📄 mytextbox.aspx
字号:
<%@ Page Trace="true" %>
<%@ Register TagPrefix="Wrox" Namespace="WroxControls"
Assembly="MyTextBoxState" %>
<script runat="server" language="C#">
private void OnNameChanged( object sender, EventArgs e )
{
status.Text = "Value changed to " + name.Text;
}
private void OnPreRender( object sender, EventArgs e )
{
if ( name.Text.Length > 7 )
name.Text = name.Text.Substring(0,7);
}
</script>
<html>
<body>
<form runat="server">
<H3>TextBox Control</H3>
<P>Enter a value: <Wrox:MyTextBoxState id="name" runat="server"
BackColor="Green"
ForeColor="Yellow"
BorderColor="Red"
OnTextChanged="OnNameChanged"
OnPreRender="OnPreRender" />
<BR>
<ASP:Button Text="Postback" runat="server" />
<P>
<ASP:Label runat="server" EnableViewState="False" id=status />
</form>
</body>
</html>
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