The following example shows a single-file ASP.NET Web page in its original form and the resulting user control after converting the page.
.gif "Security note") Security Note: |
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This example has a text box that accepts user input, which is a potential security threat. By default, ASP.NET Web pages validate that user input does not include script or HTML elements. For more information, see
Script Exploits Overview.
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<%@ Page Language="VB" %>
<html>
<script runat=server>
Sub EnterBtn_Click(sender as Object, e as EventArgs)
Label1.Text = "Hi " & Name.Text & " welcome to ASP.NET!"
End Sub
</script>
<body>
<h3> <u>Web Forms Page</u> </h3>
<form>
Enter Name: <asp:textbox id="Name" runat=server/>
<asp:button Text="Enter" OnClick="EnterBtn_Click"
runat=server/>
<br>
<br>
<asp:label id="Label1" runat=server/>
</form>
</body>
</html>
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<%@ Page Language="C#" %>
<html>
<script runat=server>
void EnterBtn_Click(Object sender, EventArgs e)
{
Label1.Text = "Hi " + Name.Text + " welcome to ASP.NET!";
}
</script>
<body>
<h3> <u>Web Forms Page</u> </h3>
<form>
Enter Name: <asp:textbox id="Name" runat=server/>
<asp:button Text="Enter" OnClick="EnterBtn_Click"
runat=server/>
<br>
<br>
<asp:label id="Label1" runat=server/>
</form>
</body>
</html>
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<%@ Control Language="VB" ClassName="SampleUserControl" %>
<h3> <u>User Control</u> </h3>
<script runat=server>
Sub EnterBtn_Click(sender as Object, e as EventArgs)
Label1.Text = "Hi " & Name.Text & " welcome to ASP.NET!"
End Sub
</script>
Enter Name: <asp:textbox id="Name" runat=server/>
<asp:button Text="Enter" OnClick="EnterBtn_Click"
runat=server/>
<br>
<br>
<asp:label id="Label1" runat=server/>
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<%@ Control Language="C#" ClassName="SampleUserControl" %>
<h3> <u>User Control</u> </h3>
<script runat=server>
void EnterBtn_Click(Object Sender, EventArgs e)
{
Label1.Text = "Hi " + Name.Text + " welcome to ASP.NET!";
}
</script>
Enter Name: <asp:textbox id="Name" runat=server/>
<asp:button Text="Enter" OnClick="EnterBtn_Click"
runat=server/>
<br>
<br>
<asp:label id="Label1" runat=server/>
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