private void Libextendbook_Load(object sender, EventArgs e)
{
context = new LibrarySevenAEntities();
List <BookTransaction> lbt = new List <BookTransaction>();
try
{
lbt = context.BookTransactions.Where(x => x.MemberID == memberID).ToList();
if (lbt.Count > 0)
{
List <object> lbtd = new List <object>();
for (int i = 0; i < lbt.Count; i++)
{
int temp = Convert.ToInt32(lbt[i].TransactionID.ToString());
var q = from x in context.BookTransDetails
where x.TransactionID == temp && x.RentalStatus == false
select new { x.TransactionID, x.BookID, x.book.BookTitle, x.DateDue };
if (q.ToList().Count > 0)
{
object bktd = q.ToList().First();
lbtd.Add(bktd);
}
}
dataGridView1.DataSource = lbtd;
this.dataGridView1.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
}
}
catch (InvalidOperationException)
{
MessageBox.Show("No previous transaction found!");
}
}
private void MainForm_Load(object sender, EventArgs e)
{
LibrarySevenAEntities context = new LibrarySevenAEntities();
Employee emp = context.Employees.Where(x => x.EmployeeID == temp1.empid).ToList().First();
string str = emp.EmployeeName.ToString();
label1.Text = "Welcome! " + str;
}
private void ShowDitailButton_Click(object sender, EventArgs e)
{
context = new LibrarySevenAEntities();
int TrID = Convert.ToInt32(dataGridView1.CurrentRow.Cells[0].Value.ToString());
var q = context.BookTransDetails.Where(x => x.TransactionID == TrID);
dataGridView2.DataSource = q.ToList();
dataGridView2.Columns[5].Visible = false;
dataGridView2.Columns[6].Visible = false;
}
private void ExtendButton_Click(object sender, EventArgs e)
{
DateTime datedue = Convert.ToDateTime(dataGridView1.CurrentRow.Cells[3].Value.ToString());
int TrID = Convert.ToInt32(dataGridView1.CurrentRow.Cells[0].Value.ToString());
int BID = Convert.ToInt32(dataGridView1.CurrentRow.Cells[1].Value.ToString());
context = new LibrarySevenAEntities();
var QBT = context.BookTransactions.Where(x => x.TransactionID == TrID);
BookTransaction bk = QBT.First();
if (bk.OriginalDateDue == datedue)
{
var QBTD = context.BookTransDetails.Where(x => x.TransactionID == TrID && x.BookID == BID);
BookTransDetail btd = QBTD.First();
btd.DateDue = datedue.AddDays(21);
context.SaveChanges();
//refresh
context = new LibrarySevenAEntities();
List <BookTransaction> lbt = new List <BookTransaction>();
lbt = context.BookTransactions.Where(x => x.MemberID == memberID).ToList();
if (lbt.Count > 0)
{
List <object> lbtd = new List <object>();
for (int i = 0; i < lbt.Count; i++)
{
int temp = Convert.ToInt32(lbt[i].TransactionID.ToString());
var q = from x in context.BookTransDetails
where x.TransactionID == temp && x.RentalStatus == false
select new { x.TransactionID, x.BookID, x.book.BookTitle, x.DateDue };
if (q.ToList().Count > 0)
{
object bktd = q.ToList().First();
lbtd.Add(bktd);
}
}
dataGridView1.DataSource = lbtd;
this.dataGridView1.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
}
}
else
{
MessageBox.Show("Unable to extend, this book has previously been extended");
}
}
private void EditDetailsForm_Load(object sender, EventArgs e)
{
this.WindowState = FormWindowState.Maximized;
context = new LibrarySevenAEntities();
m = context.Members.Where(x => x.MemberID == A.ID).ToList().First();
ID.Text = m.MemberID.ToString();
Name1.Text = m.MemberName;
Type.Text = m.MemberType;
Gender.Text = m.Gender;
Age.Text = m.Age.ToString();
Address.Text = m.Address;
Country.Text = m.Country;
Postalcode.Text = m.PostalCode;
ContactNum.Text = m.ContactNumber;
cBTitle.Text = m.ContactTitle;
EmaiAddress.Text = m.EmailAddress;
Remark.Text = m.Remarks;
}
private void Login_Click(object sender, EventArgs e)
{
LibrarySevenAEntities context = new LibrarySevenAEntities();
try
{
var s = Convert.ToInt16(MemberIDTextBox.Text);
