private void Btn_Add_Item_Click(object sender, EventArgs e)
        {
            dt.Clear();
            Tbl_Daily_operation Daily_op = new Tbl_Daily_operation();

            if (txt_Import_date.Text == "" || txt_receipt_num.Text == "")
            {
                txt_Import_date.Text = Convert.ToString(DateTime.Now);

                var maxid = brada.Tbl_Daily_operations.Max(s => s.receipt_Code);
                txt_receipt_num.Text = (maxid + 1).ToString();
            }
            groupBox4.Visible = false;
            groupBox3.Visible = false;
            txt_Packu_Cost.Clear();
            txt_Item_Name.Clear();
            txt_Quantity_Number.Clear();
            Lbl_TotalCost.Text           = "";
            Btn_Impleme_Update.Visible   = false;
            Btn_Delete_Confirm.Visible   = false;
            Btn_Add_Item_Confirm.Visible = true;
            Btn_Add_Item_Confirm.Text    = "تأكيد الإضافة";
            groupBox6.Visible            = true;
            label13.Text = "";
        }
        private void Btn_Add_Item_Confirm_Click(object sender, EventArgs e)
        {
            Tbl_Item            Item        = new Tbl_Item();
            Tbl_Daily_operation DailyOperat = new Tbl_Daily_operation();
            Tbl_Import          Import      = new Tbl_Import();

            if (txt_Import_date.Text != "" && txt_receipt_num.Text != "")
            {
                if (search_ITems(txt_Item_Name.Text))
                {
                    if (search_daily(txt_Item_Name.Text))//Update
                    {
                        MessageBox.Show("Refused");
                        txt_Item_Name.Text = txt_Quantity_Number.Text = Lbl_TotalCost.Text = txt_Packu_Cost.Text = "";
                    }
                    else//Insert
                    {
                        if (txt_Item_Name.Text != "" && txt_Quantity_Number.Text != "" && txt_Packu_Cost.Text != "" && Lbl_TotalCost.Text != "")
                        {
                            var date        = Convert.ToDateTime(txt_Import_date.Text);
                            var receipt_num = Convert.ToInt32(txt_receipt_num.Text);
                            //--------------- Replace Subtracted values from Tbl_ITem Table---
                            var details               = brada.Tbl_Items.Where(s => s.Item_Name == txt_Item_Name.Text).Select(s => new { ID = s.ID, Quantity__Item_Num = s.Quantity_Num }).SingleOrDefault();
                            int item_Code             = details.ID;
                            int Quantity_tbl_Item_Num = details.Quantity__Item_Num;
                            int Quantity_Subtracted_DailyOPeration = Convert.ToInt32(txt_Quantity_Number.Text);
                            int Tbl_Item_Result_after_Subtract     = Quantity_tbl_Item_Num - Quantity_Subtracted_DailyOPeration;
                            var ID = details.ID;
                            brada.Subtract_Update_Tbl_Item_Daily(ID, Tbl_Item_Result_after_Subtract);

                            for (int i = 0; i < dataGridView1.RowCount - 1; i++)
                            {
                                DataGridViewRow row  = dataGridView1.Rows[i];
                                var             cel0 = row.Cells[0].Value.ToString();
                                var             cel1 = row.Cells[1].Value.ToString();
                                var             cel2 = row.Cells[2].Value.ToString();
                                var             cel3 = row.Cells[3].Value.ToString();
                                //Insert values Directly from Gridview
                                //i=====>max+1 hالمفروض
                                brada.insert_Daily_Operation(i, item_Code, cel0, int.Parse(cel1), float.Parse(cel2), float.Parse(cel3), date, receipt_num);
                                brada.SubmitChanges();
                            }
                            label13.Text = "";
                            Btn_Add_Item_Confirm.Text = "تم الإضافة";
                            txt_receipt_num.Clear();
                        }
                        else
                        {
                            MessageBox.Show("برجاء املأ الخانات");
                        }
                        brada.SubmitChanges();
                        txt_Item_Name.Text = txt_Quantity_Number.Text = Lbl_TotalCost.Text = txt_Packu_Cost.Text = "";
                    }
                }
                else
                {
                    MessageBox.Show(" إلغى هذا ! سيؤدى ذلك لخراب السيستم على إيدك يا مفترى ");
                }
            }
            else
            {
                MessageBox.Show("Press Add Item,إضغط إضافة صنف");
            }
        }