How to display good POPUP Window in ASP.Net using Ajax?
Most of the ASP.Net application requires showing some POPUP window to user for showing some messages or information. Also in order to create a ToolTips in ASP.Net/C# web application it’s very difficult to achieve for good looking ToolTip. In the newest Ajax Control Toolkit includes an awesome good looking and more functional popup extender called Balloon POPUP Extender. It’s a very light weight and having good look and feel popup, also we can apply custom styles for POPUP. Balloon POPUP Extender can use as ToolTips in ASP.Net application.
Download and Register New AjaxControl Toolkit
For implementing Balloon POPUP Extender in ASP.Net/C# application, we need to download newest Ajax Control Toolkit and register to the Project references. You can download new Ajax Control Toolkit from this link. Right click the ‘References’ under the ASP.Net project from Visual Studio and browse the dll and press OK.
In the ASPX page we need to register this ajax toolkit dll like below mentioned code.
<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="ajax" %>
How to implement Balloon POPUP Extender in ASP.Net/C# Application?
After adding and register the Ajax Control Toolkit as mentioned above, we can start to implement the Balloon POPUP Extender. We can implement Balloon POPUP Extender while clicking/on mouse over/on focus of any server controls in ASP.Net. Below mentioned is the codes for implementing the same.
<ajax:BalloonPopupExtender ID="PopupControlExtender2" runat="server" TargetControlID="txtUserName" BalloonPopupControlID="pnlBalloon" Position="BottomRight" BalloonStyle="Cloud" BalloonSize="Medium" UseShadow="true" ScrollBars="Auto" DisplayOnMouseOver="true" DisplayOnFocus="false" DisplayOnClick="true" />
There are some properties are available for Balloon POPUP Extender control and we can adjust the size,color,style and controls of POPUP using these properties. Below are the main properties of Balloon POPUP Extender
TargetControlID – The ID of the control to attach to.
BalloonPopupControlID – The ID of the control to display.
Position – Optional setting specifying where the popup should be positioned relative to the target control. (TopRight, TopLeft, BottomRight, BottomLeft, Auto) Default value is Auto.
OffsetX/OffsetY – The number of pixels to offset the Popup from its default position, as specified by Position. Default value is 0.
BalloonStyle – Optional setting specifying the theme of balloon popup. (Cloud, Rectangle, Custom). Default value is Rectangle.
BalloonSize – Optional setting specifying the size of balloon popup. (Small, Medium and Large). Default value is Small.
CustomCssUrl – This is required if user choose BalloonStyle to Custom. This specifies the url of custom css which will display custom theme.
CustomClassName – This is required if user choose BalloonStyle to Custom. This specifies the name of the css class for the custom theme.
UseShadow – Optional setting specifying whether to display shadow of balloon popup or not.
ScrollBars – Optional setting specifying whether to display scrollbar if contents are overflowing. This property contains 5 options – None, Horizontal, Vertical, Both and Auto. Default value is Auto.
DisplayOnMouseOver – Optional setting specifying whether to display balloon popup on the client onMouseOver event. Default value is false.
DisplayOnFocus – Optional setting specifying whether to display balloon popup on the client onFocus event. Default value is false.
DisplayOnClick – Optional setting specifying whether to display balloon popup on the client onClick event. Default value is true.
Animations – Generic animations for the PopupControlExtender.
OnShow – The OnShow animation will be played each time the popup is displayed. The popup will be positioned correctly but hidden. The animation can use <HideAction Visible=”true” /> to display the popup along with any other visual effects.
OnHide – The OnHide animation will be played each time the popup is hidden.
A very simple example for Balloon POPUP Extender in ASP.Net/C# using Ajax
Here we are demonstrating a very simple for implementing Ajax Balloon POPUP Extender with full downloadable source code.
ASPX Page
<%@ Page Title="Home Page" Language="C#" MasterPageFile="~/Site.master"
AutoEventWireup="true"
CodeBehind="Default.aspx.cs" Inherits="BaloonPopup._Default" %>
<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit"
TagPrefix="ajax" %>
<asp:Content ID="HeaderContent" runat="server"
ContentPlaceHolderID="HeadContent">
</asp:Content>
<asp:Content ID="BodyContent" runat="server"
ContentPlaceHolderID="MainContent">
<h2>
Welcome to Baloon Popup Extender Sample
</h2>
<p>
For Website/WebApplication creation <a href="http://www.tuvian.com"
title="aps.net">www.tuvian.com</a>.
</p>
<div>
<ajax:ToolkitScriptManager ID="Scriptmanager1" runat="server">
</ajax:ToolkitScriptManager>
<div style="border: 1px solid gray; padding: 10px; margin: 10px;">
<h3>
Cloud Style Baloon Popup Example</h3>
<br />
<br />
<ajax:BalloonPopupExtender ID="PopupControlExtender2" runat="server"
TargetControlID="txtUserName"
BalloonPopupControlID="pnlBalloon" Position="BottomRight" BalloonStyle="Cloud"
BalloonSize="Medium" UseShadow="true" ScrollBars="Auto" DisplayOnMouseOver="true"
DisplayOnFocus="false" DisplayOnClick="true" />
UserName :
<asp:TextBox runat="server" ID="txtUserName" />
<asp:Panel runat="server" ID="pnlBalloon">
This is the Cloud Style Ballon Popup</asp:Panel>
</div>
<div style="border: 1px solid gray; padding: 10px; margin: 10px;">
<h3>
Rectangular Baloon Popup Example</h3>
<br />
<br />
<ajax:BalloonPopupExtender ID="Balloonpopupextender1" runat="server"
TargetControlID="lblShow"
BalloonPopupControlID="pnlRectangularBallon" Position="TopRight"
BalloonStyle="Rectangle"
BalloonSize="Medium" UseShadow="true" ScrollBars="Auto"
DisplayOnMouseOver="false"
DisplayOnFocus="false" DisplayOnClick="true" />
<asp:Label runat="server" ID="lblShow"
Text="Click Here to Show the Rectangular Balloon Popup" />
<asp:Panel runat="server" ID="pnlRectangularBallon">
This is the rectangular ballon popup</asp:Panel>
</div>
<div style="border: 1px solid gray; padding: 10px; margin: 10px;">
<h3>
Custom Style Baloon Popup Example</h3>
<br />
<br />
<ajax:BalloonPopupExtender ID="Balloonpopupextender2" runat="server"
TargetControlID="txtCustomBallonPopup"
BalloonPopupControlID="pnlCustomBallon" Position="BottomRight"
BalloonStyle="Custom"
BalloonSize="Medium" UseShadow="true" ScrollBars="Auto"
DisplayOnMouseOver="true"
CustomCssUrl="Styles/BalloonPopupOvalStyle.css"
CustomClassName="oval" DisplayOnFocus="false"
DisplayOnClick="true" />
<asp:TextBox runat="server" ID="txtCustomBallonPopup" />
<asp:Panel runat="server" ID="pnlCustomBallon">
This is the Custom Style ballon popup</asp:Panel>
</div>
</div>
</asp:Content>
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DOWNLOAD SOURCE CODE FOR BALLOON POPUP EXTENDER EXAMPLE
