Javascript функция if, else условия

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I am new to programming, I have created following Javascript function from scratch. But, it not executing correctly.It has some errors,but,I can't clear the errors.please help me,

Что я уже пробовал:

< script type = "text/javascript">
функция GetSelectedRow(lnk) {
ВАР подряд = ЛНК.parentNode.parentNode;
if (row. cells[0]. innerHTML = = " checkbox")
{
var ItemCode = row. cells[1]. innerHTML;
var ItemName = row. cells[2]. innerHTML;
var Unit = row. cells[3]. innerHTML;
var Price = row. cells[4]. innerHTML;
var StockQty = row. cells[5]. innerHTML;
document. getElementById('<%=TxtICode.ClientID %>'). value = ItemCode;
document. getElementById('<%=TxtIName.ClientID %>'). value = ItemName;
документ.метода getElementById('&л;%=DropDownUnit.Идентификатора ClientID %&ГТ;').значение = подразделение;
document. getElementById('<%=TxtPrice.ClientID %>'). value = цена;
document. getElementById('<%=TxtStockQty.ClientID %>'). value = StockQty;
возвращать false;

}
else (row. cells[0]. innerHTML != checkbox)
{
var ItemCode = row. cells[0]. innerHTML;
var ItemName = row. cells[1]. innerHTML;
var Unit = row. cells[2]. innerHTML;
var Price = row. cells[3]. innerHTML;
var StockQty = row. cells[4]. innerHTML;
document. getElementById('<%=TxtICode.ClientID %>'). value = ItemCode;
document. getElementById('<%=TxtIName.ClientID %>'). value = ItemName;
документ.метода getElementById('&л;%=DropDownUnit.Идентификатора ClientID %&ГТ;').значение = подразделение;
document. getElementById('<%=TxtPrice.ClientID %>'). value = цена;
document. getElementById('<%=TxtStockQty.ClientID %>'). value = StockQty;
возвращать false;
}

}
< / script>

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