private void btnNew_Click(object sender, EventArgs e)
        {
            fExpenditureAndIncome frm = new fExpenditureAndIncome();

            frm.ItemChanged = RefreshList;
            frm.ShowDlg(new Expenditure());
        }
        private void btnEdit_Click(object sender, EventArgs e)
        {
            try
            {
                int[]       selRows        = ((GridView)grdExpenditures.MainView).GetSelectedRows();
                DataRowView oExpenditureID = (DataRowView)(((GridView)grdExpenditures.MainView).GetRow(selRows[0]));
                DataRowView oExpenseDate   = (DataRowView)(((GridView)grdExpenditures.MainView).GetRow(selRows[0]));


                int      nExpenditureID = Convert.ToInt32(oExpenditureID["ID"]);
                DateTime ExpenseDate    = Convert.ToDateTime(oExpenseDate["ExpenseDate"]);

                Expenditure oExpenditure = db.Expenditures.FirstOrDefault(p => p.ExpenditureID == nExpenditureID);

                if (oExpenditure == null)
                {
                    MessageBox.Show("select an item to edit", "Item not yet selected", MessageBoxButtons.OK, MessageBoxIcon.Information);
                    return;
                }

                if (Global.CurrentUser.ISEditable == 1)
                {
                    if (ExpenseDate < DateTime.Today)
                    {
                        MessageBox.Show("This Item can't be editable, Please contact BD Team.", "Unauthorized Access", MessageBoxButtons.OK, MessageBoxIcon.Information);
                        return;
                    }
                }

                fExpenditureAndIncome frm = new fExpenditureAndIncome();
                frm.ItemChanged = RefreshList;
                frm.ShowDlg(oExpenditure);
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }