Color the rows in QTableView

[spirit]

if you use some of QSql*Model then you should approach which estanisgeyer suggested of write your own delegate.
an exmaple

class ColorDelegate: public QItemDelegate
{
public:
	ColorDelegate(QObject *parent = 0) : QItemDelegate(parent) {}
 
public:
	virtual void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
	{
		drawBackground(painter, option, index);
		QItemDelegate::paint(painter, option, index);		
	}
 
protected:
	virtual void drawBackground(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
	{
		Q_UNUSED(index);
		painter->fillRect(option.rect, QColor(qrand()%255, qrand()%255, qrand()%255));		
	}
};

class ColorDelegate: public QItemDelegate
{
public:
	ColorDelegate(QObject *parent = 0) : QItemDelegate(parent) {}

public:
	virtual void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
	{
		drawBackground(painter, option, index);
		QItemDelegate::paint(painter, option, index);		
	}

protected:
	virtual void drawBackground(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
	{
		Q_UNUSED(index);
		painter->fillRect(option.rect, QColor(qrand()%255, qrand()%255, qrand()%255));		
	}
};

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applying a delegate for a table

...
table->setItemDelegate(new ColorDelegate(table));
...

...
table->setItemDelegate(new ColorDelegate(table));
...

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but in this case when a table is being resized items colors is being changed to.