javascript for assigning the and displaying the database value in a DropDownList

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Hi Every one,

I am assigning the value of the database column "PermState" to DropDownList1, so that it should appear as DropDownList1's SelectedIndex as given below:

DropDownList1.SelectedIndex = DropDownList1.Items.IndexOf(DropDownList1.Items.FindByText(dt.Rows[0]["PermState"].ToString().ToUpper()));

Here, I need to use a javascript to do the same instead of C# code.

Please any one give me a javascript for this.

Regards,

Posted 20-May-11 19:37pm

Raj.rcr

Updated 20-May-11 20:38pm

v3

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prem shanker verma · Answer 1 · 2011-05-20T22:16:00

use below java script for dropdown selectedIndex.

pass the object instance (eg. comboBox1.clientID) either in server side or client side and the text witch u have to select..

I think this code will help you.

Example:

XML

<html>
<head>
<title>Customer Inquiry</title>
<SCRIPT language="JavaScript">
function setIndex(){
    var obj = document.getElementById('select');
    var YourText="MS"; // pass your text from here
    obj.selectedIndex= getIndexOnText(obj,YourText);
}
function getIndexOnText(obj ,YourText)
{
for(i=0; i < obj .length;i=i+1){
    matchText = obj .options[i].text;
    if(YourText == matchText){
        return i;
    }
        }
}
</SCRIPT>
</head>
<body>
    <form name="sysaccess" >
        <select name="select1" id="select">
        <option value="CL">CL</option>
        <option value="EL">EL</option>
   <option value="PS">PS</option>
   <option value="MS">MS</option>
   <option value="GS">GS</option>
        </select>
            <input type="button" onclick="setIndex()()">
    </form>
</body>
</html>