dropdown to panel control

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I need some help.
I want to hadle panel from a dropdownlist.Suppose i have a dropdownlist,named dropdownlist1.It has two location on it.I want to use two indivitual panel for each loactions.when i'll select location1,then panel1 will visible and if i choose location2 then panel2 will visible.
Here's my code..please help me.

thnk u...

Here's my .NET code

Location:
<asp:DropDownList ID="DropDownList1" runat="server" AutoPostBack="true" OnSelectedIndexChanged="changed">
<asp:ListItem>howrah
<asp:ListItem>kolkata

<asp:Panel ID="Panel3" runat="server" Width="456px" Visible="False">
<asp:DropDownList ID="DropDownList2" runat="server" AutoPostBack="True">
<asp:ListItem>ballygung
<asp:ListItem>garia
<asp:ListItem>jadabpur

<asp:Label ID="Label4" runat="server" Text="Label">

<asp:Panel ID="Panel4" runat="server" Visible="False" Width="458px">
<asp:DropDownList ID="DropDownList3" runat="server" AutoPostBack="True">
<asp:ListItem>Nabanna
<asp:ListItem>colg ghat
<asp:ListItem>ds lane

Here's my C# code

namespace problem
{
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{

}

C#

<pre lang="c#">

protected void changed(object sender, EventArgs e)
{
Label3.Text = "your current location : " + DropDownList1.SelectedItem.Text;
if (DropDownList1.SelectedValue.ToString()=="howrah")
Panel3.Visible = true;
else
Panel4.Visible = false;
}

Posted 10-Jun-14 16:50pm

Debanjan Mondal

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DamithSL · Answer 1 · 2014-06-10T17:10:00

Solution 1

C#

protected void Page_Load(object sender, EventArgs e)
{
   if(!IsPostBack)
      HidePanels();
}
protected void changed(object sender, EventArgs e)
{
  HidePanels();
}
private void HidePanels()
{
    Label3.Text = "your current location : " + DropDownList1.SelectedItem.Text;
    if (DropDownList1.SelectedValue.ToString()=="howrah")
    {
      Panel3.Visible = true;
      Panel4.Visible = false;
    }else
    {
      Panel3.Visible = false;
      Panel4.Visible = true;
    }
}

Posted 10-Jun-14 17:10pm

DamithSL

Updated 10-Jun-14 17:13pm

v2

Comments

Debanjan Mondal 11-Jun-14 0:12am

now if I want to add 2nd panel with another location,how does it possible?

Debanjan Mondal 11-Jun-14 14:14pm

if more than two location are available,then what is the solution?
switch case is needed?
and how?

Debanjan Mondal 11-Jun-14 14:53pm

thanks,..i did it..