Determine DateTime before another date.
Example Output:

How to check if a DateTime is later than another date in C#
ASP.NET Code:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 | <%@ Page Language="C#" %> <!DOCTYPE html> <script runat="server"> public static bool Before(DateTime dateToCheck, DateTime dateToCompare) { return (dateToCheck < dateToCompare); } protected void Button1_Click(object sender, System.EventArgs e) { //initialize a datetime variable with today DateTime today = DateTime.Today; //create a timespan object TimeSpan ts = new TimeSpan(1, 0, 0, 0); DateTime yesterday = today.Subtract(ts); DateTime nextWeek = today.AddDays(7); Label1.Text = "Today : " + today.ToLongDateString(); Label1.Text += "<br />Yesterday : " + yesterday.ToLongDateString(); Label1.Text += "<br />Next Week : " + nextWeek.ToLongDateString(); Label1.Text += "<br /><br />"; Label1.Text += "Is yesterday before today? "; Label1.Text += Before(yesterday, today); Label1.Text += "<br /><br />"; Label1.Text += "Is nextweek before today? "; Label1.Text += Before(nextWeek, today); } </script> <html xmlns="http://www.w3.org/1999/xhtml"> <head id="Head1" runat="server"> <title>code4example.com</title> <link href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css" rel="stylesheet"> </head> <body> <br /> <form id="form1" runat="server"> <div class="container"> <div class="alert alert-primary" role="alert"> <h2> asp.net date time example:<strong> datetime before </strong> </h2> </div> <asp:Label ID="Label1" runat="server" CssClass="alert alert-success d-block" > </asp:Label> <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" CssClass="btn btn-danger btn-lg" Text="check datetime before another date" /> </div> </form> </body> </html> |