private void BtnEdit_Click(object sender, EventArgs e)
{
if (dgvBookList.Rows.Count > 0)
{
if (dgvBookList.SelectedRows.Count == 1)
{
int selectIndex = dgvBookList.CurrentRow.Index;
var bookID = dgvBookList.Rows[selectIndex].Cells[0].Value;
var book = BooksHelper.GetBookByID(Convert.ToInt32(bookID));
cmbDepartment.SelectedItem = DepartmentsHelper.GetByNameFromID(book.DepartmentID);
cmbCategory.SelectedItem = BookCategoriesHelper.GetByNameFromID(book.BookCategoryID);
txtBookName.Text = book.BookName;
txtTitle.Text = book.Title;
txtAuthor.Text = book.Author;
txtEdition.Text = book.Edition;
txtEdition.Text = string.Empty;
dtpRegDate.Value = book.DateOfRegister;
txtPrice.Text = book.Price.ToString();
DisableComponent();
}
}
}
private void btnUpdate_Click(object sender, EventArgs e)
{
int selectIndex = dgvBookList.CurrentRow.Index;
var bookID = dgvBookList.Rows[selectIndex].Cells[0].Value;
var b = BooksHelper.GetBookByID(Convert.ToInt32(bookID));
b.NoOfCopies += Convert.ToInt32(txtNoOfCopies.Text);
BooksHelper.Update(b);
MessageBox.Show("Kitap Güncelleme Başarılı", "Library Management System", MessageBoxButtons.OK, MessageBoxIcon.Information);
EnabledComponent();
ClearForm();
FillGrid();
}
private void btnReturnBook_Click(object sender, EventArgs e)
{
int selectIndex = dgvIssueBookList.CurrentRow.Index;
var issueBookID = dgvIssueBookList.Rows[selectIndex].Cells[0].Value;
var ib = IssueBooksHelper.GetIssueBookByID(Convert.ToInt32(issueBookID));
ib.Status = 0;
IssueBooksHelper.Update(ib);
if (DateTime.Now > ib.DateOfReturn)
{
gbFine.Enabled = true;
Fines f = new Fines();
f.StudentID = ib.StudentID;
f.BookID = ib.BookID;
f.StaffID = _staffID;
f.Date = DateTime.Now;
f.FineAmount = Convert.ToInt32(txtTotalAmount.Text);
f.RecivedAmount = 0;
f.Status = 1;
FinesHelper.Add(f);
}
ReturnBooks rb = new ReturnBooks();
rb.BookID = ib.BookID;
rb.StudentID = ib.StudentID;
rb.StaffID = _staffID;
rb.IssueDate = ib.DateOfIssue;
rb.ReturnDate = ib.DateOfReturn;
rb.Date = DateTime.Now;
ReturnBooksHelper.Add(rb);
Books b = BooksHelper.GetBookByID(ib.BookID);
b.NoOfCopies += 1;
BooksHelper.Update(b);
MessageBox.Show("Kitap iade başarılı!", "Library Management System", MessageBoxButtons.OK, MessageBoxIcon.Information);
DisableComponent();
}
private void btnAddDgv_Click(object sender, EventArgs e)
{
if (btnSearchStudent.Enabled == false && btnSearchBook.Enabled == false)
{
if (FinesHelper.GetFineCount(Convert.ToInt32(txtStudentID.Text)) < 1)
{
if (!IssueBooksHelper.GetHaveBooks(Convert.ToInt32(txtStudentID.Text), Convert.ToInt32(txtBookID.Text)))
{
IssueBooks ib = new IssueBooks();
ib.StudentID = Convert.ToInt32(txtStudentID.Text);
ib.BookID = Convert.ToInt32(txtBookID.Text);
ib.StaffID = _staffID;
ib.NoOfCopies = 1;
ib.DateOfIssue = dtpIssueDate.Value;
ib.DateOfReturn = dtpReturnDate.Value;
ib.Status = 1;
IssueBooksHelper.Add(ib);
var b = BooksHelper.GetBookByID(Convert.ToInt32(txtBookID.Text));
b.NoOfCopies -= 1;
BooksHelper.Update(b);
MessageBox.Show("Kitap kiralama başarılı!", "Library Management System", MessageBoxButtons.OK, MessageBoxIcon.Information);
EnableComponent();
}
else
{
MessageBox.Show("Bir Öğrencinin Aynı Kitabı Birden Fazla Alma İhtimali Yoktur.", "Library Management System", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show("Öğrencinin Birden Fazla Ödenmemiş Borcu Olduğundan Kitap Kiralama Olanağı Yoktur.", "Library Management System", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show("Lütfen öğrenci ve kitap seçimini yapınız!", "Library Management System", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void BtnSearchBook_Click(object sender, EventArgs e)
{
ep.Clear();
if (txtBookID.Text.Trim().Length == 0)
{
ep.SetError(txtBookID, "Book ID giriniz!");
txtBookID.Focus();
return;
}
try
{
var b = BooksHelper.GetBookByID(Convert.ToInt32(txtBookID.Text));
if (b.NoOfCopies > 0)
{
FillGridBook(b);
btnSearchBook.Enabled = false;
txtBookID.Enabled = false;
}
else
{
MessageBox.Show("Bu ID'ye ait kitap stokta kalmadı.", "Library Management System", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
catch (Exception ex)
{
MessageBox.Show("Bu ID'ye ait kitap bulunamadı", "Library Management System", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
if (btnSearchBook.Enabled == false || btnSearchStudent.Enabled == false)
{
btnCancel.Enabled = true;
}
if (btnSearchBook.Enabled == false && btnSearchStudent.Enabled == false)
{
btnAdd.Enabled = true;
}
}