<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:'times new roman', 'new york', times, serif;font-size:12pt;color:#000000;"><div style="color: rgb(0, 0, 0); font-family: 'times new roman', 'new york', times, serif; font-size: 12pt; ">Hello all </div><div style="color: rgb(0, 0, 0); font-family: 'times new roman', 'new york', times, serif; font-size: 12pt; "><br></div><div><font class="Apple-style-span" face="'times new roman', 'new york', times, serif" size="3">I am doing as following example </font><a href="http://api.geoext.org/1.0/examples/feature-grid.html" style="color: rgb(0, 0, 0); font-family: 'times new roman', 'new york', times, serif; font-size: 12pt; ">http://api.geoext.org/1.0/examples/feature-grid.html</a><font class="Apple-style-span" face="'times new roman', 'new york', times, serif" size="3">, in my web I would do for more than 3 layers of feature grids in different json
file by using </font><font class="Apple-style-span" face="'times new roman', 'new york', times, serif">combobox</font><font class="Apple-style-span" face="'times new roman', 'new york', times, serif" size="3"> to control and switch visible of layer and refresh feature of grid, but when I changed my combobox as you can see bellow </font></div><div><font class="Apple-style-span" face="'times new roman', 'new york', times, serif" size="3"><br></font></div><div><font class="Apple-style-span" face="'times new roman', 'new york', times, serif" size="3"><div> var datastore = new Ext.data.SimpleStore({</div><div> fields: ['alpha2code','name'],</div><div> data: [["basin","topp:basin"],["rainfall","rainfall station"],["tram1","Stations1"]]</div><div> });</div><div><br></div><div>I face with problem that I dont know how to refresh a map and feature grid after switch my combobox for control
layers</div><div>My problem is I did not know Geoext scripts or functions similar to my work. Could you please give me idea about this case </div><div><br></div><div>Many thanks</div><div><br></div><div>Quang</div></font></div><div style="position: fixed; color: rgb(0, 0, 0); font-family: 'times new roman', 'new york', times, serif; font-size: 12pt; "></div>
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