如何使用jquery在MVC中的多选中选择给定值? [英] How to selected then given values in multi select in MVC using jquery?
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问题描述
我在mvc应用程序中使用了一个多选择
I have using one multi select in mvc application
<select style="width:100%" class="select" id="Days" name="Days" multiple="multiple">
<option value='Sunday'>Sunday</option>
<option value='Monday'>Monday</option>
<option value="Tuesday">Tuesday</option>
<option value="Wednesday">Wednesday</option>
<option value="Thursday">Thursday</option>
<option value="Friday">Friday</option>
<option value="Saturday">Saturday</option>
</select>
选择几个值并存储后端。它正在工作,
我的问题:当我尝试在选择框中重新绑定值绑定
但是无法选择
我尝试过:
i试试这样
After select few values and stored backend. it's working,
my problem : when i try to retrive the value to bind in select box
but can't selected
What I have tried:
i try like this
var days='Sunday';
$('#Days').val(days);
推荐答案
('#Days')。val(天);
('#Days').val(days);
尝试
try
var selectedDays = ['Sunday', 'Monday'];
('#Days option')。each(function(a,option){
option.selected = selectedDays.indexOf(option.value) )> -1;
});
('#Days option').each(function (a, option) { option.selected = selectedDays.indexOf(option.value) > -1; });
演示: Plunker [< a href =https://plnkr.co/edit/n4hkuM75pQpjbGQRLAcy?p=previewtarget =_ blanktitle =New Window> ^ ]
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