Prado\Web\UI\WebControls\TTemplateColumn::setEditItemTemplate PHP Method

    public function setEditItemTemplate($value)
    {
        if ($value instanceof ITemplate || $value === null) {
            $this->_editItemTemplate = $value;
        } else {
            throw new TInvalidDataTypeException('templatecolumn_template_required', 'EditItemTemplate');
        }
    }