Hello, I am not able connect my database to repeater from yesterday.?

whenever I open connect repeater window it is not showing my databases.
Have a look at this


I have these databases.
now see this


why It is now showing my databases to connect to a repeater.
please help me asap.
thank you in advance.

You first need to add a dataset to the page. You can then connect the Repeater to the dataset.