Sunday, 21 October 2012

implicitly coding defined dropdown image control - ASP.NET



here the code below(.aspx)

<%@ Page Language="C#" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">



<script runat="server">

    protected void Page_Load(object sender, EventArgs e)
    {
        DropDownList1.Items.Add(@"~/p1/i1.jpg");
        DropDownList1.Items.Add(@"~/p1/i2.jpg");
        DropDownList1.Items.Add(@"~/p1/i3.jpg");
        DropDownList1.Items.Add(@"~/p1/i4.jpg");
    }

    protected void Button1_Click(object sender, EventArgs e)
    {
        DropDownList1.Items.Clear();
        DropDownList1.Items.Add(@"~/p1/i1.jpg");
        DropDownList1.Items.Add(@"~/p1/i2.jpg");
        DropDownList1.Items.Add(@"~/p1/i3.jpg");
        DropDownList1.Items.Add(@"~/p1/i4.jpg");
        Image1.ImageUrl = DropDownList1.SelectedItem.ToString();
    }
</script>





<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <div style="height: 439px">

        <br />
&nbsp;&nbsp;&nbsp;
        <asp:Image ID="Image1" runat="server" Height="147px" Width="170px" />
&nbsp;&nbsp;
        <br />
        <br />
&nbsp;&nbsp;
        <asp:DropDownList ID="DropDownList1" runat="server">
        </asp:DropDownList>
&nbsp;&nbsp;
        <br />
        <br />
&nbsp;&nbsp;&nbsp;
        <asp:Button ID="Button1" runat="server" Text="SHOW" onclick="Button1_Click" />

    </div>
    </form>
</body>
</html>

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