private void btnReturn_Click(object sender, EventArgs e)
{
Int32 selectedRowCount = dataGridView1.Rows.GetRowCount(DataGridViewElementStates.Selected);
if (selectedRowCount > 0)
{
foreach (DataGridViewRow row in dataGridView1.SelectedRows)
{
int bookID = Convert.ToInt32(row.Cells[1].Value);
BooksDetail bd = ctx.BooksDetails.Where(x => x.BookID == bookID).First();
bd.NumberLoaned = Convert.ToInt16(bd.NumberLoaned - 1);
int transactionID = Convert.ToInt32(row.Cells[0].Value);
LoanTransDetail loanTran = ctx.LoanTransDetails.Where(x => x.BookID == bookID && x.TransactionID == transactionID).First();
loanTran.LoanStatus = "In";
loanTran.DateActualReturn = DateTime.Now;
ctx.SaveChanges();
dataGridView1.Rows.RemoveAt(row.Index);
}
}
toolStripStatusLabel1.Text = "Successfully Updated.";
}
private void btnUpdate_Click(object sender, EventArgs e)
{
using (TransactionScope ts = new TransactionScope())
{
LoanRecord rec = new LoanRecord();
rec.MemberID = Convert.ToInt32(txtMemberID.Text);
this.memberID = rec.MemberID;
rec.DateIssue = dtpDateIssue.Value;
this.dateIssue = dtpDateIssue.Value;
rec.DateDue = dtpDueDate.Value;
this.dateDue = dtpDueDate.Value;
rec.Remarks = txtRemarks.Text;
ctx.LoanRecords.Add(rec);
int transactionID = ctx.SaveChanges();
for (int i = 0; i < dgvBorrowInfo.Rows.Count; i++)
{
LoanTransDetail detail = new LoanTransDetail();
detail.TransactionID = rec.TransactionID;
this.transactionID = detail.TransactionID;
int bookID = Convert.ToInt32(dgvBorrowInfo.Rows[i].Cells[1].Value);
bookList.Add(bookID);
detail.BookID = bookID;
detail.LoanStatus = "Out";
ctx.LoanTransDetails.Add(detail);
ctx.BooksDetails.Where(b => b.BookID == bookID).First().NumberLoaned++;
}
ctx.SaveChanges();
ts.Complete();
}
txtMemberID.Text = "";
txtMemberName.Text = "";
txtBookID.Text = "";
txtRemarks.Text = "";
dt.Rows.Clear();
}
