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ASP.Net/Asp Control/Image - История изменений
2026-04-29T19:06:45Z
История изменений этой страницы в вики
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http://nfex.ru/index.php?title=ASP.Net/Asp_Control/Image&diff=2112&oldid=prev
в 15:30, 26 мая 2010
2010-05-26T15:30:47Z
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http://nfex.ru/index.php?title=ASP.Net/Asp_Control/Image&diff=2113&oldid=prev
Admin: 1 версия
2010-05-26T11:52:25Z
<p>1 версия</p>
<p><b>Новая страница</b></p><div>==asp:image: change image dynamically==<br />
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<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language=VB Debug=true %><br />
<script runat=server><br />
Sub Page_Load(ByVal Sender as Object, ByVal E as EventArgs)<br />
If Not IsPostBack Then<br />
imgToView.AlternateText = "Image 1"<br />
imgToView.ImageUrl = "http://www.nfex.ru/style/download.png"<br />
End If<br />
End Sub<br />
Sub SubmitBtn_Click(Sender As Object, E As EventArgs)<br />
imgToView.AlternateText = ddlImages.SelectedItem.Text<br />
imgToView.ImageUrl = ddlImages.SelectedItem.Value<br />
End Sub<br />
</SCRIPT><br />
<HTML><br />
<HEAD><br />
<TITLE>Creating a Basic Image Control</TITLE><br />
</HEAD><br />
<form runat="server"><br />
<BR><BR><br />
Select an image to display:<BR><br />
<asp:dropdownlist<br />
id="ddlImages" <br />
runat=server <br />
><br />
<asp:listitem text="Image 1" value="http://www.nfex.ru/style/download.png"/><br />
<asp:listitem text="Image 2" value="http://www.nfex.ru/style/logo.png"/><br />
<asp:listitem text="Image 3" value="http://www.nfex.ru/style/download.png"/><br />
</asp:dropdownlist><br />
<BR><br />
<asp:linkbutton <br />
id="lnkbutOK"<br />
text="View Image"<br />
onclick="SubmitBtn_Click" <br />
runat="server"<br />
/><br />
<BR><BR><br />
<asp:image <br />
id="imgToView" <br />
runat="server"<br />
/><br />
</Form><br />
</BODY><br />
</HTML><br />
<br />
</source><br />
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==Changing the ImageUrl property dynamically (C#)==<br />
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<!-- start source code --><br />
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<source lang="csharp"><br />
<%@ Page Language="C#" %><br />
<script runat="server"><br />
protected void Button1_Click(object sender, EventArgs e)<br />
{<br />
Image1.ImageUrl = "~/MyImage2.gif";<br />
}<br />
</script><br />
<html xmlns="http://www.w3.org/1999/xhtml" ><br />
<head id="Head1" runat="server"><br />
<title>Image control</title><br />
</head><br />
<body><br />
<form id="form1" runat="server"><br />
<div><br />
<asp:Image ID="Image1" Runat="server" ImageUrl="~/MyImage1.gif" /><br /><br />
<br /><br />
<asp:Button ID="Button1" Runat="server" Text="Change Image" <br />
OnClick="Button1_Click" /><br />
</div><br />
</form><br />
</body><br />
</html><br />
</source><br />
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==Changing the ImageUrl property dynamically (VB)==<br />
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<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="VB" %><br />
<script runat="server"><br />
Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs)<br />
Image1.ImageUrl = "~/MyImage2.gif"<br />
End Sub<br />
</script><br />
<html xmlns="http://www.w3.org/1999/xhtml" ><br />
<head id="Head1" runat="server"><br />
<title>Image control</title><br />
</head><br />
<body><br />
<form id="form1" runat="server"><br />
<div><br />
<asp:Image ID="Image1" Runat="server" ImageUrl="~/MyImage1.gif" /><br /><br />
<br /><br />
<asp:Button ID="Button1" Runat="server" Text="Change Image" <br />
OnClick="Button1_Click" /><br />
</div><br />
</form><br />
</body><br />
</html><br />
</source></div>
Admin