I have encountered a serious issue in asp.net which is stopping me going further.
The issue is due to server side timer control. The following is the scenario,
When main page loads , timer will start automatically and it should keep run throughout the application. My page contains Infragistics controls.
<body>
<form id="form1" runat="server">
<div>
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<asp:UpdatePanel ID="UpdatePanel1" runat="server" onload="UpdatePanel1_Load">
<ContentTemplate>
<asp:Timer ID="Timer1" runat="server" Enabled="true" Interval="10000" />
</ContentTemplate>
</asp:UpdatePanel>
<ig:WebDataMenu ID="WebDataMenu1" runat="server" OnItemClick="wdmenu_Context_ItemClick">
<Items>
<ig:DataMenuItem Key="0" Text="Add" >
</ig:DataMenuItem>
<ig:DataMenuItem Key="1" Text="Edit">
</ig:DataMenuItem>
</Items>
<ClientEvents ItemClick="wdmenu_Context_ItemClick" />
</ig:WebDataMenu>
</div>
</form>
</body>
If i open model dialog and after 2 to 3 sec , i am closing the model dialog... the wdmenu_Context_ItemClick server side event (which is for opening model dialog ) is firing two times...
Also on click of that button , i am opening model dialog using java script which is shown below
<head runat="server">
<title>Untitled Page</title>
<script language="javascript" type="text/javascript">
function wdmenu_Context_ItemClick(sender, eventArgs)
{
var win = window.showModalDialog("Default2.aspx", "Dialog", 'center:yes;resizable:no;dialogHeight:500px;dialogwidth:660px');
}
</script>
</head>
Please help me regarding this....
Related
I use ASP.NET to develop.
Here, I want the thing is that once I click button A (the text on the button A is "Start"), then the text on the button A will change to "processing...please wait" and button A will become not clickable. Then execute the stored procedure(the duration of stored procedure is 1 minute). After the stored procedure finishes, the text on the button A will change to "Start" and button A will become clickable.
I tried that before stored procedure, I added these codes:
ButtonA.Text = "processing...please wait";
ButtonA.Enabled = false;
And after stored procedure, I added these codes:
ButtonA.Text = "Start";
ButtonA.Enabled = true;
But the outcome is the text on the button A is not changed and button A is still clickable during the stored procedure is executing.
Can anyone tell me how to achieve what I want? Thanks.
Then I edit my aspx file to be below:
<asp:ScriptManager ID="MainScriptManager" runat="server"/>
<asp:UpdatePanel ID="pnlHelloWorld" runat="server" UpdateMode="Conditional" ChildrenAsTriggers="true">
<ContentTemplate>
<asp:Button ID="ButtonA" runat="server" OnClick="ButtonA_Click" Text="Start" />
</ContentTemplate>
<Triggers>
<asp:AsyncPostBackTrigger ControlID="ButtonA" EventName="Click"/>
</Triggers>
</asp:UpdatePanel>
But the text of button still remains the same and the button is still clickable.
You can achieve your requirement by using Ajax. Using Ajax you can do partial page refresh.
Put ButtonA inside the UpdatePanel, and it should work as expected.
You can refer below sample code for reference.
webpage.aspx code
<%# Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!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>Hello, world!</title>
</head>
<body>
<form id="form1" runat="server">
<asp:ScriptManager ID="MainScriptManager" runat="server" />
<asp:UpdatePanel ID="pnlHelloWorld" runat="server">
<ContentTemplate>
<asp:Button runat="server" ID="ButtonA" OnClick="btnHelloWorld_Click" Text="Update label!" />
</ContentTemplate>
</asp:UpdatePanel>
</form>
</body>
</html>
c# code
protected void btnHelloWorld_Click(object sender, EventArgs e)
{
//Before Procedure call
ButtonA.Text = "processing...please wait";
ButtonA.Enabled = false;
//Call Procedure
procedure ....
//After Prodedure call
ButtonA.Text = "Start";
ButtonA.Enabled = true;
}
Hope that helps, thanks.
I'm trying to have two things happen when I click on a button in an ASP.NET page:
Change the text in an ASP:Label.
Disable the button.
I've done a lot of research on this, but I've had difficulties doing either.
For #1, I thought that this should work, but it doesn't:
<%# Page Language="VB" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
Protected Sub BtnSubmit_Click(sender As Object, e As System.EventArgs)
Label1.Text = "Working..."
System.Threading.Thread.Sleep(5000)
Label1.Text = "Done."
