ASP.Net/Asp Control/Image
asp:image: change image dynamically
<source lang="csharp">
<%@ Page Language=VB Debug=true %> <script runat=server> Sub Page_Load(ByVal Sender as Object, ByVal E as EventArgs)
If Not IsPostBack Then
imgToView.AlternateText = "Image 1"
imgToView.ImageUrl = "http://www.nfex.ru/style/download.png"
End If
End Sub Sub SubmitBtn_Click(Sender As Object, E As EventArgs)
imgToView.AlternateText = ddlImages.SelectedItem.Text imgToView.ImageUrl = ddlImages.SelectedItem.Value
End Sub
</SCRIPT>
<HTML>
<HEAD>
<TITLE>Creating a Basic Image Control</TITLE>
</HEAD>
<form runat="server">
Select an image to display:
<asp:dropdownlist
id="ddlImages" runat=server
>
<asp:listitem text="Image 1" value="http://www.nfex.ru/style/download.png"/> <asp:listitem text="Image 2" value="http://www.nfex.ru/style/logo.png"/> <asp:listitem text="Image 3" value="http://www.nfex.ru/style/download.png"/>
</asp:dropdownlist>
<asp:linkbutton
id="lnkbutOK" text="View Image" onclick="SubmitBtn_Click" runat="server"
/>
<asp:image
id="imgToView" runat="server"
/> </Form> </BODY> </HTML>
</source>
Changing the ImageUrl property dynamically (C#)
<source lang="csharp">
<%@ Page Language="C#" %> <script runat="server">
protected void Button1_Click(object sender, EventArgs e)
{
Image1.ImageUrl = "~/MyImage2.gif";
}
</script> <html xmlns="http://www.w3.org/1999/xhtml" > <head id="Head1" runat="server">
<title>Image control</title>
</head> <body>
<form id="form1" runat="server">
<asp:Image ID="Image1" Runat="server" ImageUrl="~/MyImage1.gif" />
<asp:Button ID="Button1" Runat="server" Text="Change Image" OnClick="Button1_Click" />
</form>
</body> </html>
</source>
Changing the ImageUrl property dynamically (VB)
<source lang="csharp">
<%@ Page Language="VB" %> <script runat="server">
Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs)
Image1.ImageUrl = "~/MyImage2.gif"
End Sub
</script> <html xmlns="http://www.w3.org/1999/xhtml" > <head id="Head1" runat="server">
<title>Image control</title>
</head> <body>
<form id="form1" runat="server">
<asp:Image ID="Image1" Runat="server" ImageUrl="~/MyImage1.gif" />
<asp:Button ID="Button1" Runat="server" Text="Change Image" OnClick="Button1_Click" />
</form>
</body> </html>
</source>
