c# - How to format a decimal string to int

String format decimal to int
string-format-decimal-to-int.aspx

<%@ Page Language="C#" AutoEventWireup="true"%>

<!DOCTYPE html>  
<script runat="server"> 
    protected void Button1_Click(object sender, System.EventArgs e)  
    {
        //this section create decimal variables.
        Decimal decimalValue1 = 123.55M;
        Decimal decimalValue2 = 555.45M;

        Label1.Text = "decimal value1: " + decimalValue1.ToString();
        Label1.Text += "<br />decimal value2: " + decimalValue2.ToString();

        //string format decimal to int using string.format method.
        Label1.Text += "<br /><br />decimal value1 to int: " + string.Format("{0:0}", decimalValue2);
        Label1.Text += "<br />decimal value2 to int: " + string.Format("{0:0}", decimalValue2);

        Label1.Text += "<br /><br />decimal value1 (Math.Floor): " + string.Format("{0:0}", Math.Floor(decimalValue1));
        Label1.Text += "<br />decimal value1 (Math.Round): " + string.Format("{0:0}", Math.Round(decimalValue1));

        Label1.Text += "<br /><br />decimal value2 (Math.Floor): " + string.Format("{0:0}", Math.Floor(decimalValue2));
        Label1.Text += "<br />decimal value2 (Math.Round): " + string.Format("{0:0}", Math.Round(decimalValue2));
    }  
</script>  
  
<html xmlns="http://www.w3.org/1999/xhtml">  
<head id="Head1" runat="server">  
    <title>c# example - string format decimal to int</title>  
</head>  
<body>  
    <form id="form1" runat="server">  
    <div>  
        <h2 style="color:MidnightBlue; font-style:italic;">  
            c# example - string format decimal to int
        </h2>  
        <hr width="550" align="left" color="Gainsboro" />  
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            ID="Label1"   
            runat="server"  
            Font-Size="Large"  
            >  
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        <br /><br />
        <asp:Button   
            ID="Button1"   
            runat="server"   
            Text="string format decimal to int"  
            OnClick="Button1_Click"
            Height="40"  
            Font-Bold="true"  
            />  
    </div>  
    </form>  
</body>  
</html>
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