Wizard.ActiveStepChanged 事件
定义
重要
一些信息与预发行产品相关，相应产品在发行之前可能会进行重大修改。 对于此处提供的信息，Microsoft 不作任何明示或暗示的担保。
当用户切换到控件中的新步骤时发生。
public:
event EventHandler ^ ActiveStepChanged;public event EventHandler ActiveStepChanged;member this.ActiveStepChanged : EventHandler Public Custom Event ActiveStepChanged As EventHandler 事件类型
示例
下面的代码示例演示如何使用 ActiveStepChanged 事件更新 HeaderText 控件的 Wizard 属性。
<%@ 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">
void OnActiveStepChanged(object sender, EventArgs e)
{
// Every time that the ActiveStep property changes, change the HeaderText to match it.
Wizard1.HeaderText = "You are currently on " + Wizard1.ActiveStep.Title;
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>ASP.NET Example</title>
</head>
<body>
<form id="form1" runat="server">
<asp:Wizard ID="Wizard1"
Runat="server"
OnActiveStepChanged="OnActiveStepChanged"
HeaderText="ActiveStepChanged Example">
<WizardSteps>
<asp:WizardStep Title="Step 1"
Runat="server">
</asp:WizardStep>
<asp:WizardStep Title="Step 2"
Runat="server">
</asp:WizardStep>
</WizardSteps>
</asp:Wizard>
</form>
</body>
</html>
<%@ Page Language="VB" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
Sub OnActiveStepChanged(ByVal sender As Object, ByVal e As System.EventArgs)
' Every time that the ActiveStep property changes, change the HeaderText to match it.
Wizard1.HeaderText = "You are currently on " + Wizard1.ActiveStep.Title
End Sub
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>ASP.NET Example</title>
</head>
<body>
<form id="form1" runat="server">
<asp:Wizard ID="Wizard1"
Runat="server"
OnActiveStepChanged="OnActiveStepChanged"
HeaderText="ActiveStepChanged Example">
<WizardSteps>
<asp:WizardStep ID="WizardStep1" Title="Step 1"
Runat="server">
</asp:WizardStep>
<asp:WizardStep ID="WizardStep2" Title="Step 2"
Runat="server">
</asp:WizardStep>
</WizardSteps>
</asp:Wizard>
</form>
</body>
</html>
注解
当 ActiveStepChanged 控件中显示的 Wizard 当前步骤发生更改时，将引发 事件。 当 ActiveStepChanged 控件的 Wizard 当前步骤发生更改时，使用 事件提供其他处理。
有关如何处理事件的详细信息，请参阅 处理和引发事件。
