[OpenLayers-Dev] How to Handle if the result is empty with CQL filter in WMS requests

[naresh]

Dear All,
    I  have used CQL Filter with WMS Layer. If filter not satisfies with
given value getting empty tiles. In this case I want to show result is
empty. How to handle this.

For example: WMS layer is having attribute called STATE_NAME and its has
value India. If we use CQL Filter  has    STATE_NAME= 'India' it is getting
proper result. If we sent the CQL filter with value which does not contained
in STATE_NAME it is showing empty result. i.e   STATE_NAME= 'Indi'  result
is empty. when this kind of queries formed and sent to server , I want to
display to end user result is empty message.

Please suggest to handle empty result



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