I have an ajax panel (actually it' a Rad Ajax Panel - the behavior is similar to an Ajax Update Panel with everything in the ContentTemplate section and no Triggers), with an image button (asp:ImageButton) and a button (asp:Button).
I notice that they behave differently - the image button advances to postback (Page_Load and Button_Click server functions), when the button doesn't!
How can I achieve this behavior with the Button too? (Replacing the Button with an ImageButton solved the problem... Is there a way to maintain the Button and have the ImageButton's behavior?)
This is what my code looks like (two buttons, two click functions, and two client click functions):
<telerik:RadScriptManager ID="RadScriptManager1" runat="server">
</telerik:RadScriptManager>
<div style="width: 800px;">
<telerik:RadAjaxPanel ID="RadAjaxPanel1" runat="server" LoadingPanelID="RadAjaxLoadingPanel1">
<telerik:RadScriptBlock ID="RadScriptBlock1" runat="server">
<script type="text/javascript">
function validateSave() {
// ...
return true;
}
function validateAdd() {
// ...
return true;
}
</script>
</telerik:RadScriptBlock>
<asp:Panel ID="Panel1" runat="server" Visible="false">
<fieldset>
<legend>New item</legend>
<%--..........--%>
<asp:ImageButton ID="Button4" runat="server"
ImageUrl="~/App_Themes/ThemeDefault/images/add.gif"
OnClientClick="return validateAdd();"
OnClick="Button4_Click" />
</fieldset>
<%--..........--%>
<asp:Button ID="Button2" runat="server"
OnClientClick="return validateSave();"
Text="Save" ToolTip="Save" OnClick="Button2_Click" />
</asp:Panel>
</telerik:RadAjaxPanel>
<telerik:RadAjaxLoadingPanel ID="RadAjaxLoadingPanel1" runat="server">
</telerik:RadAjaxLoadingPanel>
</div>
UpdatePanels can often be problematic with Buttons. An easy thing that you can do is move the Button out of the UpdatePanel. After all, the more contents in your UpdatePanel, the slower the asynch postback will be.
Related
I'm in a bit of a conundrum here.
I have a FileUpload inside an UpdatePanel. As FileUpload cannot use an ASnycPostBackTrigger it must make use of a PostBackTrigger kind of defeating the purpose of AJAX (this is a security implementation I assume). Currently when my file upload begins, I show the user a loading gif and when the page posts back it hides the animation.
This works great for all browsers except Safari. Safari freezes all animations during full postback/redirects to save resources (meaning my gif will display but not animate). I am stuck as I am unsure how to render the loading animation as FileUpload cannot use partial postback behavior.
Anyone have any ideas on how to render animations during file transfer in Safari?
UPDATE PANEL
<asp:UpdatePanel runat="server" ID="updatePanel">
<ContentTemplate>
<div class="wrapper">
<asp:Panel runat="server" ID="masterPanel">
<asp:FileUpload ID="fileUpload1" runat="server" AllowMultiple="true" />
<asp:Button ID="btnUpload" Text="Submit" runat="server" UseSubmitBehavior="false"
OnClientClick="return submitFiles()" />
</asp:Panel>
</div>
</ContentTemplate>
<Triggers>
<asp:PostBackTrigger ControlID="btnUpload" />
</Triggers>
</asp:UpdatePanel>
PROGRESS PANEL (HOLDS LOADING ANIMATION
<asp:UpdateProgress ID="loadingProgess" AssociatedUpdatePanelID="updatePanel" runat="server">
<ProgressTemplate>
<asp:Panel runat="server" id="loading" >
<div>
<asp:Image src="loader.gif" runat="server" ID="loadingImage" />
</div>
</asp:Panel>
</ProgressTemplate>
</asp:UpdateProgress>
SCRIPTS
<script type="text/javascript">
function UploadFile(fileUpload) {
if (fileUpload.value != '') {
//Display animation
document.getElementById('<% Response.Write(loadingProgess.ClientID); %>').style.display = "inline";
//Posts files
submitFiles();
}
}
</script>
Have you tried a CSS animation instead of GIF?
Check this.
I have implemented my owm functionality for the cancel button(I'm using javascript for that) of the ModalPopUpExtender instead of writing "cancelcontrolid" property for the ModalPopUpExtender.
It is working fine but there is one issue with that this cancel button is behaving as if it is doing postback.
It is necessary to have this functionality because when i'm writing the "cancelcontrolid" property it is not resetting the ModalPopUpExtender with the default values.
Please help..
