我是新來的ASP。NET MVC 2.如何根據下拉列表自動更改文本框的內容?
我的網站顯示一個2下拉列表,然後2個文本框的形式。以下是視圖
當用戶更改任一下拉列表的選擇時,程序將在數據庫中自動檢查(使用下拉列表中的選定值)2個文本框的文本。
我該怎麼做?我猜我需要一些Java腳本(Ajax?)。我從來沒有做過這樣的事情,所以任何鏈接到網頁上的教程或我可以用來搜索谷歌的關鍵字將不勝感激!
親切的問候
鮑勃
<%@ Page Title="" Language="C#" MasterPageFile="~/Views/Shared/Site.Master" Inherits="System.Web.Mvc.ViewPage<RM.Advertising.ViewModels.AdvertViewModel>" %>
<asp:Content ID="Content1" ContentPlaceHolderID="TitleContent" runat="server">
Index
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="MainContent" runat="server">
<h2>
Index</h2>
<% using (Html.BeginForm())
{%>
<%: Html.ValidationSummary(true) %>
<fieldset>
<legend>Fields</legend>
<div class="editor-label">
<%: Html.LabelFor(model => model.PageId) %>
</div>
<div class="editor-field">
<%= Html.DropDownListFor(model => model.PageId, (IEnumerable<SelectListItem>)ViewData["PageNameList"])%>
<%= Html.ValidationMessageFor(model => model.PageId) %>
</div>
<div class="editor-label">
<%: Html.LabelFor(model => model.PositionOnPageId) %>
</div>
<div class="editor-field">
<%: Html.DropDownListFor(model => model.PositionOnPageId, (IEnumerable<SelectListItem>)ViewData["PositionList"])%>
<%: Html.ValidationMessageFor(model => model.PositionOnPageId) %>
</div>
<div class="editor-label">
<%: Html.LabelFor(model => model.Name) %>
</div>
<div class="editor-field">
<%: Html.TextBoxFor(model => model.Name) %>
<%: Html.ValidationMessageFor(model => model.Name) %>
</div>
<div class="editor-label">
<%: Html.LabelFor(model => model.Url) %>
</div>
<div class="editor-field">
<%: Html.TextBoxFor(model => model.Url) %>
<%: Html.ValidationMessageFor(model => model.Url) %>
</div>
<p>
<input type="submit" value="Save" />
</p>
</fieldset>
<% } %>
<div>
<%: Html.ActionLink("Back to List", "Index") %>
</div>
</asp:Content>