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The jquey check box is associated with level 1 and level 2 categories,

Source: Internet
Author: User
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The jquey check box is associated with level 1 and level 2 categories,

<% @ Page Language = "C #" AutoEventWireup = "true" CodeBehind = "Category_Manage_New_Two.aspx.cs" Inherits = "Lilaidao. admin. weblogin. category_Manage_New_Two "%> <% @ Register Src =" bottom. ascx "TagName =" bottom "TagPrefix =" V5 "%> the main code is as follows <! DOCTYPE html PUBLIC "-// W3C // dtd xhtml 1.0 Transitional // EN "" http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd "> <Html xmlns =" http://www.w3.org/1999/xhtml "> <Head id =" Head1 "runat =" server "> <title> product category management </title> <link href =" css/css.css "rel =" stylesheet "type = "text/css"/> <link href = "css/css_list.css" rel = "stylesheet" type = "text/css"/> <link href = "css/control.css" rel = "stylesheet" type = "text/css"/> <script language = "javascript" type = "text/javascript" src = "js/Common. js "> </script> <script src =" js/jquery-1.3.2.min.js "type =" text/javascript "> </script> <Script type = "text/javascript"> $ (function () {$ ("input [name = 'category1']"). click (function () {var idvalue = $ (this ). val (); var check = this. checked; var idvalue2; var check2; $ ("input [name = 'category2']"). each (function (index, ele) {if ($ (ele ). attr ("ParentId") = idvalue) {ele. checked = check; idvalue2 = $ (ele ). val (); check2 = ele. checked; $ ("input [name = 'category3']"). each (function (index, ele) {If ($ (ele ). attr ("ParentId") = idvalue2) {ele. checked = check2 ;}}) ;}$ ("input [name = 'category2']"). click (function () {var parentId = $ (this ). attr ("ParentId") // obtain the parent Id var check = this. checked; // The selected status of the secondary category $ ("input [name = 'category1']"). each (function (index, ele) {if ($ (ele ). val () = parentId) {var idvalue = $ (this ). val () // obtain the id of the first-level classification // var countOne =$ ("input [type = 'checkbox'] [par Entid = '"+ idvalue +"'] "). length // obtain the total number of second-level category selection boxes. // obtain the number of second-level categories. If the number is greater than 0, select var count = $ ("input [type = 'checkbox'] [parentid =' "+ idvalue +" ']: checked "). length; count> 0? Ele. checked = true: ele. checked = false ;}}) idvalue2 = $ (this ). val (); // obtain the parent id check2 = this. checked; // The selected status of the secondary category $ ("input [name = 'category3']"). each (function (index, ele) {if ($ (ele ). attr ("ParentId") = idvalue2) {ele. checked = check2 ;}}) ;}); $ ("input [name = 'category3']"). click (function () {var parentId = $ (this ). attr ("ParentId") // obtain the parent Id var check = this. checked; // The selected status of the third-level category $ ("Indium Ut [name = 'category2'] "). each (function (index, ele) {if ($ (ele ). val () = parentId) {var idvalue = $ (this ). val () // obtain the id of the second-level classification // var countOne =one ("input [type = 'checkbox'] [parentid = '" + idvalue + "']"). length // obtain the total number of second-level category selection boxes // obtain the number of three-level category selection. If the number is greater than 0, the second-level category is selected, for the corresponding level-1 category, select var count = $ ("input [type = 'checkbox'] [parentid = '" + idvalue + "']: checked "). length; // count> 0? Ele. checked = true: ele. checked = false; if (count> 0) {ele. checked = true // select the level-2 Classification var id1 = $ (ele ). attr ("ParentId") // obtain the id of the first-level category $ ("input [type = 'checkbox'] [value = '" + id1 + "']"). attr ("checked", "checked"); // select a level-1 category} else {ele. checked = false; // select the level-2 Classification var id1 = $ (ele ). attr ("ParentId") // obtain the id of the first-level category $ ("input [type = 'checkbox'] [value = '" + id1 + "']"). attr ("checked", ""); // do not select a level-1 category }}})});}) </script> 

　　

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