Post
Ask Question

Working with AJAX Update progress control



In this article I am explaining about how to show Ajax Update progress at center of grid view.

Aspx code

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>

<%@ Register Assembly="System.Web.Entity, Version=3.5.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"

    Namespace="System.Web.UI.WebControls" TagPrefix="asp" %>

<!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>Update Progress Sample</title>

 

    <script type="text/javascript">

        function onUpdating() {

            var updateProgressDiv = document.getElementById('upCustomer');

            var gridView = document.getElementById('gvUpdateProgress');

 

            var gridViewBounds = Sys.UI.DomElement.getBounds(gridView);

            var updateProgressDivBounds = Sys.UI.DomElement.getBounds(updateProgressDiv);

 

            var x = gridViewBounds.x + Math.round(gridViewBounds.width / 2) - Math.round(updateProgressDivBounds.width / 2);

            var y = gridViewBounds.y + Math.round(gridViewBounds.height / 2) - Math.round(updateProgressDivBounds.height / 2);

 

            Sys.UI.DomElement.setLocation(updateProgressDiv, x, y);  

        }         

    </script>  

</head>

<body>

    <form id="frmUpdateProgress" runat="server">

    <div>

        <asp:ScriptManager ID="ScriptManager1" runat="server">

        </asp:ScriptManager>

        <table border="0" cellpadding="0" cellspacing="0" width="100%">

            <tbody>

                <tr>

                    <td align="center" style="font-family: Calibri; background-color: #3366CC; color: #FFFFFF;

                        visibility: hidden; width: 100%">

                        UpdateProgress Sample

                    </td>

                </tr>

                <tr>

                    <td style="border: medium dotted Navy; font-family: Calibri; color: Purple; width: 100%;

                        border-color: Red; border-top-width: thick;">

                        <asp:UpdateProgress ID="upCustomer" AssociatedUpdatePanelID="upnlCustomer" runat="server">

                            <ProgressTemplate>

                                <div id="imgdivLoading" align="center" valign="middle" runat="server" style="border-style: dotted;

                                    padding: inherit; margin: auto; position: absolute; visibility: visible; vertical-align: middle;

                                    border-color: #000066 black black black; border-width: medium">

                                    <asp:Image ID="imgLoading" runat="server" ImageUrl="Images/loading.gif" Width="34px" />Loading...

                                </div>

                            </ProgressTemplate>

                        </asp:UpdateProgress>

                    </td>

                </tr>

                <tr>

                    <td>

                    </td>

                </tr>

                <tr>

                    <td>

                        &nbsp;

                    </td>

                </tr>

                <tr>

                    <td style="width: 100%">

                        <asp:UpdatePanel ID="upnlCustomer" runat="server">

                            <ContentTemplate>

                                <asp:GridView ID="gvUpdateProgress" runat="server" AutoGenerateColumns="False" DataKeyNames="CustomerID"

                                    AllowPaging="True" CellPadding="4" ForeColor="#333333" GridLines="None" Font-Names="Calibri"

                                    OnPageIndexChanging="gvUpdateProgress_PageIndexChanging" Width="100%" Caption="UpdateProgress Sample">

                                    <RowStyle BackColor="#EFF3FB" />

                                    <Columns>

                                        <asp:BoundField DataField="CustomerID" HeaderText="CustomerID" ReadOnly="True" SortExpression="CustomerID" />

                                        <asp:BoundField DataField="CompanyName" HeaderText="CompanyName" SortExpression="CompanyName" />

                                        <asp:BoundField DataField="ContactName" HeaderText="ContactName" SortExpression="ContactName" />

                                        <asp:BoundField DataField="City" HeaderText="City" SortExpression="City" />

                                        <asp:BoundField DataField="PostalCode" HeaderText="PostalCode" SortExpression="PostalCode" />

                                        <asp:BoundField DataField="Country" HeaderText="Country" SortExpression="Country" />

                                        <asp:BoundField DataField="Phone" HeaderText="Phone" SortExpression="Phone" />

                                    </Columns>

                                    <FooterStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" />

                                    <PagerStyle BackColor="#2461BF" BorderStyle="None" ForeColor="White" HorizontalAlign="Right"

                                        Height="15px" />

                                    <SelectedRowStyle BackColor="#D1DDF1" Font-Bold="True" ForeColor="#333333" />

                                    <HeaderStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" />

                                    <EditRowStyle BackColor="#2461BF" />

                                    <AlternatingRowStyle BackColor="White" />

                                </asp:GridView>

                            </ContentTemplate>

                        </asp:UpdatePanel>

                    </td>

                </tr>

            </tbody>

        </table>

    </div>

    </form>

</body>

</html>

C# code

using System;

using System.Collections.Generic;

using System.Linq;

using System.Data;

using System.Data.SqlClient;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

 

public partial class _Default : System.Web.UI.Page

{

    protected void Page_Load(object sender, EventArgs e)

    {

        gvUpdateProgress.Attributes.Add("onclick", " onUpdating();"); // ading java script to grid view.

        bindGrid();

    }

 

   
/// <summary>
/// Getting Customer table data from North wind database to bind gridview
/// </summary>
private void bindGrid()
{
SqlConnection conn = new SqlConnection("Trusted_Connection=yes;Addr=Localhost;Initial Catalog=Northwind");
SqlCommand cmdCustomer = new SqlCommand("SELECT [CustomerID],[CompanyName],[ContactName],[City],[PostalCode],[Country],[Phone] FROM Customers", conn);
SqlDataAdapter adptCustomer = new SqlDataAdapter(cmdCustomer);
DataSet dsCustomer = new DataSet();
adptCustomer.Fill(dsCustomer,"Customer");
gvUpdateProgress.DataSource = dsCustomer.Tables["Customer"].DefaultView;
gvUpdateProgress.DataBind();
}

/// <summary>

///

/// </summary>

/// <param name="sender"></param>

/// <param name="e"></param>

   

    protected void gvUpdateProgress_PageIndexChanging(object sender, GridViewPageEventArgs e)

    {

        System.Threading.Thread.Sleep(3000); // Loading image waiting period

        gvUpdateProgress.PageIndex = e.NewPageIndex;

        gvUpdateProgress.DataBind();

    }

}

Note:   I have used northwind database for this application. We can download northwind database from here :

http://code.msdn.microsoft.com/northwind/Release/ProjectReleases.aspx?ReleaseId=1401

This article is for single gridview controls. If we have more than one gridviews in your page we have to change javascript. If you have any concerns and comments please write to me.

Hope this example helps you.  Happy coding.


Similar Articles