private void btnFillter_Click(object sender, EventArgs e)
        {
            DateTime DateStart  = Convert.ToDateTime(string.Format("{0: dd/MM/yyyy 00:00:00}", dtpDateStart.Value));
            DateTime DateFinish = Convert.ToDateTime(string.Format("{0: dd/MM/yyyy 00:00:00}", dtpDateFinish.Value));

            UnitofWork unitofWork = new UnitofWork(ctx);
            Expense_Invoice_Service expense_Invoice_Service = new Expense_Invoice_Service(unitofWork);
            List <Expense_Invoice>  expense_Invoices        = expense_Invoice_Service.GetAllExpense_Invoice().Where(x => x.ExpenseDate >= DateStart && x.ExpenseDate <= DateFinish).ToList();

            dataGridView1.DataSource = expense_Invoices;

            dataGridView1.Columns[0].HeaderText = "Tarih";
            dataGridView1.Columns[1].HeaderText = "Fatura Tipi";
            dataGridView1.Columns[2].HeaderText = "Açıklama";
            dataGridView1.Columns[3].HeaderText = "Tutar";

            dataGridView1.Columns[4].Visible = false;
            dataGridView1.Columns[5].Visible = false;
            dataGridView1.Columns[6].Visible = false;
            dataGridView1.Columns[7].Visible = false;

            Tools tools = new Tools();

            tools.DataGridViewResize(dataGridView1, 4);

            txtTotalRevenues.Text = expense_Invoices.Sum(x => x.Price).ToString();
        }
        private void btnClear_Click(object sender, EventArgs e)
        {
            UnitofWork unitofWork = new UnitofWork(ctx);
            Expense_Invoice_Service expense_Invoice_Service = new Expense_Invoice_Service(unitofWork);
            List <Expense_Invoice>  expense_Invoices        = expense_Invoice_Service.GetAllExpense_Invoice();

            dataGridView1.DataSource = expense_Invoices;

            dataGridView1.Columns[0].HeaderText = "Tarih";
            dataGridView1.Columns[1].HeaderText = "Fatura Tipi";
            dataGridView1.Columns[2].HeaderText = "Açıklama";
            dataGridView1.Columns[3].HeaderText = "Tutar";

            dataGridView1.Columns[4].Visible = false;
            dataGridView1.Columns[5].Visible = false;
            dataGridView1.Columns[6].Visible = false;
            dataGridView1.Columns[7].Visible = false;

            Tools tools = new Tools();

            tools.DataGridViewResize(dataGridView1, 4);

            txtTotalRevenues.Text = expense_Invoices.Sum(x => x.Price).ToString();
        }