Math.E (C#) : Math « Development « ASP.Net

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ASP.Net » Development » Math 
Math.E (C#)

<%@ page Language="c#" runat="server" %>
<script language="c#" runat="server">
  void Page_Load()
  {
    pi.Text = Math.PI.ToString();
    exp.Text = Math.E.ToString();
  }
  void Update(object sender, EventArgs e)
  {
    try 
    {
      double dblInput = Convert.ToDouble(input.Text);
      sqrt_input.Text = dblInput.ToString();
      sqrt_result.Text = Math.Sqrt(dblInput).ToString();
      abs_input.Text = dblInput.ToString();
      abs_result.Text = Math.Abs(dblInput).ToString();
      log_input.Text = dblInput.ToString();
      log_result.Text = Math.Log10(dblInput).ToString();
    catch {
      sqrt_result.Text = "";
      abs_result.Text = "";
      log_result.Text = "";
      errormessage.Text = "Error occurred in input";
    }
  }
</script>
<html>
  <body>
    <hr />
    Pi = <asp:label id="pi" runat="server" /><br />
    Exponential Constant = <asp:label id="exp" runat="server" />
    <hr />
    <form runat="server">
    Input = <asp:textbox id="input" runat="server" />
    <asp:button text="Submit" runat="server" onclick="Update" />
    </form><hr />
    Square root of <asp:label id="sqrt_input" runat="server"/>
    = <asp:label id="sqrt_result" runat="server" /><br />
    Absolute Value of <asp:label id="abs_input" runat="server"/>
    = <asp:label id="abs_result" runat="server" /><br />
    Logarithm of <asp:label id="log_input" runat="server"/>
    = <asp:label id="log_result" runat="server" /><br />
    <asp:label id="errormessage" runat="server" /><br />
  </body>
</html>

           
       
Related examples in the same category
1.Math.Sqrt (VB.net)
2.Math.Abs (VB.net)
3.Math.Log10 (VB.net)
4.Use math function: Math.PI (VB.net)
5.Math.E (VB.net)
6.Math.PI (C#)
7.Math.Abs (C#)
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