How to pass a hide int value whenever i change the value of the dropdownlist in asp.net. How to do?

In order to fill a dropdownlist with two value as (id, value) in an Asp.net application. When populating the dropdownlist, the id should be hidden. when an item is selected, that id has to be passed as internally. How can this be done?

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  1. < % ' Selected constants from adovbs.inc Const adOpenStatic = 3 Const adLockPessimistic = 2Dim cnnExcel Dim rstExcel Dim I Dim iCols' This is all standard ADO except for the connection string. ' You can also use a DSN instead, but so it'll run out of the ' box on your machine I'm using the string instead. Set cnnExcel = Server.CreateObject("ADODB.Connection") cnnExcel.Open "DBQ=" & Server.MapPath("xl_data.xls") & ";" & _ "DRIVER={Microsoft Excel Driver (*.xls)};"' Same as any other data source. ' FYI: TestData is my named range in the Excel file Set rstExcel = Server.CreateObject("ADODB.Recordset") rstExcel.Open "SELECT * FROM TestData;", cnnExcel, _ adOpenStatic, adLockPessimistic' Get a count of the fields and subtract one since we start ' counting from 0. iCols = rstExcel.Fields.Count %>

    < % ' Show the names that are contained in the first row ' of the named range. Make sure you include them in ' your range when you create it. For I = 0 To iCols - 1 Response.Write "

    < % rstExcel.MoveFirst' Loop through the data rows showing data in an HTML table. Do While Not rstExcel.EOF Response.Write "

    ” & vbCrLf
    For I = 0 To iCols – 1
    Response.Write “

    ” & vbCrLf
    Next ‘I
    Response.Write “” & vbCrLf

    rstExcel.MoveNext
    Loop
    %>


    Response.Write rstExcel.Fields.Item(I).Name
    Response.Write “” & vbCrLf
    Next ‘I
    %>

    Response.Write rstExcel.Fields.Item(I).Value
    Response.Write “

    < % rstExcel.Close Set rstExcel = NothingcnnExcel.Close Set cnnExcel = Nothing %>

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