtpDueDate.Value;
bo.Remarks = txtRemarks.Text;
context.Borrow.Add(bo);
context.SaveChanges();
}
/// <summary>
/// Delete the member
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnDelete_Click(object sender, EventArgs e)
{
LibraryEntity context = new LibraryEntity();
try
{
Member member = context.Member.Where(x => x.NRIC == tbNRIC.Text).First();
context.Member.Remove(member);
context.SaveChanges();
MessageBox.Show("successful");
tbNRIC.Text = null;
tbName.Text = null;
tbEmail.Text = null;
tbContact.Text = null;
tbAddress.Text = null;
}
catch (Exception)
{
MessageBox.Show("Invalid NRIC");
}
}
/// <summary>
/// Issue borrow book: Insert a borrow record to the borrow table, the total stock of the book minus 1, the quota for member minus 1
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnIssuebook_Click(object sender, EventArgs e)
{
LibraryEntity context = new LibraryEntity();
try
{
using (TransactionScope transScope = new TransactionScope())
{
int bookID = Convert.ToInt32(txtBookID.Text);
Books bok = context.Books.Where(x => x.BookID == bookID).First();
Member mem = context.Member.Where(x => x.NRIC == txtNRIC.Text).First();
if (bok.TotalStock > 0 && mem.Quota > 0)
{
this.Borrow();
this.TotalStockminus();
this.Quotaminus();
toolStripStatusLabel1.Text = "Lend successfully";
// Auto increment column, the last record is the newest record
int Count = context.Borrow.Count();
Borrow bor = context.Borrow.ToList()[Count - 1];
int TraID = bor.TransactionID;
if (cbPrintReceipt.CheckState == CheckState.Checked)
{
// The receipt form should given a tranID
ReceiptForm rececipt = new ReceiptForm(TraID);
rececipt.Show();
}
}
else
{
MessageBox.Show("Please check the totalstock of " + bok.Title + "or the quota of" + mem.MemberName);
}
transScope.Complete();
}
}
catch (Exception)
{
MessageBox.Show("Please check your NRIC or BookID");
}
}
private void btnUpdate_Click(object sender, EventArgs e)
{
LibraryEntity context = new LibraryEntity();
Books b = new Books();
try
{
b.Title = tbTitle.Text;
b.Author = tbAuthor.Text;
b.TotalStock = Convert.ToInt16(tbTotalStock.Text);
b.Genre = cmbGenre.SelectedItem.ToString();
b.CallNumber = tbCallNumber.Text;
context.Books.Add(b);
context.SaveChanges();
MessageBox.Show("Update successfull");
this.Close();
}
catch (System.Data.Entity.Infrastructure.DbUpdateException)
{
MessageBox.Show("fill in the all the details");
}
}
private void btnSignup_Click(object sender, EventArgs e)
{
LibraryEntity context = new LibraryEntity();
Member m = new Member();
try
{
m.NRIC = tbNRIC.Text;
m.MemberName = tbName.Text;
m.Phone = tbContact.Text;
m.Email = tbEmail.Text;
m.Address = tbAddress.Text;
///
///The quota for every new member is 4
///
m.Quota = 4;
context.Member.Add(m);
context.SaveChanges();
}
catch (System.Data.Entity.Infrastructure.DbUpdateException)
{
MessageBox.Show("fill in the all the details");
}
}
private void btnLogin_Click(object sender, EventArgs e)
{
LibraryEntity context = new LibraryEntity();
if (tbMemberID.Text == "Venkat")
{
if (tbPassword.Text == "P@ssword1")
{
SearchBookForm form = new SearchBookForm();
form.ShowDialog(this);
this.Close();
}
else
{
MessageBox.Show("Incorect password!");
}
}
else
{
int id = Convert.ToInt32(tbMemberID.Text);
string password = tbPassword.Text;
try
{
Staff staff = context.Staff.Where(x => x.StaffID == id && x.Password == password).First();
if (staff != null)
{
SearchBookForm form = new SearchBookForm();
form.ShowDialog(this);
this.Close();
}
}
catch (System.InvalidOperationException)
{
MessageBox.Show("Incorect password!", "ERROR");
}
}
}
private void btnSearchBook_Click(object sender, EventArgs e)
{
LibraryEntity context = new LibraryEntity();
dvwBooks.DataSource = context.Borrow.Where(x => x.NRIC == txtNRIC.Text && x.RentalStatus == "out").ToList();
}
