How to add drop-down box value and background acquisition of js+jquery in asp.net

This article mainly explains "how to add drop-down box values and background access to js+jquery in asp.net", interested friends may wish to have a look. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn how to add drop-down box values and background access to js+jquery in asp.net.

The copy code is as follows:

$(function () {)

$(".cg2") .change (function () {

Var id = $(this) .attr ("id")

Var value = $(this) .val ()

Var newid ='#'+ id.replace ('_ 1 column,'_ 2 column'); / / replace the first column id with the second column id

/ / alert (newid)

Var data = "t1*v1 | t2*v2 | t3*v3"; / / the data format obtained by the backend. A fixed value is used here.

Var datas = data.split ('|'); / / split into multiple groups

For (var I = 0; I < datas.length; iTunes +) {

Var D1 = datasi. Split ('*'); / / each group is divided into display values and real values

$(newid) .append ("" + D1 [0] + "")

/ / alert (D1)

}

/ / alert (id + "| |" + value)

});

})

In order to satisfy two columns, any number of rows. Background dynamic generation of drop-down boxes, but also before and after cascading requirements. Using js+jquery, not even server control + Ajax, always choose after