There could be many different meanings of seeing dates in a dream depending upon the situation and the nature of the dreamer as per Islam. Generally, speaking, seeing dates in a dream is a good omen.
1- According to Ibn Sirin رحمة الله عليه, the greatest dream interpreter of Islam, seeing dates in a dream means an increase in knowledge, wealth and social status.
2- Eating a date in a dream without its seed means that the dreamer will follow Islamic teachings.
3- Seeing a palm tree at your home with a lot of dates in a dream means that he would meet a rich person and get monetary benefits out of him.
4- Seeing a palm tree where the roots are cut off means that someone in the family would get sick.
5- If the dry date has turned green in a dream it is a sign that the person will get healthy.
6- According to Ibrahim Karmani رحمة الله عليه, seeing fresh dates in your possession means that the person will get wealth with a lot of difficulties.
7- According to Jabar Maghrabi رحمة الله عليه, seeing dry dates in a dream is a sign of halal wealth.