jsp - set multiple default value in select tag in struts2 -

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how can set multiple default value using select tag in struts2. e.g have list of names "namea, nameb, namec". want these 3 names selected default. can populate list struggling set multiple default value.

<s:select id        = "name"            size      = "5"            name      = "nameform.nameids"            cssstyle  = "width:365px;margin-top:10px; margin-bottom:10px;"           list      = "name.namelist"            listkey   = "id"            listvalue = "displayname"            multiple  = "true"  ></s:select>

you need use value attribute of <s:select> tag. , because using bean generate <s:select> values need create list of bean properties used in listkey attribute. in case list of id-s.

<s:set var="idslist" value="{'id1','id2','id3'}" /> <s:select list="name.namelist" listkey="id" listvalue="displayname" multiple="true" value="%{#idslist}" />

in order select use list ognl projection selecting id-s in it.

<s:select id        = "name"            size      = "5"            name      = "nameform.nameids"            cssstyle  = "width:365px;margin-top:10px; margin-bottom:10px;"           list      = "name.namelist"            listkey   = "id"            listvalue = "displayname"            multiple  = "true"            value     = "%{name.namelist.{id}}" ></s:select>

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