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[英]Show/hide drop down if a certain selection is made in previous drop down
[英]Show/Hide <div> section when drop down selection is made
我有一个下拉列表,当从中选择某项时,某些div需要隐藏或显示。 我为另一个下拉菜单工作,该下拉菜单基本上控制了页面的整个视图,但是我无法使该下拉菜单正常工作,并且代码几乎相同。 我尝试了很多不同的东西。
这是jQuery代码
$(document).ready(function () {
$("#ChangeRequestType").focus();
$("#ChangeRequestType").change(changeRequestDisplay);
changeRequestDisplay();
});
更多代码:
function changeRequestDisplay() {
var action = $("#ChangeRequestType").val();
if (action == "N/A") {
DisplayOnlyDefaultChangeMenu();
}
else if (action == "Description") {
DisplayDescriptionChange();
}
else if (action == "Procurement Category") {
DisplayProcurementCategoryChange();
}
else if (action == "NonStandard Conversions") {
DisplayNonStandardChangeRequest();
}
else if (action == "Item Group") {
DisplayItemGroupChange();
}
else if (action == "Extended Description") {
DisplayExtDescriptionChange();
}
else if (action == "More") {
DisplayMultipleChange();
}
}
更多代码:
function DisplayOnlyDefaultChangeMenu() {
$("tr").show();
$("#salesSetups").hide("slow");
$("#requiredInfo").show("slow");
$("#purchaseBUTable").show("slow");
$("#fullAndBasicSetup").hide("slow");
$("#fullAndSalesSetup").hide("slow");
$("#salesProcurementExtras").hide("slow");
$("#changeRequests").show("slow");
$("#ExtDescriptionRequest").hide("slow");
$("#ItemGroupChange").hide("slow");
$("#DescriptionRequest").hide("slow");
$("#ProcurementCategoryRequest").hide("slow");
$("#NonStandardConversionRequest").hide("slow");
}
function DisplayExtDescriptionChange() {
$("tr").show();
$("#salesSetups").hide("slow");
$("#requiredInfo").show("slow");
$("#purchaseBUTable").show("slow");
$("#fullAndBasicSetup").hide("slow");
$("#fullAndSalesSetup").hide("slow");
$("#salesProcurementExtras").hide("slow");
$("#changeRequests").show("slow");
$("#ExtDescriptionRequest").show("slow");
$("#ItemGroupChange").hide("slow");
$("#DescriptionRequest").hide("slow");
$("#ProcurementCategoryRequest").hide("slow");
$("#NonStandardConversionRequest").hide("slow");
}
function DisplayDescriptionChange() {
$("tr").show();
$("#salesSetups").hide("slow");
$("#requiredInfo").show("slow");
$("#purchaseBUTable").show("slow");
$("#fullAndBasicSetup").hide("slow");
$("#fullAndSalesSetup").hide("slow");
$("#salesProcurementExtras").hide("slow");
$("#changeRequests").show("slow");
$("#DescriptionRequest").show("slow");
$("#ProcurementCategoryRequest").hide("slow");
$("#NonStandardConversionRequest").hide("slow");
$("#ExtDescriptionRequest").hide("slow");
$("#ItemGroupChange").hide("slow");
}
function DisplayProcurementCategoryChange() {
$("tr").show();
$("#salesSetups").hide("slow");
$("#requiredInfo").show("slow");
$("#purchaseBUTable").show("slow");
$("#fullAndBasicSetup").hide("slow");
$("#fullAndSalesSetup").hide("slow");
$("#salesProcurementExtras").hide("slow");
$("#changeRequests").show("slow");
$("#DescriptionRequest").hide("slow");
$("#ProcurementCategoryRequest").show("slow");
$("#NonStandardConversionRequest").hide("slow");
$("#ExtDescriptionRequest").hide("slow");
$("#ItemGroupChange").hide("slow");
}
function DisplayNonStandardChangeRequest() {
$("tr").show();
$("#salesSetups").hide("slow");
$("#requiredInfo").show("slow");
$("#purchaseBUTable").show("slow");
$("#fullAndBasicSetup").hide("slow");
$("#fullAndSalesSetup").hide("slow");
$("#salesProcurementExtras").hide("slow");
$("#changeRequests").show("slow");
$("#DescriptionRequest").hide("slow");
$("#ProcurementCategoryRequest").hide("slow");
$("#NonStandardConversionRequest").show("slow");
$("#ExtDescriptionRequest").hide("slow");
$("#ItemGroupChange").hide("slow");
}
function DisplayItemGroupChange() {
$("tr").show();
$("#salesSetups").hide("slow");
$("#requiredInfo").show("slow");
$("#purchaseBUTable").show("slow");
$("#fullAndBasicSetup").hide("slow");
$("#fullAndSalesSetup").hide("slow");
$("#salesProcurementExtras").hide("slow");
$("#changeRequests").show("slow");
$("#DescriptionRequest").hide("slow");
$("#ProcurementCategoryRequest").hide("slow");
$("#NonStandardConversionRequest").hide("slow");
$("#ExtDescriptionRequest").hide("slow");
$("#ItemGroupChange").show("slow");
}
function DisplayMultipleChange() {
$("tr").show();
$("#salesSetups").hide("slow");
$("#requiredInfo").show("slow");
$("#purchaseBUTable").show("slow");
$("#fullAndBasicSetup").hide("slow");
$("#fullAndSalesSetup").hide("slow");
$("#salesProcurementExtras").hide("slow");
$("#changeRequests").show("slow");
$("#DescriptionRequest").show("slow");
$("#ProcurementCategoryRequest").show("slow");
$("#NonStandardConversionRequest").show("slow");
$("#ExtDescriptionRequest").show("slow");
$("#ItemGroupChange").show("slow");
}
这是我尝试实现所有功能的地方
<div class="span-18 last" id="changeRequests">
<table class="item-display">
<tr>
<td class="label required">Change Request Type</td>
<td class="value" colspan="5">
@Html.DropDownList("ChangeRequestType", new List<SelectListItem>
{
new SelectListItem { Text ="Select Option", Value="N/A"},
new SelectListItem { Text ="Item Group", Value="Item Group" },
new SelectListItem { Text ="Description", Value="Description" },
new SelectListItem { Text ="Extended Description", Value="Extended Description" },
new SelectListItem { Text ="Procurement Category", Value="Procurement Category" },
new SelectListItem { Text ="NonStandard Conversion", Value="NonStandard Conversions" },
new SelectListItem { Text ="More Than One Change Type", Value="More" },
}, new { onchange = "changeRequestDisplay()"})
</td>
</tr>
我已经对部分的<div>
id和下拉选择的值进行了两次和三次检查,如100000次,似乎没有问题,所以我似乎无法查明为什么它们都保留下来了隐藏,无论选择什么。
好吧,要获得选定的值,您应该使用
$("#ChangeRequestType option:selected").val();
它一定会解决您的问题
这行是问题所在:
$("tr").show();
尝试$("#ChangeRequestType").closest("tr")
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