The autocompleteFromQuery works well however it adds a semicolon at the end. Any

Can you post the expression what you have used for autocomplete and can you also check if the query is returning an array by any chance?

It puts a semicolon because you are passing "true" in the "allows multiple" input of the function and/or because your field has the "Allow multiple values" checkbox enabled in the forms designer.

The definition of the function is:

FormAPI.attachAutocompleteFromQuery = function(fieldId, datasource, query,
id_attr, display_attr, multiple)

as you can see the last parameter is a boolean to indicate whether your auto-complete field will accept multiple values in which case they will be semicolon separated.

Thanks again Eduardo! It works. Thanks Abiram u were right, it returns multiple values.