protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                txtprofit.Text       = "0";
                txtcostprice.Text    = "0";
                txtsellingprice.Text = "0";

                GridviewProducts.EnableSortingAndPagingCallbacks = false;

                Handler.Load("Select ProductName, Quantity, CostPrice, SellingPrice from tblProducts", GridviewProducts);

                //Handler.FillDropdowunList("Select ProductName from tblProducts", dropdowncategory, "ProductName");
                Handler.FillDropdowunList("Select CategoryName from tblCategory", dropdowncategory, "CategoryName");

                if (User.Identity.IsAuthenticated)
                {
                    LinkLogout.CausesValidation = false;
                    Lbluser.Text = User.Identity.Name;
                    // ...
                }
            }
        }
Exemple #2
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        protected void Page_Load(object sender, EventArgs e)
        {
            Handler.FillDropdowunList("Select * from tblCustomer", drpcustomer, "CustomerName");

            if (GridView1.Rows.Count > 0)
            {
                checkoutdiv.Visible = true;
            }
            else
            {
                checkoutdiv.Visible  = false;
                txtsubtotal.Text     = "#0";
                txtsubtotal1.Text    = txtsubtotal.Text.Replace("#", "");
                txtvat.Text          = "";
                txttotalpayment.Text = "";
            }

            if (!IsPostBack)
            {
                if (Session["datatable"] != null)
                {
                    DataTable dt = (DataTable)Session["datatable"];
                    GridView1.DataSource = dt;
                    GridView1.DataBind();
                }

                if (Session["subtotal"] != null)
                {
                    txtsubtotal.Text     = (string)Session["subtotal"];
                    txtsubtotal1.Text    = txtsubtotal.Text.Replace("#", "");
                    txtvat.Text          = "";
                    txttotalpayment.Text = "";
                }



                string         query      = "select * from tblProducts";
                string         valuefield = "ProductName";
                string         CS         = ConfigurationManager.ConnectionStrings["Connect"].ConnectionString;
                SqlDataAdapter da         = new SqlDataAdapter();
                using (SqlConnection con = new SqlConnection(CS))
                {
                    da = new SqlDataAdapter(query, con);
                    DataSet ds = new DataSet();
                    da.Fill(ds);
                    if (da != null)
                    {
                        dropdownproducts.DataSource     = ds;
                        dropdownproducts.DataValueField = valuefield;
                        dropdownproducts.DataBind();
                    }
                }
                dropdownproducts.Items.Insert(0, new ListItem("---Select an option---", ""));

                // Handler.FillDropdowunList(query, dropdownproducts, valuefield);
                if (User.Identity.IsAuthenticated)
                {
                    LinkLogout.CausesValidation = false;
                    Lbluser.Text = User.Identity.Name;
                    // ...
                }
            }
            if (GridView1.Rows.Count > 0)
            {
                checkoutdiv.Visible = true;
            }
            else
            {
                checkoutdiv.Visible  = false;
                txtsubtotal.Text     = "#0";
                txtsubtotal1.Text    = txtsubtotal.Text.Replace("#", "");
                txtvat.Text          = "";
                txttotalpayment.Text = "";
            }
        }