protected void Button1_Click(object sender, EventArgs e)
        {
            Proig_Xrisis.DataBind();
            Calc_Sum_Poig_Metaf.DataBind();

            TextBox2.Text = GridView2.Rows[0].Cells[0].Text;
            TextBox5.Text = GridView2.Rows[0].Cells[1].Text;
            Session["Calc_SUM_GR_Etos"] = TextBox2.Text;
        }
        protected void Page_Load(object sender, EventArgs e)
        {
            // if (!string.IsNullOrEmpty((string)Session["Del_GR_Etos"]))
            //   {
            //   TextBox1.Text = (string)Session["Del_GR_Etos"];
            //    }
            TextBox4.Text = FINANCIAL_MANAGEMENT.App_Code.xrisi.Fetch_Isotimia().ToString();
            if (FINANCIAL_MANAGEMENT.App_Code.xrisi.Fetch_Isotimia() == 1)
            {
                TextBox5.Visible = true;
            }
            else
            {
                TextBox5.Visible = false;
            }
            if (!string.IsNullOrEmpty((string)Session["Last_GR_Etos"]))
            {
                Int32 ConLast;

                ConLast       = Convert.ToInt32((string)Session["Last_GR_Etos"]);
                TextBox1.Text = Convert.ToString(ConLast - 1);

                string Xrisi = TextBox1.Text;
                string strConn1;

                strConn1 = WebConfigurationManager.ConnectionStrings["DefaultConnection"].ConnectionString;
                SqlConnection Conn = new SqlConnection(strConn1);
                Conn.Open();

                string sqltitle1;
                sqltitle1  = "SELECT ISNULL(MAX(Int1),1) FROM Xrisi";
                sqltitle1 += " WHERE (Etos ='" + Xrisi + "')";


                SqlCommand com = new SqlCommand(sqltitle1, Conn);

                Int32 CurrentQty2;
                CurrentQty2 = Convert.ToInt32(com.ExecuteScalar());

                TextBox3.Text = Convert.ToString(CurrentQty2);

                Proig_Xrisis.DataBind();
                Calc_Sum_Poig_Metaf.DataBind();
            }
        }