Coding for Page Source :
<html>
<head runat="server">
<title>Example of Gridview Auto Refresh</title>
</head>
<body>
<form id="form1" runat="server">
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<div style="text-align: center">
<asp:UpdatePanel ID="updateGrid" runat="server" UpdateMode="Conditional"
RenderMode="Inline">
<ContentTemplate>
<asp:GridView ID="gridAutoUpdate" runat="server" AutoGenerateColumns="False" >
<Columns>
<asp:BoundField DataField="Temp" HeaderText="Temp" SortExpression="Temp" />
<asp:BoundField DataField="TempValue" HeaderText="TempValue"
SortExpression="TempValue" />
</Columns>
</asp:GridView>
<asp:Button ID="buttonUpdate" runat="server" OnClick="buttonUpdate_Click" />
</ContentTemplate>
</asp:UpdatePanel>
<script type="text/javascript" language="javascript">
Sys.WebForms.PageRequestManager.getInstance().add_pageLoaded(delayUpdateClick);
function delayUpdateClick(sender, args) {
button = $get("<%= buttonUpdate.ClientID %>");
setTimeout(function() { button.click(); }, 1000);
}
</script>
</div>
</form>
</body>
</html>
Coding For Class Page :
protected void buttonUpdate_Click(object sender, EventArgs e)
{
FillGrid(); }
private void FillGrid()
{
string sql = "select * from temp";
DataTable ds = new DataTable();
ds = fun.GetDataTable(sql, lbl);
gridAutoUpdate.DataSource = ds ;
gridAutoUpdate.DataBind();
}
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