ASP.Net/Development/Math
Содержание
Math.Abs (C#)
<source lang="csharp">
<%@ 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>
Pi = <asp:label id="pi" runat="server" />
Exponential Constant = <asp:label id="exp" runat="server" />
<form runat="server"> Input = <asp:textbox id="input" runat="server" /> <asp:button text="Submit" runat="server" onclick="Update" /></form>
Square root of <asp:label id="sqrt_input" runat="server"/> = <asp:label id="sqrt_result" runat="server" />
Absolute Value of <asp:label id="abs_input" runat="server"/> = <asp:label id="abs_result" runat="server" />
Logarithm of <asp:label id="log_input" runat="server"/> = <asp:label id="log_result" runat="server" />
<asp:label id="errormessage" runat="server" />
</body>
</html>
</source>
Math.Abs (VB.net)
<source lang="csharp">
<%@ page language="vb" runat="server" %> <script runat="server">
Sub Page_Load() pi.text = Math.PI exp.text = Math.E End Sub Sub Update(Sender As Object, E As EventArgs) Dim dblInput As Double = CDbl(input.text) sqrt_input.text = dblInput sqrt_result.text = Math.Sqrt(dblInput) abs_input.text = dblInput abs_result.text = Math.Abs(dblInput) log_input.text = dblInput log_result.text = Math.Log10(dblInput) End Sub
</script> <html>
<body>
Pi = <asp:label id="pi" runat="server" />
Exponential Constant = <asp:label id="exp" runat="server" />
<form runat="server"> Input = <asp:textbox id="input" runat="server" /> <asp:button text="Submit" runat="server" onclick="update" /></form>
Square root of <asp:label id="sqrt_input" runat="server"/> = <asp:label id="sqrt_result" runat="server" />
Absolute Value of <asp:label id="abs_input" runat="server"/> = <asp:label id="abs_result" runat="server" />
Logarithm of <asp:label id="log_input" runat="server"/> = <asp:label id="log_result" runat="server" />
</body>
</html>
</source>
Math.E (C#)
<source lang="csharp">
<%@ 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>
Pi = <asp:label id="pi" runat="server" />
Exponential Constant = <asp:label id="exp" runat="server" />
<form runat="server"> Input = <asp:textbox id="input" runat="server" /> <asp:button text="Submit" runat="server" onclick="Update" /></form>
Square root of <asp:label id="sqrt_input" runat="server"/> = <asp:label id="sqrt_result" runat="server" />
Absolute Value of <asp:label id="abs_input" runat="server"/> = <asp:label id="abs_result" runat="server" />
Logarithm of <asp:label id="log_input" runat="server"/> = <asp:label id="log_result" runat="server" />
<asp:label id="errormessage" runat="server" />
</body>
</html>
</source>
Math.E (VB.net)
<source lang="csharp">
<%@ page language="vb" runat="server" %> <script runat="server">
Sub Page_Load() pi.text = Math.PI exp.text = Math.E End Sub Sub Update(Sender As Object, E As EventArgs) Dim dblInput As Double = CDbl(input.text) sqrt_input.text = dblInput sqrt_result.text = Math.Sqrt(dblInput) abs_input.text = dblInput abs_result.text = Math.Abs(dblInput) log_input.text = dblInput log_result.text = Math.Log10(dblInput) End Sub
</script> <html>
<body>
Pi = <asp:label id="pi" runat="server" />
Exponential Constant = <asp:label id="exp" runat="server" />
<form runat="server"> Input = <asp:textbox id="input" runat="server" /> <asp:button text="Submit" runat="server" onclick="update" /></form>
Square root of <asp:label id="sqrt_input" runat="server"/> = <asp:label id="sqrt_result" runat="server" />
Absolute Value of <asp:label id="abs_input" runat="server"/> = <asp:label id="abs_result" runat="server" />
Logarithm of <asp:label id="log_input" runat="server"/> = <asp:label id="log_result" runat="server" />
</body>
</html>
</source>
Math.Log10 (VB.net)
<source lang="csharp">
<%@ page language="vb" runat="server" %> <script runat="server">
