c# - String format number two digits

String format number two digits
string-format-number-two-digits.aspx

<%@ Page Language="C#" AutoEventWireup="true"%>
  
<!DOCTYPE html>  
<script runat="server"> 
    protected void Button1_Click(object sender, System.EventArgs e)  
    {
        //this line create an int variable.
        int number = 123;

        //this line create a decimal variable.
        decimal decimalValue = 125.9M;

        //this line create a double variable.
        double doubleValue = 100.123;

        Label1.Text = "number: " + number;

        Label1.Text += "<br />formatted string..............<br />";
        //format string using ToString method.
        Label1.Text += "<br />format integer number two digits: " + number.ToString("0.00");
        Label1.Text += "<br />format decimal value two digits: " + decimalValue.ToString("0.00");
        Label1.Text += "<br />format double value two digits: " + doubleValue.ToString("0.00");

        //format string using string.format method.
        Label1.Text += "<br />format string 2 digits number: " + string.Format("{0:0.00}", number);
    }  
</script>  
  
<html xmlns="http://www.w3.org/1999/xhtml">  
<head id="Head1" runat="server">  
    <title>c# example - string format number two digits</title>  
</head>  
<body>  
    <form id="form1" runat="server">  
    <div>  
        <h2 style="color:MidnightBlue; font-style:italic;">  
            c# example - string format number two digits
        </h2>  
        <hr width="550" align="left" color="Gainsboro" />  
        <asp:Label   
            ID="Label1"   
            runat="server"  
            Font-Size="Large"  
            >  
        </asp:Label>  
        <br /><br />
        <asp:Button   
            ID="Button1"   
            runat="server"   
            Text="string format number two digits"  
            OnClick="Button1_Click"
            Height="40"  
            Font-Bold="true"  
            />  
    </div>  
    </form>  
</body>  
</html>
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