if (context.Employees.Where(x => x.EmployeeID == s).ToList().Count > 0)
{
Employee m = context.Employees.Where(x => x.EmployeeID == s).ToList().First();
if (m.EmployeePassword == MemberPasswordTextBox.Text)
{
temp1.empid = s;
MainForm f = new MainForm();
f.Show();
MemberIDTextBox.Text = "";
MemberPasswordTextBox.Text = "";
this.Hide();
}
else
{
lblPasswordError.Text = "Incorrect Password/ User ID";
}
}
else
{
MessageBox.Show("User ID is incorrect!");
}
}
catch (OverflowException)
{
lblError.Text = "User ID is a 4 digit number";
}
catch (FormatException)
{
lblError.Text = "User ID is numerical";
}
}
private void Login_Click(object sender, EventArgs e)
{
LibrarySevenAEntities context = new LibrarySevenAEntities();
try
{
var s = Convert.ToInt16(MemberIDTextBox.Text);
if (context.Members.Where(x => x.MemberID == s).ToList().Count > 0)
{
Member m = context.Members.Where(x => x.MemberID == s).ToList().First();
if (m.Password == MemberPasswordTextBox.Text)
{
A.ID = s;
CustomerInterfaceForm CIF = new CustomerInterfaceForm();
CIF.Show();
MemberIDTextBox.Text = "";
MemberPasswordTextBox.Text = "";
}
else
{
lblPasswordError.Text = "Incorrect Password/ User ID";
}
}
else
{
MessageBox.Show("UserID is incorrect!");
}
}
catch (OverflowException)
{
lblError.Text = "User ID is a 4 digit number";
}catch (FormatException)
{
lblError.Text = "User ID is numerical";
}
}
private void SearchButton_Click(object sender, EventArgs e)
{
try
{
context = new LibrarySevenAEntities();
if (TransactionIDTextBox.Text != "")
{
int j = Convert.ToInt32(TransactionIDTextBox.Text);
var q = context.BookTransactions.Where(x => x.TransactionID == j);
dataGridView1.DataSource = q.ToList();
dataGridView1.Columns[4].Visible = false;
dataGridView1.Columns[5].Visible = false;
this.dataGridView1.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
}
else
{
if (BookIDTextBox.Text == "")
{
if (MemberIDTextBox.Text == "")
{
var q = context.BookTransactions;
dataGridView1.DataSource = q.ToList();
dataGridView1.Columns[4].Visible = false;
dataGridView1.Columns[5].Visible = false;
this.dataGridView1.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
}
else if (MemberIDTextBox.Text != "")
{
short j = Convert.ToInt16(MemberIDTextBox.Text);
var q = context.BookTransactions.Where(x => x.MemberID == j);
dataGridView1.DataSource = q.ToList();
dataGridView1.Columns[4].Visible = false;
dataGridView1.Columns[5].Visible = false;
this.dataGridView1.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
}
}
else
{
List <BookTransDetail> LBTD = new List <BookTransDetail>();
int w = Convert.ToInt32(BookIDTextBox.Text);
LBTD = context.BookTransDetails.Where(x => x.BookID == w).ToList();
if (LBTD.Count > 0)
{
List <BookTransaction> LBKT = new List <BookTransaction>();
if (MemberIDTextBox.Text == "")
{
for (int i = 0; i < LBTD.Count; i++)
{
int temp = Convert.ToInt32(LBTD[i].TransactionID.ToString());
var q = context.BookTransactions.Where(x => x.TransactionID == temp);
BookTransaction bkt = q.ToList().First();
LBKT.Add(bkt);
}
}
else
{
for (int i = 0; i < LBTD.Count; i++)
{
int temp = Convert.ToInt32(LBTD[i].TransactionID.ToString());
int j = Convert.ToInt16(MemberIDTextBox.Text);
var q = context.BookTransactions.Where(x => x.TransactionID == temp &&
x.MemberID == j);
if (q.ToList().Count > 0)
{
BookTransaction bkt = q.ToList().First();
LBKT.Add(bkt);
}
}
}
dataGridView1.DataSource = LBKT;
dataGridView1.Columns[4].Visible = false;
dataGridView1.Columns[5].Visible = false;
this.dataGridView1.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
}
}
}
}
catch (Exception ex)
{
if (ex is FormatException || ex is InvalidOperationException)
{
lblInputError.Text = "Incorrect Input, please check your search values";
return;
}
}
}
