Set selected value in asp.net DropDownList using Jquery

Question

I have ASP.Net DropDownList bind using c#. I want to change selected value of DropDownList on Button Click Event using JQuery.

<asp:DropDownList ID="ddlSubject" runat="server" >
</asp:DropDownList>


           I have tried this but did not work:          
      $( '#< %=ddlSubject.ClientID %> option:selected' ).val( "5" );

Praveen · Accepted Answer · 2017-07-20 05:18:47Z

2

If you haven't enclosed your dropdown in any grid or other container, use this:

$("#ddlSubject").val("5");

If not, use this:

$("#<%=ddlSubject.ClientID%>").val("5");

answered Jul 20, 2017 at 5:18

Praveen

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Comments

jignesh patel · Accepted Answer · 2017-07-20 05:13:34Z

0

You can set value using this

$("#<%=ddlSubject.ClientID%>").val("5");

answered Jul 20, 2017 at 5:13

jignesh patel

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4 Comments

jignesh patel Over a year ago

Try this ` $( '#< %=ddlSubject.ClientID %> option[value="5"]').attr('selected','selected').`

Dipali Wagh Over a year ago

Badluck. Not working. I have bound dropdowlist using C# datasource. Is it because of that its not working?

jignesh patel Over a year ago

You can set selected value from c# also.like this ddlSubject.Items.FindByValue(5).Selected = true;

Dipali Wagh Over a year ago

Yes I can. But I want to do it using jQuery/javascript only

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