Populate A TextBox From A DropDownList Selection Javascript
Feb 7, 2011
I have a DDL and ASP.NET Textbox. I would like to populate the text box with the option I choose from the DDL. I need this to be instant and not use postbacks so it would seem JavaScript would be the obvious choice here. I have done quite a bit of searching but everything I have found seems to be for standard HTML (Selects and Inputs) and these do not appear to work with ASP objects:
<asp:DropDownList runat="server" ID="DDLSalesPerson" DataValueField="keyid" DataTextField="FullName" />
<asp:TextBox runat="server" id="txtSalesPerson" />
My DDL is populated from SQL in the code-behind page.
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[code]...
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Jul 3, 2010
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<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="MachineCode.aspx.cs" Inherits="SampleApp.MachineCode" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
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[Code]....
Here is the code in the cs file
[Code]....
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Populate items in DropDownList from TextBox Value in ASP.Net ...
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Code:
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
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<asp:AsyncPostBackTrigger ControlID="QuoteType"
EventName="SelectedIndexChanged" />
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</asp:UpdatePanel>
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Code:
protected void QuoteType_SelectedIndexChanged(object sender, EventArgs e)
{
try
{
}
catch (Exception err)
{
this.PublishError(err);
}
}
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