private void DeleteOrderItem()
{
int controlCount;
int currentControlIndex;
int count;
OrderItemControl tempProductOrder;
//when deleting OrderItemControls you must reorder and redraw the existing ones
controlCount = ProductOrderPanel.Controls.Count;
currentControlIndex = ProductOrderPanel.Controls.IndexOf(ProductContextMenu.SourceControl);
//if the control is not the last one and you need to reorder and redraw the existing ones
//that are below it
if (currentControlIndex + 1 < controlCount)
{
for(count = (currentControlIndex + 1);count < controlCount;count++)
{
tempProductOrder = ProductOrderPanel.Controls[count] as OrderItemControl;
tempProductOrder.Location = new System.Drawing.Point(0, tempProductOrder.Location.Y - 24);
}
ProductOrderPanel.Controls.Remove(ProductContextMenu.SourceControl);
//if it is the last control you can just delete it without any reordering logic
}
else
{
ProductOrderPanel.Controls.Remove(ProductContextMenu.SourceControl);
}
//decrement yPositionOrderItemControl so the next control drawn is placed in the correct
//location
yPositionOrderItemControl = yPositionOrderItemControl - 24;
}
private void CreateNewRow(object sender, System.EventArgs e)
{
//Handles NewOrderItemButton.Click
if(!SaveOrderButton.Enabled)
SaveOrderButton.Enabled = true;
tempProductOrder = new PurchaseOrder.OrderItemControl();
tempProductOrder.Location = new System.Drawing.Point(0, yPositionOrderItemControl);
tempProductOrder.Size = new System.Drawing.Size(608, 24);
//set the ContextMenu of the OrderItem control to productContextMenu
tempProductOrder.ContextMenu = this.ProductContextMenu;
//by default, the TexBox control uses a default ContextMenu that
//provides Undo, Cut, Copy, Paste, and Select All operations. The
//ProductOrder control exposes the ContextMenu property of the
//DiscountTextBox and QuantityTextBox with the QuantityTextBox_ContextMenu
//and the DiscountTextBoxC_ontextMenu properties
tempProductOrder.DiscountTextBox_ContextMenu = this.ProductContextMenu;
tempProductOrder.QuantityTextBox_ContextMenu = this.ProductContextMenu;
//set the default values of the order
tempProductOrder.OrderQuantity = 1;
tempProductOrder.OrderDiscount = "0.00%";
//call the GetProductData method to populate the OrderItemControl
tempProductOrder.GetProductData(MainModule.northwindData.Tables["Products"]);
ProductOrderPanel.Controls.Add(tempProductOrder);
//increment yPosOrderItemControl so the next control drawn appears below the current one
yPositionOrderItemControl = yPositionOrderItemControl + 24;
}