//Return Button
private void btnReturn_Click(object sender, EventArgs e)
{
//Assign Return Date and Update Return Date of the selected Items in BookRentalItems File
String strCurrentDate = Convert.ToString(DateTime.Today.ToString("dd-MMM-yy"));
LoanItems.updLoanItems(intLoanID, intBookID, strCurrentDate);
//Instantiate DateTime object and Calculate Number of Days
DateTime dtToday = DateTime.Today.Date;
DateTime dtDue = dtpDueDate.Value.Date;
double dblTotalDays = numberOfDays(dtToday, dtDue);
//Check if book is overdue
//If book is not overdue (Total Days <= 0)
if (dblTotalDays <= 0)
{
//Method to do Updates
updDetails();
}
else //Fine Detected
{
//Display Error Message
MessageBox.Show("Book '" + txtBookTitle.Text + "' Overdue", "Overdue", MessageBoxButtons.OK, MessageBoxIcon.Information);
//Calculates Fine
double dblFine = dblTotalDays * Loans.PENALTY;
//Update Fine Amount of LoanItem
LoanItems.updLoanItemFine(intLoanID, intBookID, dblFine);
//Display Fine Details on UI
dtpFDueDate.Value = Convert.ToDateTime(strReturnDate);
dtpReturnDate.Value = DateTime.Today;
txtFine.Text = dblFine.ToString("0.00");
grpFineDetails.Visible = true;
//Hide Loan Details Return Button
//Hide Clear Button to prevent User from exiting current steps
btnClear.Visible = false;
btnSMem.SetBounds(253, 16, 83, 23);
btnReturn.Visible = false;
}
}
} //End click event
//Private Method to Save Rental Items
private void saveRentalItems()
{
//For item in lstCart from 0 to lstCart total items - 1
for (int i = 0; i < lstCart.Items.Count; i++)
{
//Instantiate LoanItems Object
LoanItems aLoanItem = new LoanItems();
aLoanItem.setLoanID(Convert.ToInt32(txtLoanID.Text));
aLoanItem.setBookID(Convert.ToInt32(lstCart.Items[i].ToString().Substring(0, 4)));
//Save Rental Item Detials
aLoanItem.regLoanItems();
//Update book status in Book File
Loans.updBookStatus(Convert.ToInt32(lstCart.Items[i].ToString().Substring(0, 4)), 'U');
//Update No. Books Borrow of the member in Member File
Loans.updBooksBorrowIncrement(aMember.getMemID());
} //End For
} //End saveRentalItems();
} //End Update
//Method to prompt user more books to be returned for same Member?
public void returnMoreBooks()
{
//Check if RowCount is not equal to 1.
//1 indicate that there is only one book left on grdLoanItemList
if (grdLoanItemList.RowCount != 1)
{
DialogResult result = MessageBox.Show("More books to be return for Member '" + txtMemName.Text + "'?", "Message", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (result == DialogResult.Yes)
{
//Display Loan Items on DataGridView for the selected Member
//Initiate DataSet Object
DataSet ds = new DataSet();
//Reload data onto DataGridView
//LoanItemList
grdLoanItemList.DataSource = LoanItems.getLoanItems(ds, intMemID).Tables["loan"];
//Display UI
grpLoanItemList.Visible = true;
//Hide grpLoanDetails and grpFineDetails
grpLoanDetails.Visible = false;
btnReturn.Visible = true;
grpFineDetails.Visible = false;
}
else
{
//Reset UI because Member may return only one book
clearUI();
}
}
else
{
//Display Information Message
MessageBox.Show("All books has been returned", "Message", MessageBoxButtons.OK, MessageBoxIcon.Information);
//Reset UI
clearUI();
}
} //End Method
} //End Search Member Button Event
//MemList cell click event
private void grdMemList_CellClick(object sender, DataGridViewCellEventArgs e)
{
//Extract MemID from column 0 of selected row
intMemID = Convert.ToInt32(grdMemList.Rows[grdMemList.CurrentCell.RowIndex].Cells[0].Value);
//Instantiate Members object
Members aMember = new Members();
aMember.getMember(intMemID);
String strName = aMember.getForename() + " " + aMember.getSurname();
//Display Loan Items on DataGridView for the selected Member
//Initiate DataSet Object
DataSet ds = new DataSet();
//Load data onto DataGridView
//LoanItemList
grdLoanItemList.DataSource = LoanItems.getLoanItems(ds, intMemID).Tables["loan"];
if (grdLoanItemList.DataSource == null || grdLoanItemList.RowCount == 0)
{
//Display error message if no data returned
MessageBox.Show("No Rental Items found for Member '" + strName + "'", "Message", MessageBoxButtons.OK, MessageBoxIcon.Error);
grpLoanItemList.Visible = false;
grpLoanDetails.Visible = false;
txtSurname.Focus();
}
else
{
//Display UI
grpLoanItemList.Visible = true;
//Disable Sorting when clicking Column Header
foreach (DataGridViewColumn column in grdLoanItemList.Columns)
{
column.SortMode = DataGridViewColumnSortMode.NotSortable;
}
}
} //End Cell Click Event
} //End Search Button Event
//Cell Click Event
private void grdMemberList_CellClick(object sender, DataGridViewCellEventArgs e)
{
//Variable to store Member ID
int intMemID = Convert.ToInt32(grdMemberList.Rows[grdMemberList.CurrentCell.RowIndex].Cells[0].Value);
//List Loan Item Details of the Member
//Instantiate DataSet object
DataSet ds = new DataSet();
//Load Data onto data grid
grdLoanList.DataSource = LoanItems.getLoanItemsHistory(ds, intMemID).Tables["loan"];
//Check if any data source return, if no data return display message
if (grdLoanList.DataSource == null || grdLoanList.RowCount == 0)
{
//Reset UI
MessageBox.Show("No details found", "Message", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtSurname.Text = "";
txtForename.Text = "";
txtSurname.Focus();
grpLoanItems.Visible = false;
grdMemberList.Visible = false;
}
else
{
//Set Visibility
grpLoanItems.Visible = true;
//Disable Sorting when clicking Column Header
foreach (DataGridViewColumn column in grdLoanList.Columns)
{
column.SortMode = DataGridViewColumnSortMode.NotSortable;
}
//Set lblMemName Text
lblMemName.Text = txtForename.Text.ToUpperInvariant() + " " + txtSurname.Text.ToUpperInvariant();
}
} //End Cell Click Event
