[OpenLayers-Users] Dynamically modify existing WMS layers

[S.Reena]

Hi All,

I've made layers like this:

wms[4] = new OpenLayers.Layer.WMS.Untiled(
                   "Tamilnadu
Road","http://gis.rtbi-iitm.in/cgi-bin/mapserv?map=/var/www/html/v1/mapfile/tnroad.map",
                   {'layers':
"tnroad",'transparent':"true"},{'isBaseLayer':false} );

Is it possible that user can make some modifications in this layer
dynamically  like deleting existing roads or extending some road which
involved changing existing data in database.....

Any example in this regard will be of great help.

Thanks in Advance :)

Cheers,
Reena.
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