Datetime difference in seconds
DateTime Difference:
Time difference refer to difference between two time stamp.
some time we want to this for display time on the web page for example online
Exam web site take this type of requirement or when user need to count login
time and logout time and then calculate the time difference in which the
visitor was open the web site.
Define Date time object in to asp.net
DateTime now = DateTime.Now;
DateTime is a class and now is the object of this class.
How to Add Minutes in datetime variable
For this we use fallowing method.
AddMinutes(<give the minutes here>);
How to get timestamp:
TimeSpan ts = dateAfter5Minutes – now;
Here TimeSpan is type of class and ts is the object
of this class.
Example of difference in seconds:
In this Example we get the current time and add 5 munities
in the current time and then display in an asp.net label control.
Code in asp.net :
<%@ Page
Language="C#"
AutoEventWireup="true"
CodeFile="Default2.aspx.cs"
Inherits="Default2"
%>
<!DOCTYPE html>
<script runat="server">
protected void
Button1_Click(object sender, System.EventArgs e)
{
DateTime now = DateTime.Now;
Label1.Text = "now : " +
now.ToString();
DateTime dateAfter5Minutes = now.AddMinutes(5);
TimeSpan ts = dateAfter5Minutes - now;
int seconds = (int)ts.TotalSeconds;
Label1.Text += "<br ><br
/>after ten minutes: ";
Label1.Text +=
dateAfter5Minutes.ToString();
Label1.Text += "<br ><br
/>difference after adding into datetime object : ";
Label1.Text += seconds;
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title> difference in seconds</title>
</head>
<body>
<form id="form2" runat="server">
<div>
<h2 style="color: MidnightBlue; font-style: italic;">
datetime difference Example in asp.net Programming</h2>
<asp:Label ID="Label1" runat="server"
Font-Size="Large"
Font-Names="Comic
Sans MS">
</asp:Label>
<br />
<br />
<asp:Button ID="Button1"
runat="server"
Text="get current
datetime"
OnClick="Button1_Click"
Height="40"
Font-Bold="true"
/>
</div>
</form>
</body>
</html>
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