下拉框联动效果,我们以部门–职位为例,选择部门时,关联到该部门的职位.下拉框的写法就不多说了,详细请参照前文.
视图:
其中,dept是部门的属性,deptlist是部门下拉框的属性,job是职位的属性,joblist是职位下拉框的属性,下拉框绑定请参照前文
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@using (Html.BeginForm("aaai003sch", "aaa", FormMethod.Post, new { @class = "form-horizontal", role = "form" }))
{
@Html.AntiForgeryToken()
<div class="modal-body">
<div class="form-horizontal">
<div class="form-group">
@Html.LabelFor(m => m.dept, new { @class = "col-sm-2 control-label" })
<div class="col-sm-10">
@Html.DropDownListFor(model => model.dept, Model.deptlist, new { @class = "form-control select2 ", style = "width: 100%;" })
@Html.ValidationMessageFor(m => m.dept, "", new { @class = "text-danger" })
</div>
</div>
<div class="form-group">
@ Html.LabelFor(m => m.job, new { @class = "col-sm-2 control-label" })
<div class="col-sm-10">
@Html.DropDownListFor(model => model.job, Model.joblist, new { @class = "form-control select2 page-select2-area", style = "width: 100%;" })
@Html.ValidationMessageFor(m => m.job, "", new { @class = "text-danger" })
</div>
</div>
</div>
</div>
</div>
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当部门变动的时候,职位也相应改变:
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//根据城市获取酒店
$("#dept").change(function () {
var url = rootUrl + "aaa/GetJobByDept";
var dept = $(this).val(); //获取部门的值
var job = $("#job");
job.empty(); //清空当前职位的值
//这句很重要，因我们用的是select2插件，若没有用这个插件可以去掉这句
job.select2('val', '');
$.ajax({
cache: false,
type: "GET",
url: url,
data: { "Dept": dept},
success: function (data) {
$.each(data, function (id, option) {
job.append($('<option></option>').val(option.Id).html(option.Name));
});
job.trigger('change');
},
error: function (xhr, ajaxOptions, thrownError) {
toastr["error"]("请选择部门");
}
});
});
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执行js里的URL,这个程式写在控制器里:
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[Description("根据部门获取职位")]
[AcceptVerbs(HttpVerbs.Get)]
[LoginAllowView]
public ActionResult GetJobByDept(string dept)
{
if (String.IsNullOrEmpty(dept))
{
throw new ArgumentNullException("dept");
}
StringBuilder sb = new StringBuilder();
sb = new StringBuilder();
sb.Append(" SELECT jobid,jobname ");
sb.Append(" FROM job_file ");
sb.Append(" LEFT JOIN dept_file ON jobdept = deptid ");
sb.AppendFormat(" WHERE deptid='{0}'", dept);
DataTable dt = sqlHelper.getData(sb.ToString());
var result = dt.AsEnumerable().Select(row => new Item
{
Name = Utils.ObjToStr(row["jobname"]),
Id = Utils.ObjToInt(row["jobid"], 0)
}).ToList();
return Json(result, JsonRequestBehavior.AllowGet);
}
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以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持快网idc。
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