// updates table
private void RefreshCartTable()
{
// get cart
ShoppingCart_S1 _cart = (ShoppingCart_S1)((ShopMaster)Master).GetCart();
// cycle through each row, except the first one
// find items w/ quantity of zero, remove row
TableRowCollection _rows = tableCart.Rows;
int i = 1;
while (i < _rows.Count)
{
TableRow _row = _rows[i];
// get ID for row
HyperLink _link = (HyperLink)_row.Cells[0].Controls[0];
int _id = Int32.Parse(_link.Text);
int _actualQuantity = _cart.Quantity(_id);
// check quantity
if (_actualQuantity <= 0)
{
_row.Cells.Clear();
_rows.Remove(_row);
Trace.Warn("cart", string.Format("removed row id: {0}", _id));
}
else
{
// check if quantity changed
int _quantity = Int32.Parse((_row.Cells[3].Text));
if (_actualQuantity != _quantity)
{
_row.Cells[3].Text = _actualQuantity.ToString();
}
++i;
}
}
// check row count
if (tableCart.Rows.Count <= 1)
{
// empty table
tableCart.Rows.Clear();
labelCart.Text = "Cart is empty";
labelCart.ForeColor = System.Drawing.Color.OrangeRed;
tableCartContainer.Visible = false;
}
}
protected override int CreateChildControls(IEnumerable dataSource, bool dataBinding)
{
int rows = base.CreateChildControls(dataSource, dataBinding);
// no data rows created, create empty table if enabled
if (rows == 0 && (ShowFooterWhenEmpty || ShowHeaderWhenEmpty))
{
// create the table
Table table = CreateChildTable();
Controls.Clear();
Controls.Add(table);
DataControlField[] fields;
if (AutoGenerateColumns)
{
var source = new PagedDataSource {
DataSource = dataSource
};
ICollection autoGeneratedColumns = CreateColumns(source, true);
fields = new DataControlField[autoGeneratedColumns.Count];
autoGeneratedColumns.CopyTo(fields, 0);
}
else
{
fields = new DataControlField[Columns.Count];
Columns.CopyTo(fields, 0);
}
TableRowCollection newRows = table.Rows;
if (ShowHeaderWhenEmpty)
{
// create a new header row
_headerRow = CreateRow(-1, -1, DataControlRowType.Header, DataControlRowState.Normal);
InitializeRow(_headerRow, fields, newRows);
}
// create the empty row
GridViewRow emptyRow = new GridViewRow(-1, -1, DataControlRowType.EmptyDataRow, DataControlRowState.Normal);
TableCell cell = new TableCell();
List <DataControlField> f = fields.Where(dataControlField => dataControlField.Visible).ToList();
cell.ColumnSpan = f.Count;
//cell.Width = Unit.Percentage(100);
// respect the precedence order if both EmptyDataTemplate
// and EmptyDataText are both supplied ...
if (EmptyDataTemplate != null)
{
EmptyDataTemplate.InstantiateIn(cell);
}
else if (!string.IsNullOrEmpty(EmptyDataText))
{
cell.Controls.Add(new LiteralControl(EmptyDataText));
}
emptyRow.Cells.Add(cell);
GridViewRowEventArgs e = new GridViewRowEventArgs(emptyRow);
OnRowCreated(e);
newRows.Add(emptyRow);
emptyRow.DataBind();
OnRowDataBound(e);
emptyRow.DataItem = null;
if (ShowFooterWhenEmpty && ShowFooter)
{
// create footer row
_footerRow = CreateRow(-1, -1, DataControlRowType.Footer, DataControlRowState.Normal);
InitializeRow(_footerRow, fields, newRows);
newRows.Remove(emptyRow);
}
}
return(rows);
}
// updates table
private void RefreshCartTable()
{
// get cart
ShoppingCart_S2 _cart = (ShoppingCart_S2)((ShopMaster)Master).GetCart();
// cycle through each row, except the first one
// find items w/ quantity of zero, remove row
TableRowCollection _rows = tableCart.Rows;
TableRow _row = null;
int i = 1;
while (i < _rows.Count)
{
_row = _rows[i];
// get ID for row
HyperLink _link = (HyperLink)_row.Cells[0].Controls[0];
int _id = Int32.Parse(_link.Text);
Trace.Write("Cart", string.Format("Refreshing row id: {0}", _id));
int _actualQuantity = _cart.Quantity(_id);
// check quantity
if (_actualQuantity <= 0)
{
_row.Cells.Clear();
_rows.Remove(_row);
Trace.Warn("cart", string.Format("removed row id: {0}", _id));
}
else
{
// always refresh
int _quantity = Int32.Parse((((TextBox)(_row.Cells[4].Controls[0])).Text));
Trace.Write("Cart", string.Format("Quantity read: {0}", _quantity));
// get item info
Item_S2 _item = (Item_S2)((ShopMaster)Master).GetItem(_id);
// update quantity and ext price/weight
//_row.Cells[4].Text = _actualQuantity.ToString();
_row.Cells[5].Text = (_item.Price * _actualQuantity).ToString("C2");
_row.Cells[6].Text = (_item.Weight * _actualQuantity).ToString("f2");
++i;
}
}
// check row count
if (tableCart.Rows.Count <= 1)
{
DisplayEmptyCart();
return;
}
// calculate totals
double _totalPrice = 0, _totalWeight = 0;
foreach (ShoppingCart_S2.ShoppingCartItem_S2 _cartItem in _cart.Items)
{
// get item
Item_S2 _item = (Item_S2)((ShopMaster)Master).GetItem(_cartItem.ItemID);
_totalPrice += _item.Price * _cartItem.Quantity;
_totalWeight += _item.Weight * _cartItem.Quantity;
}
// add totals row
_row = new TableRow();
_row.CssClass = "TotalRow";
// populate empty cells
TableCell _cell = null;
for (i = 0; i < 5; ++i)
{
_cell = new TableCell();
_cell.CssClass = "EmptyCell";
_cell.Text = " ";
_row.Cells.Add(_cell);
}
// total ext price
_cell = new TableCell();
_cell.CssClass = "EmptyCell";
_cell.Text = _totalPrice.ToString("C2");
_row.Cells.Add(_cell);
// total ext weight
_cell = new TableCell();
_cell.CssClass = "EmptyCell";
_cell.Text = _totalWeight.ToString("f2");
_row.Cells.Add(_cell);
tableCart.Rows.Add(_row);
}
