dropdownlistvalueselected.aspx
来自「asp.net技术内幕的书配源码」· ASPX 代码 · 共 63 行
ASPX
63 行
<%@ Page Language="C#"%>
<script runat=server>
void Button_Click(Object sender , EventArgs e)
{
lblSelectedIndex.Text = dropCategory.SelectedIndex.ToString();
lblSelectedText.Text = dropCategory.SelectedItem.Text.ToString();
lblSelectedValue.Text = dropCategory.SelectedItem.Value.ToString();
}
</Script>
<html>
<head><title>DropDownListValueSelected.aspx</title></head>
<body>
<form Runat="Server">
<asp:DropDownList
ID="dropCategory"
Runat="Server">
<asp:ListItem
Text="Country Music"
Value="country" />
<asp:ListItem
Text="Rock Music"
Value="rock"
Selected="True"/>
<asp:ListItem
Text="Classical Music"
Value="classic" />
</asp:DropDownList>
<asp:Button
Text="Select Category!"
OnClick="Button_Click"
Runat="Server" />
<hr>
Selected Index:
<asp:Label
ID="lblSelectedIndex"
Runat="Server" />
<p>
Selected Text:
<asp:Label
ID="lblSelectedText"
Runat="Server" />
<p>
Selected Value:
<asp:Label
ID="lblSelectedValue"
Runat="Server" />
</form>
</body>
</html>
⌨️ 快捷键说明
复制代码Ctrl + C
搜索代码Ctrl + F
全屏模式F11
增大字号Ctrl + =
减小字号Ctrl + -
显示快捷键?