End Sub
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Test Page</title>
</head>
<body>
<form id="form1" runat="server">
<ajaxToolkit:ToolkitScriptManager runat="server" />
<div>
<asp:ListBox runat="server" Height="100px" />
<br />
<asp:UpdatePanel runat="server">
<Triggers>
<asp:AsyncPostBackTrigger ControlID="BtnSubmit" EventName="Click" />
</Triggers>
<ContentTemplate>
<asp:Label ID="Label1" runat="server" Text="Press the button" />
</ContentTemplate>
</asp:UpdatePanel>
<br />
<asp:Button runat="server" ID="BtnSubmit" OnClick="BtnSubmit_Click" Text="Submit Me!" />
</div>
</form>
</body>
</html>
The "Working..." message is never displayed.
As for #2, I added this to the button (I forget where I found it):
OnClientClick="this.disabled = true; this.value = 'Working...';"
UseSubmitBehavior="false"
That had the desired effect of disabling the button and changing its text (value), but it wasn't possible to change it back using Text and Enabled properties.
I just found a solution on msdn (http://msdn.microsoft.com/en-us/library/bb386518.aspx). Added some code and remove some unnecessary parts.
<%# Page Language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
protected void btnDoWork_Click(object sender, EventArgs e)
{
/// do something long lasting
System.Threading.Thread.Sleep(3000);
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:ScriptManager ID="ScriptManager1" runat="server" />
<script language="javascript" type="text/javascript">
<!--
var prm = Sys.WebForms.PageRequestManager.getInstance();
prm.add_initializeRequest(InitializeRequest);
prm.add_endRequest(EndRequest);
var postBackElement;
function InitializeRequest(sender, args) {
if (prm.get_isInAsyncPostBack()) {
args.set_cancel(true);
}
postBackElement = args.get_postBackElement();
if (postBackElement.id == 'btnDoWork') {
$get('btnDoWork').value = 'Working ...';
$get('btnDoWork').disabled = true;
}
}
function EndRequest(sender, args) {
if (postBackElement.id == 'btnDoWork') {
$get('btnDoWork').value = 'Done!';
$get('btnDoWork').disabled = false;
}
}
// -->
</script>
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<asp:Label ID="Label1" runat="server" Text="Hello World!"></asp:Label><br />
</ContentTemplate>
<Triggers>
<asp:AsyncPostBackTrigger ControlID="btnDoWork" />
</Triggers>
</asp:UpdatePanel>
<asp:Button ID="btnDoWork" runat="server" Text="Start!" OnClick="btnDoWork_Click" />
</div>
</form>
</body>
</html>
What you basically do, is you register some eventHandler for Initialize_ and End_Request - in those you disable and enable your button!
HTH
ASP will not flush the result to the browser while working even if you use an UpdatePanel. It will finish the jobb (including the sleep) before flushing.
You can use a UpdateProgress to show the "Working.." text.
<asp:UpdateProgress>
This will show its content while the UpdatePanel is working. Once the UpdatePanel is finished, the content will disappear.
What you need in you ClickEvent is:
Label1.Text = "Done."
btnSubmit.Enabled = false
This will show the Done text and disable the button. And tell the UpdateProgress to disappear.
The Working message is never displayed because you are executing the script on the server, which doesn't respond to the client until the method exits.
ASP.NET AJAX has a built in control for displaying messages like this while the UpdatePanel is waiting on the server.
Check out the UpdateProgress Control:
<asp:UpdateProgress runat="server" id="progress" ><ProgressTemplate>Working...</ProgressTemplate></asp:UpdateProgress>
You can disable the button by setting the Enabled property to false in your server-side method.
BtnSubmit.Enabled = false
#1: You will never see the message "Working" as you stopped the thread .... Every Message will be shown when your process has "ended".
#2: you coded clientSide to disable the button, there is no code to re-enable your button
hth
First off, "working" never appears because the final value of the label at the time of post-back is "Done." Think about what is happening here - you click the button which causes a post-back to the server. It processes the post-back which includes running the button click code, the result of which is then sent back to the browser. Your 'working' text never makes it back over the wire.
I am not clear on what you're trying to accomplish with the client-side code, but to do what you describe you're almsot there server-side:
Protected Sub BtnSubmit_Click(sender As Object, e As System.EventArgs)
Label1.Text = "Done."
btnSubmit.Enabled = false
End Sub
Also, but your button inside your update panel template tags so it participates in the ajax-postback.
I have a master page "PartialUpdate.Master" and 2 simple content pages "WebForm1.aspx" and "WebForm2.aspx"
WebForm1.aspx/WebForm2.aspx: the content-pages just display their filename
The master page "PartialUpdate.Master" has 2 buttons and a ContentPlaceHolder
in an UpdatePanel. When clicking on a button I want to see the corresponding content-page
Here's what it looks like...
