AJAX :: Why Doesn't UpdatePanel Work In Asp.net 2.0 Web Site Template
Feb 15, 2010
I'm just getting into AJAX (little late I know) and am walking through some of the tutorials on the ASP.NET/AJAX site. One thing I've noticed is that I cannot get the UpdatePanel to work (meaning, prevent a full postback of the page) in the ASP.NET Web Site template. I can use the EXACT same markup, code, and web.config in the AJAX 1.0-Enabled ASP.NET 2.0 template and everything works as expected.
Markup:
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Jan 25, 2011
i followed this tut http://www.ajaxprojects.com/ajax/tutorialdetails.php?itemid=554 for cascading drop downs, but i changed the sql connections for my linq datasource. VS2010 is showing no errors in my code and the page loads fine too, but the two drop down lists are emptycan anyone scan there eyes over it and see if theres any reason why it shouldnt be working?my code is the same as the tuts apart from it uses LINQ instead of SQL
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May 10, 2010
I have a very simple AJAX example that doesn't work.It is from the Microsoft tutorials on AJAX.
When I click on button "Button1" AJAX should execute but the whole page submits.
Here is the code:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="1111.aspx.cs" Inherits="_1111" %>
<%@ Register Assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" Namespace="System.Web.UI" 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></title>
</head>
<body>
<form id="form1" runat="server">
<p>
DropDownList AutoPostBack SelectedIndexChanged EventArgs Sort ... Since you will be using AJAX to process your SelectedIndexChanged event, set the AutoPostBack property of the DropDownList to false. ...
</p>
<div>
<asp:ScriptManager ID="ScriptManager1" runat="server" EnablePartialRendering="true">
</asp:ScriptManager>
<asp:Label ID="label2" runat="server"></asp:Label><br />
<asp:Label ID="label3" runat="server"></asp:Label><br />
<center>
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<asp:Label ID="label1" runat="server"></asp:Label>
<asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Button 1" />
</ContentTemplate>
<Triggers>
<asp:AsyncPostBackTrigger ControlID="Button1" EventName="Click" />
</Triggers>
</asp:UpdatePanel>
</center>
</div>
</form>
</body>
</html>
Code-behind:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class _1111 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
label1.Text = System.DateTime.Now.ToString();
label2.Text = System.DateTime.Now.ToString();
label3.Text = System.DateTime.Now.ToString();
}
protected void Button1_Click(object sender, EventArgs e)
{
label1.Text = System.DateTime.Now.ToString();
}
}
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Dec 27, 2010
i havent uninstalled Visual studio 2010 .... for some requirements i had to repair my visual studio 2010 installation... now after repairing or reinstalling (not uninstalling and then installing, i reinstalled from the visual studio installation options) the visual studio 2010 i noticed that the asp.net Mvc template has vanished ... i tried to repair/ reinstall again but somehow it doesnt come up ... the template is not reflected into the visual studio new projects menu... as a result i am not able to load any of the mvc projects either ....
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Apr 1, 2010
Last year we created an application that creates folders for the records on our network drive. Everything worked til the new year.. then we had to update the code to create a new parent folder for the year, since then every other month it seems that the month folder gets created, but the individual folders under that month do not.
[Code]....
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Nov 15, 2010
After a long process of configuring IIS inhttp://forums.asp.net/t/1622627.aspx ...In iis project the jquery doesnt work ...but when i run the same in vs2010...it works
<
script
type="text/javascript">
[code]...
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Nov 19, 2010
In my local enviroment it just works. Iam no IIS Admin so ....
i try the following
My domain "http://mysite.com/" goes to my url provided by my hosting service (discountasp.net)
I want that this url goes to the root/mysite/ virtual directory but i want that the url stays on "http://mysite.com/". So i defined the following rule, but it doesnt work for me.
here is my web.config that is placed in the root directory (generated by the IIS7 Remote Administration UI)
<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<system.webServer>[code]....
