Bind ASP.Net GridView Row one by one periodically at regular intervals using C#

Hi alhamd,

Refer below sample.

HTML

<asp:ScriptManager runat="server" />
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
    <ContentTemplate>
        <asp:Label ID="lblTime" runat="server" />
        <br />
        <br />
        <asp:GridView ID="GridView1" runat="server">
        </asp:GridView>
        <asp:Timer ID="Timer1" runat="server" OnTick="TimerTick" Interval="1000" />
    </ContentTemplate>
</asp:UpdatePanel>

Namespaces

using System.Data;

Code

protected void Page_Load(object sender, EventArgs e)
{
    if (!this.IsPostBack)
    {
        this.BindData();
    }
}

private void BindData()
{
    lblTime.Text = "Last Refreshed: " + DateTime.Now.ToString();
    DataTable dt = GetData();
    DataTable dtFinal = dt.Clone();
    dtFinal.Rows.Add(dt.Rows[i].ItemArray);
    GridView1.DataSource = dtFinal;
    GridView1.DataBind();
}

protected void TimerTick(object sender, EventArgs e)
{
    this.BindData();
    if (this.GetData().Rows.Count - 1 == i)
    {
        i = 0;
    }
    else
    {
        i++;
    }
}
public static int i = 0;
private DataTable GetData()
{
    DataTable dt = new DataTable();
    dt.Columns.Add("ID");
    dt.Columns.Add("No");
    dt.Columns.Add("Name");
    dt.Columns.Add("Is_Active");
    dt.Rows.Add(1, 123, "ABC", "TRUE");
    dt.Rows.Add(2, 234, "SKY", "TRUE");
    dt.Rows.Add(3, 456, "XYZ", "TRUE");
    dt.Rows.Add(4, 567, "PQR", "FALSE");

    return dt;
}

Screenshot