PartialUpdate.Master :
<body>
<form id="form1" runat="server">
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<div>
Master Page
<asp:UpdatePanel ID="UpdatePanel1" UpdateMode="Conditional"
runat="server">
<ContentTemplate>
<asp:Button ID="btnForm1" CommandArgument="WebForm1.aspx"
runat="server" Text="Form1" OnClick="ChangeForm_Click" />
<asp:Button ID="btnForm2" CommandArgument="WebForm2.aspx"
runat="server" Text="Form2"
OnClick="ChangeForm_Click" />
<hr />
<asp:ContentPlaceHolder ID="ContentPlaceHolder1" runat="server">
</asp:ContentPlaceHolder>
</ContentTemplate>
<Triggers>
<asp:AsyncPostBackTrigger ControlID="btnForm1"
EventName="Click" />
<asp:AsyncPostBackTrigger ControlID="btnForm2"
EventName="Click" />
</Triggers>
</asp:UpdatePanel>
</div>
</form>
</body>
The code behind of PartialUpdate.Master.cs
protected void ChangeForm_Click(object sender, EventArgs e)
{
Button btn = sender as Button;
Response.Redirect(btn.CommandArgument);
}
Problem here is that Response.Redirect() triggers a full-page postback.
I just want the Master to refresh the content located in the 'ContentPlaceHolder' asynchronously (that's why I added the AJAX UpdatePanel)
In other words, I'd like to dynamically change the content-page that the Master is displaying whitout causing a full-page postback.
Is this possible? If so how?
thank you
Chris
You can call with WebRequest in ajax call and write the content you recieve to the page...
But you can`t "knowing" the browser that you want to redirect to another page without post back.
Ok so this is a snippet of my aspx file, I am trying to call a "hello world" function from the 'test.js' file. This is obviously not working, could someone please recommend me a good way of doing it?
<asp:ScriptManager ID="ScriptManager1" runat="server">
<Scripts>
<asp:ScriptReference Path="\App_JavaScript\test.js" />
</Scripts>
</asp:ScriptManager>
<asp:Button ID="timebutton" runat="server" Text="clickme" OnClick="javascript:getData();" /><br />
OnClientClick
<asp:Button ID="timebutton" runat="server" Text="clickme" OnClientClick="javascript:getData();" />
Use jQuery to assign the function to the click event of the button.
<script type="text/javascript" src="\App_JavaScript\test.js"></script>
<script type="text/javascript" src="jQuery.js"></script>
<script>
$(document).ready(function(){
$('#timeButton').click(getData);
//Use below instead if you are using Master Pages
//$('#<%= timeButton.ClientID %>').click(getData);
});
</script>
<asp:Button ID="timebutton" runat="server" Text="clickme" />
If you need a postback to occur you can also use ScriptManager.RegisterClientScriptBlock
I need help in how to set webform control proprieties in asp.net and ajax control using javascript.
I have asp page that has checkBox, TextBox, MaskedEditExtender, and RegularExpressionValidator.
I set the mask for MaskedEditExtender as Mask="(999)999-9999" and I set the ValidationExpression for RegularExpressionValidator as ValidationExpression="\d{10}".
I want to change these two properties when user checked the international checkbox to: Mask="999999999999" and as ValidationExpression="\d{12}"
Using JavaScript without interrupting with server side and when the user unchecked they get previous value so the interaction should be only in the client side.
Please help me with this and here is my code:
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Untitled Page</title>
<script type="text/javascript">
function pageLoad() {
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:ScriptManager ID="ScriptManager1" runat="server" />
<asp:CheckBox ID="chkIntphoneHome" runat="server" Text="Internation Code"
AutoPostBack="false"/>
<asp:TextBox ID="txtHomePhone" runat="server"></asp:TextBox>
<cc1:MaskedEditExtender ID="txtHomePhone_MaskedEditExtender" runat="server"
AutoComplete="False" CultureAMPMPlaceholder=""
CultureCurrencySymbolPlaceholder="" CultureDateFormat=""
CultureDatePlaceholder="" CultureDecimalPlaceholder=""
CultureThousandsPlaceholder="" CultureTimePlaceholder="" Enabled="True"
Mask="(999)999-9999" TargetControlID="txtHomePhone">
</cc1:MaskedEditExtender>
<asp:RegularExpressionValidator ID="RegularExpressionValidator1" runat="server"
ErrorMessage="RegularExpressionValidator" ControlToValidate="txtHomePhone"
ValidationExpression="\d{10}"></asp:RegularExpressionValidator>
</div>
</form>
</body>
</html>
Instead of meddling with the maskEditor/validator controls' client-side behaviour, are you OK with having 2 sets of textbox+maskExtender+validator?
Set 1 = texbox_HomePhone + maskEditExtender_HomePhone + regexValidator_HomePhone
Set 2 = texbox_IntHomePhone + maskEditExtender_IntHomePhone + regexValidator_IntHomePhone
Using the checkbox to toggle (via javascript) the display/hidding of either set.