使用json 和jQuery制作级联dropdownlist
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联动式的下拉选择是一个很普遍的需求,在ASP.NET MVC中可以使用Json和jQuery来实现,更简单的是使用jQuery的级联插件CascadingDropDown ,具体参见文章http://...
联动式的下拉选择是一个很普遍的需求,在ASP.NET MVC中可以使用Json和jQuery来实现,更简单的是使用jQuery的级联插件CascadingDropDown ,具体参见文章http://weblogs.asp.net/rajbk/archive/2010/05/20/cascadingdropdown-jquery-plugin-for-asp-net-mvc.aspx。
1: $(targetID).CascadingDropDown(sourceID, actionPath, settings)
2:
3: •targetID
4: The ID of the select list that will auto populate.
5:
6: •sourceID
7: The ID of the select list, which, on change, causes the targetID to auto populate.
8:
9: •actionPath
10: The url to post to
11: Options
12:
13: •promptText
14: Text for the first item in the select list
15: Default : -- Select --
16:
17: •loadingText
18: Optional text to display in the select list while it is being loaded.
19: Default : Loading..
20:
21: •errorText
22: Optional text to display if an error occurs while populating the list
23: Default: Error loading data.
24:
25: •postData
26: Data you want posted to the url in place of the default
27: Example :
28: postData: function ()
29: return prefix: $(#txtPrefix).val(), customerID: $(#customerID).val() ;
30:
31: will cause prefix=foo&customerID=bar to be sent as the POST body.
32: Default: A text string obtained by calling serialize on the sourceID
33:
34: •onLoading (event)
35: Raised before the list is populated.
36:
37: •onLoaded (event)
38: Raised after the list is populated, The code below shows how to “animate” the select list after load.
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