更改ValidatorCalloutExtender的图标(Change the icon of ValidatorCalloutExtender)
We can use the WarningIconImageUrl=”me.jpg” to achieve the facing goal:
<%@ Page Language=”C#” %>
<%@ Register Assembly=”AjaxControlToolkit” Namespace=”AjaxControlToolkit” TagPrefix=”cc1″ %>
<!DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”>
<script runat=“server”>
</script>
<html xmlns=“http://www.w3.org/1999/xhtml”>
<head runat=“server”>
<title></title>
</head>
<body>
<form id=“form1″ runat=“server”>
<div>
<cc1:ToolkitScriptManager ID=“ToolkitScriptManager1″ runat=“server”>
</cc1:ToolkitScriptManager>
<asp:TextBox ID=“TextBox1″ runat=“server”></asp:TextBox>
<asp:RequiredFieldValidator ID=“RequiredFieldValidator1″ Display=“None” runat=“server”
ControlToValidate=“TextBox1″ ErrorMessage=“RequiredFieldValidator”></asp:RequiredFieldValidator>
<cc1:ValidatorCalloutExtender ID=“RequiredFieldValidator1_ValidatorCalloutExtender”
runat=“server” Enabled=“True” TargetControlID=“RequiredFieldValidator1″ WarningIconImageUrl=“me.jpg”>
</cc1:ValidatorCalloutExtender>
</div>
<asp:Button ID=“Button1″ runat=“server” Text=“Button” />
</form>
</body>
</html>
<%@ Register Assembly=”AjaxControlToolkit” Namespace=”AjaxControlToolkit” TagPrefix=”cc1″ %>
<!DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”>
<script runat=“server”>
</script>
<html xmlns=“http://www.w3.org/1999/xhtml”>
<head runat=“server”>
<title></title>
</head>
<body>
<form id=“form1″ runat=“server”>
<div>
<cc1:ToolkitScriptManager ID=“ToolkitScriptManager1″ runat=“server”>
</cc1:ToolkitScriptManager>
<asp:TextBox ID=“TextBox1″ runat=“server”></asp:TextBox>
<asp:RequiredFieldValidator ID=“RequiredFieldValidator1″ Display=“None” runat=“server”
ControlToValidate=“TextBox1″ ErrorMessage=“RequiredFieldValidator”></asp:RequiredFieldValidator>
<cc1:ValidatorCalloutExtender ID=“RequiredFieldValidator1_ValidatorCalloutExtender”
runat=“server” Enabled=“True” TargetControlID=“RequiredFieldValidator1″ WarningIconImageUrl=“me.jpg”>
</cc1:ValidatorCalloutExtender>
</div>
<asp:Button ID=“Button1″ runat=“server” Text=“Button” />
</form>
</body>
</html>