Your JSON isn't formatted correctly. First of all, the annotation role
isn't valid for the domain column ("Dat" in your example). Also, you need
to include all 3 column definitions together, and populate all rows with 3
columns of data, like this:
{ "cols": [ {"label":"Dat","type":"date"}, {"label":"RETURNING
VISITS","type":"number"}, {"label":"NEW VISITS","type":"number"} ], "rows":
[{"c":[{"v":"Date(2012,11,28)"}, {"v": 0}, {"v": 5}
]},{"c":[{"v":"Date(2012,11,29)"}, {"v": 0}, {"v": 5}]}] }
On Friday, December 28, 2012 4:49:56 PM UTC-5, Arush wrote:
>
> For mulitple columns i get data like this but it doesnt draw both the
> lines ...
> { "cols": [ {"label":"Dat","type":"date","role":"annotation"},
> {"label":"RETURNING VISITS","type":"number"} ], "rows":
> [{"c":[{"v":"Date(2012,11,28)"}, {"v": 0}]},{"c":[{"v":"Date(2012,11,29)"},
> {"v": 0}]},], "cols": [ {"label":"Dat","type":"date","role":"annotation"},
> {"label":"NEW VISITS","type":"number"} ], "rows":
> [{"c":[{"v":"Date(2012,11,28)"}, {"v": 5}]},{"c":[{"v":"Date(2012,11,29)"},
> {"v": 5}]},]}
>
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