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Mar 20, 2010
i have a link and iframe wich his id is set to "iframe3" ...
now in the link target i set the target to "iframe3"
now it suppose to open it in the iframe3 , but instead it opens it in a new window ...
this is the code :[Code]....
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Mar 5, 2010
The following two controls on my page:
<asp:LinkButton ID="OpenLB" runat="server" >Open</asp:LinkButton>
<asp:HyperLink ID="OpenHL" runat="server">Open</asp:HyperLink>
I set them during page load like this:
OpenLB.PostBackUrl = @"file:\webdocuments-emailsdoc1.docx";
OpenHL.NavigateUrl = @"file:\webdocuments-emailsdoc1.docx";
OpenHL works, it opens the word file.OpenLB doesnt work, when I click on it, I get a error pop-up that says:
Windows Internet Explorer Cannot find
file
'file://web//documents-emails//doc1.docx'.
Make sure the path or Internet address
is correct.
It looks like the url is different or something, how can I fix this?
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Jun 17, 2010
Just getting started
I upgrade to VWD2010, installed the Ajax ToolKit.
All of the Ajax videos indicate in VWD2010, I'll get a template called AJAX Enabled Web site. I don't have this template in my VWD2010. Is there a way to get the AJAX Enabled Web Site Template in VWD2010?
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Sep 3, 2010
I am very new to WCF, I have read a lot and seen several presentations about it. I can get the basicHttp endpoint to work on my server but when i wanted to use https, I found that that endpoint binding doesnt work. I think through my research that the wsHttp binding is what i need. I can get the client to work but the service gives me a few different errors when I try to call the ssl endpoint.
Currently i get the following error:
The requested service, 'https://devwcftestsite.crata.ucf.edu/services/Person.svc/Person' could not be activated. See the server's diagnostic trace logs for more information.
Below I have included the web.config for my service project which is hosted at:https://devwcftestsite.crata.ucf.edu/services the service is called:Person.svc
[Code]....
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Jan 3, 2011
If i split the statements up they work fine individually.But what im trying to accomplish is to pass in the column name that i want to select from my table.. ill pass it from the page as well as 1 other parameter.
I was looking and found some queries that will return the column name from the table but figured this may work.when i execute this,it returns the actual value in my SET @column line.so in the below code if i run it, it will just return the value "VideoLevel"
BUT if i change it to the example below that,it works..
[Code]...
[Code]...
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Apr 2, 2011
I have an itemtemplate field in a gridview which performs some manual deletions.
I cannot seem to get the code in the rowcommand for this button to update the panel in which the grid resides.
<asp:TemplateField HeaderText="" SortExpression="colFullName">
<ItemTemplate>
<asp:Button ID="btnDelete" runat="server" CommandArgument='<%# Bind("colID") %>' [code]....
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Dec 15, 2010
I would like to install my asp .net site on a free host. what do I need to install in order that the mschart control will work on the host.
what are the basic requirements.
at the moment I get an error about it.
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Jun 9, 2010
[Code]....
I have tryed this sorting code here in first post http://forums.asp.net/t/956540.aspx but it doesnt work. any tips?
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Feb 2, 2011
i'm trying to select/unselect aspxtreelist nodes that meet the criteria.when user click a row and it fires an event which handled by server side eventhandler.When i debug the code everthing ok.selection works but on the browser side selection remains same as before eventrised.
protected void grid_FocusedRowChanged(object sender, EventArgs e)
{
menutree.UnselectAll();
[code]...
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Jan 21, 2010
After button click i would like to redirect to other site but without blink. Is it possible with updatepanel?
This is my main page:
[Code]....
Redirect:
[Code]....
on other page i have only label with text.
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Mar 16, 2010
I have read several post on the TreeView is not/partly working with the UpdatePanel, but none of them mention that an update (triggered by a timer) causes creation of multiple javascript functions in the HTML header. In Mozilla Firefox this a memory leak. I have created a test webapplication to demonstrate the issue we encounter.
