📄 textboxchanged.aspx

📁 asp.net技术内幕的书配源码

💻 ASPX

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<%@ Page Language="C#"%>

<script Runat="Server">

void Page_Load (object sender, EventArgs e){

  lblMessage.Text = "";
}

void txtSomeText_TextChanged( object s, EventArgs e ) {
  lblMessage.Text = "You changed the value!";
}

</Script>

<html>
<head><title>TextBoxChanged.aspx</title></head>
<body>

<form Runat="Server">

<asp:TextBox
  ID="txtSomeText"
  Text="Apple"
  OnTextChanged="txtSomeText_TextChanged"
  Runat="Server"/>

<asp:Button
  Text="Submit!"
  Runat="Server"/>

<p>
<asp:Label
  id="lblMessage"
  Runat="Server" />

</form>

</body>
</html>

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