How to insert the dropdown list with textbox

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Hi,

I want to display the Department values, I'm using only one dropdownlist.Please any one help to me.

XML

<asp:DropDownList ID="dropdown1" runat="server" AutoPostBack="true">
                <asp:ListItem Text="CSC" Value="CSC"></asp:ListItem>
                <asp:ListItem Text="ECE" Value="ECE"></asp:ListItem>
                <asp:ListItem Text="EEE" Value="EEE"></asp:ListItem>
                <asp:ListItem Text="MECH" Value="MECH"></asp:ListItem>
                <asp:ListItem Text="Other" Value="Other"></asp:ListItem>
                </asp:DropDownList>

                <td>
                    <asp:TextBox ID="txtDept" runat="server"></asp:TextBox>
                </td>

Thanks,

Posted 26-Jan-15 19:25pm

Member 11398751

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Anisuzzaman Sumon · Answer 1 · 2015-01-26T19:45:00

Your solution is very simple given below if it is not your solution then ask again

In ASPX

ASP.NET

 <%@ Page Title="Home Page" Language="vb" MasterPageFile="~/Site.Master" AutoEventWireup="false"
    CodeBehind="Default.aspx.vb" Inherits="WebApplication4VB._Default" %>

<asp:content id="HeaderContent" runat="server" contentplaceholderid="HeadContent" xmlns:asp="#unknown">
</asp:content>
<asp:content id="BodyContent" runat="server" contentplaceholderid="MainContent" xmlns:asp="#unknown">
<asp:dropdownlist id="dropdown1" runat="server" autopostback="true" onselectedindexchanged="dropdown1_SelectedIndexChanged">
                <asp:listitem text="CSC" value="CSC"></asp:listitem>
                <asp:listitem text="ECE" value="ECE"></asp:listitem>
                <asp:listitem text="EEE" value="EEE"></asp:listitem>
                <asp:listitem text="MECH" value="MECH"></asp:listitem>
                <asp:listitem text="Other" value="Other"></asp:listitem>
                </asp:dropdownlist>
 
     Name of the Department: <asp:textbox id="txtDept" runat="server"></asp:textbox>

</asp:content>

In Code behind .vb

VB.NET

Public Class _Default
    Inherits System.Web.UI.Page

    Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load

    End Sub

    Protected Sub dropdown1_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles dropdown1.SelectedIndexChanged
        txtDept.Text = dropdown1.SelectedValue.ToString()
    End Sub

End Class