Sub Page_Load() pi.text = Math.PI exp.text = Math.E End Sub Sub Update(Sender As Object, E As EventArgs) Dim dblInput As Double = CDbl(input.text) sqrt_input.text = dblInput sqrt_result.text = Math.Sqrt(dblInput) abs_input.text = dblInput abs_result.text = Math.Abs(dblInput) log_input.text = dblInput log_result.text = Math.Log10(dblInput) End Sub
</script> <html>
<body>
Pi = <asp:label id="pi" runat="server" />
Exponential Constant = <asp:label id="exp" runat="server" />
<form runat="server"> Input = <asp:textbox id="input" runat="server" /> <asp:button text="Submit" runat="server" onclick="update" /></form>
Square root of <asp:label id="sqrt_input" runat="server"/> = <asp:label id="sqrt_result" runat="server" />
Absolute Value of <asp:label id="abs_input" runat="server"/> = <asp:label id="abs_result" runat="server" />
Logarithm of <asp:label id="log_input" runat="server"/> = <asp:label id="log_result" runat="server" />
</body>
</html>
</source>
Math.PI (C#)
<source lang="csharp">
<%@ 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>
Pi = <asp:label id="pi" runat="server" />
Exponential Constant = <asp:label id="exp" runat="server" />
<form runat="server"> Input = <asp:textbox id="input" runat="server" /> <asp:button text="Submit" runat="server" onclick="Update" /></form>
Square root of <asp:label id="sqrt_input" runat="server"/> = <asp:label id="sqrt_result" runat="server" />
Absolute Value of <asp:label id="abs_input" runat="server"/> = <asp:label id="abs_result" runat="server" />
Logarithm of <asp:label id="log_input" runat="server"/> = <asp:label id="log_result" runat="server" />
<asp:label id="errormessage" runat="server" />
</body>
</html>
</source>
Math.Sqrt (VB.net)
<source lang="csharp">
<%@ page language="vb" runat="server" %> <script runat="server">
Sub Page_Load() pi.text = Math.PI exp.text = Math.E End Sub Sub Update(Sender As Object, E As EventArgs) Dim dblInput As Double = CDbl(input.text) sqrt_input.text = dblInput sqrt_result.text = Math.Sqrt(dblInput) abs_input.text = dblInput abs_result.text = Math.Abs(dblInput) log_input.text = dblInput log_result.text = Math.Log10(dblInput) End Sub
</script> <html>
<body>
Pi = <asp:label id="pi" runat="server" />
Exponential Constant = <asp:label id="exp" runat="server" />
<form runat="server"> Input = <asp:textbox id="input" runat="server" /> <asp:button text="Submit" runat="server" onclick="update" /></form>
Square root of <asp:label id="sqrt_input" runat="server"/> = <asp:label id="sqrt_result" runat="server" />
Absolute Value of <asp:label id="abs_input" runat="server"/> = <asp:label id="abs_result" runat="server" />
Logarithm of <asp:label id="log_input" runat="server"/> = <asp:label id="log_result" runat="server" />
</body>
</html>
</source>
Use math function: Math.PI (VB.net)
<source lang="csharp">
<%@ page language="vb" runat="server" %> <script runat="server">
Sub Page_Load() pi.text = Math.PI exp.text = Math.E End Sub Sub Update(Sender As Object, E As EventArgs) Dim dblInput As Double = CDbl(input.text) sqrt_input.text = dblInput sqrt_result.text = Math.Sqrt(dblInput) abs_input.text = dblInput abs_result.text = Math.Abs(dblInput) log_input.text = dblInput log_result.text = Math.Log10(dblInput) End Sub
</script> <html>
<body>
Pi = <asp:label id="pi" runat="server" />
Exponential Constant = <asp:label id="exp" runat="server" />
<form runat="server"> Input = <asp:textbox id="input" runat="server" /> <asp:button text="Submit" runat="server" onclick="update" /></form>
Square root of <asp:label id="sqrt_input" runat="server"/> = <asp:label id="sqrt_result" runat="server" />
Absolute Value of <asp:label id="abs_input" runat="server"/> = <asp:label id="abs_result" runat="server" />
Logarithm of <asp:label id="log_input" runat="server"/> = <asp:label id="log_result" runat="server" />
</body>
</html>
</source>