Since you're using the button to only execute client side code why are you using <asp:Button you should use simple HTML<input type="button" instead:
<form id="form1" runat="server">
<asp:Button ID="btnShow" runat="server" Text="Show" />
<asp:ToolkitScriptManager ID="scripManager" runat="server" />
<asp:ModalPopupExtender ID="modal" BackgroundCssClass="modalStyle" PopupControlID="popup"
TargetControlID="btnShow" runat="server" BehaviorID="modalBehavior" />
<asp:Panel runat="server" ID="popup" CssClass="panelStyle">
<input type="button" id="btnCancel" onclick="Hide()" value="Cancel" />
</asp:Panel>
</form>
<script type="text/javascript">
function Hide() {
$find("modalBehavior").hide();
}
</script>
Try this......
<asp:button runat="server".... OnClientClick="myfunction(); return false;" />
I have this code in form:
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<asp:TextBox ID="Text1" runat="server"></asp:TextBox>
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<asp:TextBox ID="Text2" runat="server"></asp:TextBox>
<asp:Button ID="Submit" runat="server" OnClick="Submit_Click"
Text="Click Me"/>
</ContentTemplate>
</asp:UpdatePanel>
When I click on Submit button, the all form is posted back on server (Text1 and Text2). I want to post back only textbox in UpdatePanel (Text2). Is it possible?
Thank you for responses.
EDIT (Solution):
I think, I have solution using Javascript:
function onSubmit() {
var text1 = this.document.getElementById('<%=Text1.ClientID%>');
text1.disabled = true;
return true;
}
....
<asp:Button ID="Submit" OnClientClick="onSubmit();" ..../>
It cause that Text1 will be disabled before PostBack. It seams that ASP.NET do not post back values from disabled textboxes. Hovewer, this works only without UpdatePanel. Of course, Text1 is empty after postback.
Well, the UpdatePanel controls what get's posted back. You cannot change that behavior. It should be posting the form data for the UpdatePanel only (I believe), plus the entire ViewState. It has to post the entire ViewState for the page lifecycle to work.
I have button, which should open a modal pop up with iFrame to a page.
Currently the button click opens a PostBackUrl,
I want a similar thing to happen here.
That is, I want to open the Iframe scr Page as postbackurl.
<asp:Button ID="btnCreateComp" runat="server" Text="Create Company" CssClass="button_style"
PostBackUrl="~/Company.aspx" />
<asp:Panel ID="Pnl1" runat="server" CssClass="PanelPopup">
<div>
<iframe id="iframe1" runat="server" height="500px" width="500px" src="" ></iframe>
<asp:Button ID="btnclose" runat="server" Text="Close" CausesValidation="false" />
</div>
</asp:Panel>
I think you should use jquery pop up because it is easier than modalpopupextender because I found it buggy some time there are a lot of pop up in jquery:
Jquery popup exmaples
I used this one and it is working perfectly (you can place what ever you want) for me:
Note:The best feature I like about Jquery it is not required that your control must have runat="server" it works with both HTML Controls and ASP.NET Controls.
Adding event handler to button:
<asp:Button ID="btnclose" runat="server" Text="Close" CausesValidation="false" onclick="btnClicked" />
In the code behind:
protected void btnClicked(object sender, EventArgs e)
{
iframe1.src="an http link";
//do not try set src to www.google.com because they are blocking Iframe
}
There is a textbox on a ContentPage. When the user presses Enter in that textbox I am trying to fire a 'Submit' button on this ContentPage. I'd like to fire off that particular button's event.
Instead, there is a search textbox & button on the top of the page from a MasterPage, and this search button's event fires off.
How do I control to fire off this ContentPage's submit button, instead of the MasterPage's search button?
I am using Ektron CMS for my content management.
The easiest way is to put the fields and button inside of a Panel and set the default button to the button you want to be activated on enter.
<asp:Panel ID="p" runat="server" DefaultButton="myButton">
<%-- Text boxes here --%>
<asp:Button ID="myButton" runat="server" />
</asp:Panel>
if you need to do it from code, use
Me.Form.DefaultButton = Me.btn.UniqueID
Where btn is your button control.
You can use the DefaultButton property on either a server-side form control or Panel control. In your case, group the controls together in a Panel that should fire off the same button:
<asp:Panel ID="SearchBox" runat="server" DefaultButton="BtnSearch">
...
<asp:Button ID="BtnSearch" runat="server" Text="Search!" />
</asp:Panel>
....
<asp:Panel ID="UserPanel" runat="server" DefaultButton="BtnUserSubmit">
...
<asp:Button ID="BtnUserSubmit" runat="server" Text="Submit" />
</asp:Panel>
You can now use UseSubmitBehavior property to disable all the buttons you don't want to fire when hitting submit (check out the documentation for more info)
<asp:Button ID="BtnNotToFIre" runat="server" Text="Search" UseSubmitBehavior="false" />
Microsoft say:
<form id="Form1"
defaultbutton="SubmitButton"
defaultfocus="TextBox1"
runat="server">
enter link description here
$(document).ready(function(){
document.getElementById("text_box_id")
.addEventListener("keyup", function(event) {
event.preventDefault();
if (event.keyCode === 13) {
document.getElementById("button_id").click();
}
});
});