How to check if a DateTime is between two given dates in C#

DateTime between

Example Output:

ASP.NET Code:


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

<!DOCTYPE html>

<script runat="server">
    public static bool Between(DateTime dateToCheck, DateTime startDate, DateTime endDate)
    {
        return (dateToCheck > startDate && dateToCheck < endDate);
    }    
    protected void Button1_Click(object sender, System.EventArgs e)
    {
        //initialize a datetime variable with today
        DateTime today = DateTime.Today;

        TimeSpan ts = new TimeSpan(1, 0, 0, 0);
        DateTime yesterday = today.Subtract(ts);
        DateTime nextday = today.AddDays(1);
        DateTime nextWeek = today.AddDays(7);
        
        Label1.Text = "Today : " + today.ToLongDateString();
        Label1.Text += "<br />Yesterday : " + yesterday.ToLongDateString();
        Label1.Text += "<br />Next Day : " + nextday.ToLongDateString();
        Label1.Text += "<br />Next Week : " + nextWeek.ToLongDateString();

        Label1.Text += "<br /><br />";
        Label1.Text += "Is today between yesterday and next day : ";
        Label1.Text += Between(today, yesterday, nextday);

        Label1.Text += "<br /><br />";
        Label1.Text += "Is yesterday between today and next week : ";
        Label1.Text += Between(yesterday, today, nextWeek);
    }
</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 between </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 between two dates"  
             />   
    </div>
    </form>
</body>
</html>

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

<!DOCTYPE html>

public static bool Between(DateTime dateToCheck, DateTime startDate, DateTime endDate)

{

return (dateToCheck > startDate && dateToCheck < endDate);

}

protected void Button1_Click(object sender, System.EventArgs e)

{

//initialize a datetime variable with today

DateTime today = DateTime.Today;

TimeSpan ts = new TimeSpan(1, 0, 0, 0);

DateTime yesterday = today.Subtract(ts);

DateTime nextday = today.AddDays(1);

DateTime nextWeek = today.AddDays(7);

Label1.Text = "Today : " + today.ToLongDateString();

Label1.Text += "<br />Yesterday : " + yesterday.ToLongDateString();

Label1.Text += "<br />Next Day : " + nextday.ToLongDateString();

Label1.Text += "<br />Next Week : " + nextWeek.ToLongDateString();

Label1.Text += "<br /><br />";

Label1.Text += "Is today between yesterday and next day : ";

Label1.Text += Between(today, yesterday, nextday);

Label1.Text += "<br /><br />";

Label1.Text += "Is yesterday between today and next week : ";

Label1.Text += Between(yesterday, today, nextWeek);

}

</script>

<title>code4example.com</title>

</head>

<body>

<br />

<h2>

asp.net date time example:<strong> datetime between </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 between two dates"

</div>

</form>

</body>

</html>

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