private void gv_Books_CellContentClick(object sender, DataGridViewCellEventArgs e)
{
if (e.ColumnIndex > -1 && e.RowIndex > -1 && gv_Books.Rows[e.RowIndex].Cells[this.gv_Books_clm_CartQuantity.Name].Value != null)
{
var curBookRow = gv_Books.Rows[e.RowIndex];
var updated = false;
foreach (DataGridViewRow cartRow in this.gv_Cart.Rows)
{
if (cartRow.Cells[gv_Cart_clm_Name.Name].Value.ToString() == curBookRow.Cells[gv_Books_clm_Name.Name].Value.ToString())
{
var quantity = Convert.ToInt64(curBookRow.Cells[gv_Books_clm_Quantity.Name].Value.ToString());
var cartCurQuantity = curBookRow.Cells[gv_Books_clm_CartQuantity.Name].Value.ToString();
var cartQuantity = cartRow.Cells[gv_Cart_clm_Quantity.Name].Value.ToString();
var validateResult = _bookValidator.ValidateAddingCartQuantity(quantity, cartQuantity, cartCurQuantity);
if (validateResult.State)
{
cartRow.Cells[this.gv_Cart_clm_Quantity.Name].Value =
Convert.ToInt64(cartRow.Cells[this.gv_Cart_clm_Quantity.Name].Value) + Convert.ToInt64(curBookRow.Cells[this.gv_Books_clm_CartQuantity.Name].Value);
cartRow.Cells[this.gv_Cart_clm_Cost.Name].Value
= Convert.ToDecimal(curBookRow.Cells[this.gv_Books_clm_Cost.Name].Value) * (Convert.ToInt64(cartRow.Cells[this.gv_Cart_clm_Quantity.Name].Value) + Convert.ToInt64(curBookRow.Cells[this.gv_Books_clm_CartQuantity.Name].Value));
}
else
{
curBookRow.Cells[gv_Books_clm_CartQuantity.Name].Value = "0";
curBookRow.Cells[gv_Books_clm_CartQuantity.Name].ErrorText = validateResult.Result;
}
updated = true;
break;
}
}
if (!updated)
{
var newRowIndex = gv_Cart.Rows.Add();
var newRow = gv_Cart.Rows[newRowIndex];
newRow.Cells[this.gv_Cart_clm_BookCost.Name].Value = curBookRow.Cells[this.gv_Books_clm_Cost.Name].Value;
newRow.Cells[this.gv_Cart_clm_BookQuantity.Name].Value = curBookRow.Cells[this.gv_Books_clm_Quantity.Name].Value;
newRow.Cells[this.gv_Cart_clm_Name.Name].Value = curBookRow.Cells[this.gv_Books_clm_Name.Name].Value;
newRow.Cells[this.gv_Cart_clm_ID.Name].Value = curBookRow.Cells[this.gv_Books_clm_ID.Name].Value;
newRow.Cells[this.gv_Cart_clm_Quantity.Name].Value = curBookRow.Cells[this.gv_Books_clm_CartQuantity.Name].Value;
newRow.Cells[this.gv_Cart_clm_Cost.Name].Value = Convert.ToDecimal(curBookRow.Cells[this.gv_Books_clm_Cost.Name].Value) * Convert.ToInt64(curBookRow.Cells[this.gv_Books_clm_CartQuantity.Name].Value);
}
UpdateCartInfo();
}
}