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how to clear dropdown box?
hi,
how to clear dropdown box? . i have 2 dropdown box related i need to reset or clear the second one on the change off the first one.
regrads,
Elias
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@cssmdi, @eliasabouhamad
On change of value of the main dropdown, set both the depended dropdown token and its corresponding form token as well. Following is a run anywhere example:
The <change> event handler for Dropdown 1 updates both the token and form token for Dropdown2
<change>
<set token="form.tokDropdown2">$value$</set>
<set token="tokDropdown2">$value$</set>
</change>
Please try out and confirm!
<form>
<label>Clear Dropdown 2 Selection On Change of Dropdown 1</label>
<fieldset submitButton="false">
<input type="dropdown" token="tokDropdown1" searchWhenChanged="true">
<label>Dropdown 1</label>
<choice value="a">Alpha</choice>
<choice value="b">Beta</choice>
<choice value="c">Charlie</choice>
<change>
<set token="form.tokDropdown2">$value$</set>
<set token="tokDropdown2">$value$</set>
</change>
<default>a</default>
</input>
<input type="dropdown" token="tokDropdown2" searchWhenChanged="true">
<label>Dropdown 2</label>
<choice value="a">Apple</choice>
<choice value="b">Banana</choice>
<choice value="c">Cucumber</choice>
<default>a</default>
</input>
</fieldset>
<row>
<panel>
<html>
<div>Dropdown 1: $tokDropdown1$</div>
<div>Dropdown 2: $tokDropdown2$</div>
</html>
</panel>
</row>
</form>
| makeresults | eval message= "Happy Splunking!!!"
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Hi niketnilay
Works like a charm. Thank you very much!!
I missed the <set token="form.tokDropdown2">value_to_set</set>
It is hard to find this form.tokenname in the documentation.
Kind regards
Matthias
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@cssmdi I know that you have not posted the Question so you can not accept the answer. But do up vote the answer/comments that helped 🙂
Do try and get the Splunk Dashboard Examples App which has several everyday use case examples including those for Drilldown, Cascaded Dropdown and Tokens etc.
| makeresults | eval message= "Happy Splunking!!!"
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Hi
No chance to do this with simple XML and without HTML and JavaScript?
Regards
Matthias
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I solved a similar problem using this javascript:
require([
'splunkjs/ready!',
'splunkjs/mvc/textinputview',
'splunkjs/mvc/dropdownview'
],
function(mvc) {
var input1 = mvc.Components.get('input1');
var input2 = mvc.Components.get('input2');
input1.on('change', function() {
input2.val(undefined);
});
});
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