[Code]....
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Jan 17, 2010
i have Accordion out side update panel ,
i want to add button as trigger of UpdatePanel where that Button inside Accordion,
i have tried this solution but its not give me any error but its dont update my udpanel, and when i have added it at design , it will give me error at runtime.
protected
void Page_Load(object sender,
EventArgs e) {
AsyncPostBackTrigger trigger =
new AsyncPostBackTrigger();
Button mybtn=Accordion1.FindControl("Mybtn") as Button;
trigger.ControlID =mybtn.ID;
trigger.EvernName="Click";
upUpdatePanel.Triggers.Add(trigger);
}
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May 28, 2010
I have two sliderextenders in a page, and one of them is in an UpdatePanel.When I slide the first one it set the minimum value and the number of steps of the second one (in the control panel) and it seems to work well.But if I slide the second one, as soon as I release the mouse button, my two sliders don't work anymore. I have to click them to change the value but can't slide them.
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Oct 19, 2010
i have update-panel which works fine in Google chrome, Mozilla, but not in IE(6,7 and 8). when i click refresh button postback is happening.
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Mar 10, 2010
I got a view that uses the ajax.beginform tag.This works great but if I want to do some validation to the data and then return a error message to the page it doesnt work for me.Here my code :
[Code]....
And the actionResult :
[Code]....
[Code]....
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Jan 1, 2010
this is the code
<%
@
Page
Language="VB"
AutoEventWireup="false"
CodeFile="Default.aspx.vb"
Inherits="_Default" %>
[Code]....
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Jul 29, 2010
I have Master Page with 2 ContentPlaceHolds , called "left" and "right"
[Code]....
I have a page override 2 ContentPlaceHolds of Master Page
In this page, i have 2 WebUserControls called WUCLeft is put into "left" and WUCRight put into "right"
[Code]....
WUCLeft has a button to load WUCRight into "right" ContentPlaceHold
[Code]....
[Code]....
WUCRight has one TextBox, one Button and one Label, when I click Button, the text of TextBox is assigned to Label
[Code]....
[Code]....
The problem occurs after I press Button on "left" ContentPlaceHold to load WUCRight.
In the first, I click on Button on "right" ContentPlaceHold, nothing happens (the Text of TextBox is not assigned to Label). In the second, i click on Button, page is submitted and all control in "right" ContentPlaceHole are cleared.
What did i do something wrong?
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Aug 27, 2010
I am trying to add validation on my form. I am using AJAX controls in my form fields.
When I remove the Update panel and AJAX control, my validation starts working, but when keeping both the things together, my validation is not working. How could I make them work together?
<script type="text/javascript">
function Validate() {
var QuestionTextArea = document.getElementById("ctl00_ctl00_cphBody_midbox_fvInsert_txtQuestion");
varError = "";
if (!IsTextBoxEmpty(QuestionTextArea, "
Question Text Area not be Empty.")) {
alert(varError);
document.getElementById("ctl00_ctl00_cphBody_midbox_fvInsert_txtQuestion").focus();
return false;
} return true;
}
</script>
<asp:UpdatePanel ID="UpdatePanel2" runat="server">
<ContentTemplate>
<asp:TextBox ID="txtQuestion" runat="server" MaxLength="1000" Columns="50" Rows="5" Style="width: 380px;
float: none" Text='<%# Bind("Description") %>' TextMode="MultiLine" />
<AjaxControl:TextBoxWatermarkExtender runat="server" TargetControlID="txtQuestion"
WatermarkCssClass="water" WatermarkText="Type your Question Here.">
</AjaxControl:TextBoxWatermarkExtender>
</ContentTemplate>
</asp:UpdatePanel>
When I removes ajax extender and Update Panel. My textbox gets validated and when using UpdatePanel. No javascript function created by me is called.
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