📄 x5-1.aspx
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<TITLE>[习题4]分析程序运行结果</TITLE>
<SCRIPT Language="VB" RUNAT="SERVER" >
Sub Tri_Click(sender As Object, e As EventArgs)
Dim tAngle As Double = Math.PI / 180 * Double.Parse(Angle.Text)
IF rSin.Checked Then
Display.Text = "<BR> 运算结果:Sin( " & Angle.Text & ") = " & Math.Sin(tAngle)
End IF
IF rCos.Checked Then
Display.Text = "<BR> 运算结果:Cos( " & Angle.Text & ") = " & Math.Cos(tAngle)
End IF
End Sub
</Script >
<BODY>
请输入角度值:<BR>
<FORM RUNAT="SERVER">
<asp:TextBox id="Angle" runat=server/><P>
<asp:radiobutton id="rSin" Text="Sin" groupname="cal" checked=true AutoPostBack=true OnCheckedChanged="Tri_Click" runat=server/><BR>
<asp:radiobutton id="rCos" Text="Cos" groupname="cal" checked=false AutoPostBack=true OnCheckedChanged="Tri_Click" runat=server/><HR>
<asp:label id="Display" forecolor="Blue" font-size="20pt" runat=server/>
</FORM>
</BODY>
</HTML>
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