In this example we explain that how to refresh a Grid
View automatically at regular intervals in asp.net.or refresh grid view after
every 5 second in asp.net using C#.
Here we use we use Timer control to achieve this
requirements. Simply we add the Grid view in the AJAX Update Panel control and
set the timer interval in which we have to refresh the grid view automatically.
Below the code that demonstrate auto refresh grid view
after specified interval in asp.net.
AutoRefreshGridview.aspx:
<%@
Page Language="C#" AutoEventWireup="true" CodeFile="AutoRefreshGridview.aspx.cs"
Inherits="AutoRefreshGridview"
%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>How to refresh an ASP.NET GridView automatically
at regular intervals</title>
</head>
<body>
<form
id="form1"
runat="server">
<asp:UpdatePanel ID="UpdatePanel1"
runat="server">
<ContentTemplate>
<asp:Timer ID="Timer1" runat="server" Interval="3600" OnTick="Timer1_Tick">
</asp:Timer>
<asp:GridView ID="grd_Employee" runat="server" AutoGenerateColumns="False" DataSourceID="SqlDataSource1"
AllowPaging="True" AllowSorting="True">
<Columns>
<asp:BoundField DataField="EmpID" HeaderText="EmpID" />
<asp:BoundField DataField="EmpName" HeaderText="EmpName" />
<asp:BoundField DataField="Salary" HeaderText="Salary" />
</Columns>
</asp:GridView>
</ContentTemplate>
</asp:UpdatePanel>
</form>
</body>
</html>
AutoRefreshGridview.aspx.cs:
using System;
using
System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using
System.Web.UI.WebControls;
public partial class AutoRefreshGridview : System.Web.UI.Page
{
protected void
Page_Load(object sender, EventArgs e)
{
}
protected void
Timer1_Tick(object sender, EventArgs e)
{
grd_Employee.DataBind();
}
}
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