‏الأشربة : Hadeeth No:4896 Jabir b. 'Abdullah al-Ansari reported that Allaah's Messenger (may peace upon him) prohibited the mixing of grapes and fresh dates, and dry dates and fresh dates....

‏الحج : Hadeeth No:3214 A hadith like this has been narrated on the authority of Ubaidullah with the same chain of transmitters....