c# - How to create a TimeSpan

Create a TimeSpan
CreateTimeSpan.aspx

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

<!DOCTYPE html>

<script runat="server">
    protected void Page_Load(object sender, System.EventArgs e) {
        if(!this.IsPostBack)
        {
            Button1.Font.Bold = true;
            Button1.ForeColor = System.Drawing.Color.Indigo;
            Button1.Text = "Create 24 Hours TimeSpan And Add With Now";
            Label1.Font.Size = FontUnit.Larger;
            Label1.ForeColor = System.Drawing.Color.Crimson;
            Label1.Font.Bold = true;
            Label1.Font.Italic = true;
        }
    }
    
    protected void Button1_Click(object sender, System.EventArgs e) {
        DateTime now = DateTime.Now;
        TimeSpan timeSpan24Hours = TimeSpan.FromHours(24);
        DateTime modifiedDateTime = now + timeSpan24Hours;


        Label1.Text = "Now: " + now.ToString();
        Label1.Text += "<br />Modified DateTime[after added 24 hours TimeSpan]: " + modifiedDateTime.ToString();
    }
</script>

<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
    <title>asp.net date time example: how to create a time span (TimeSpan) in asp.net</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <h2 style="color:Teal">asp.net date time example: Create TimeSpan</h2>
        <asp:Label 
             ID="Label1" 
             runat="server" 
             >
        </asp:Label>
        <br /><br />
        <asp:Button 
             ID="Button1" 
             runat="server" 
             OnClick="Button1_Click"
             />   
    </div>
    </form>
</body>
</html>
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