src/Grid.php
public function getColumnAsString($index)
    {
        if (isset($this->columns[$index])) {
            return implode(' ', $this->columns[$index]);
        }

        return '';
    }
public function getColumnAsString($index)
    {
        if (isset($this->columns[$index])) {
            return implode(' ', $this->columns[$index]);
        }

        return '';
    }
Get column as class string.

@param int $index Column index.

@return string