Reloading On Javascript Onclick Function
Aug 18, 2010
Novice question I guess:The Scenario.I have an asp.net page that contains 6 divs and 6 hyperlinks which are linked to javascript function:
function showdiv(divname)
{
hideallcontentdivs();
[code]....
the divs have id's: item1, item2....item6 and the hyperlink specify to the javascript function the id of the div that needs to displayed.
The Problem:Whenever I click on an hyperlink, the effect that I want is achieved but the page reloads too.
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Oct 26, 2010
[Code]....
The OnClick_Next is reloading the whole page, which means the Do Until statement fires everytime because counter always equals lastID (they both start as zero).
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Jan 8, 2011
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Dec 4, 2010
I have used below code.
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Jan 18, 2010
I have an issue in my application . When I am calling a Javascript function OnClick of Submit button, the range validators on my page doesnt work.
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Mar 19, 2010
I have an aspx page with two buttons, one of the buttons has an OnClick attribute to a function that should be run when clicked. When the other button is clicked there is an if statement checking if the page is a postback, if it is then I run some statements that need to be run when that button is clicked. That postback button works fine. However, the other button, when it's clicked the function it's supposed to call never executes, and the statements inside if (Page.IsPostBack) get executed instead. What can I do to fix this? Is there a way to make the button that calls a function not do a Post back?
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Feb 27, 2011
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May 7, 2010
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Mar 12, 2010
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Feb 3, 2010
I am writing my first AJAX enabled page. Basically I am trying to expand out the lines of a Purchase Order (PO) using our company database. What I want to do is have a button that will that will call on a javascript to update a div field with a table for the PO lines of that PO and at the same time change the function that is called by the button to a function that will collapse the list. How would i do this?
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Oct 30, 2010
public void addComment(object sender, ImageClickEventArgs e)
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Aug 10, 2010
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Jan 27, 2010
I am trying to figure this up
[Code]....
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Jan 27, 2010
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Jul 27, 2010
If I use both onclick() and onClientClick() can I make sure that server side will be called only after client side function returns TRUE or vice versa?
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<%
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Mar 9, 2011
Void button has a confirm box after receiving true, expecting running another button's click event
however, Void2_Button_Click not run, where is wrong?
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Apr 1, 2010
I have a link like this
<a href="#thumb" id="ctl00_allContent_btnThumb" onclick="javascript:__doPostBack('ctl00$allContent$btnThumb','')"><img alt="" src="../../images/bullet-thumb.gif"></a>
On Firefox it does what it supposed to. But it won't work on IE or Chrome.I know there are some questions on the subject here, but they haven't helped me. I'm guessing it's more specific since it envolves ASP.NET postback.
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Dec 30, 2010
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<asp:Button ID="btnProcess" runat="server" Text="ProcessTrans" "
onclick="btnProcess_Click" />
Here is my code before applying the javaScript call>
<asp:Button ID="btnProcess" runat="server" Text="ProcessTrans" "
onclick="btnProcess_Click" onClick="CallJS('Demo()')" />
How many calls can I have in a single button?
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Aug 25, 2010
I am trying to replace the JavaScript onclick event handler in ASP.NET that is added to a button control when using validation controls. This is what is output into the HTML from ASP.NET in this scenario:
<input type="image" name="ibSubmit1" id="ibSubmit1" src="button-green-submit.gif" onclick="showProgress1();WebForm_DoPostBackWithOptions(new WebForm_PostBackOptions("ibSubmit1", "", true, "Group1", "", false, false))" style="border-width:0px;" />
I have looked pretty estensively, and unfortunately there doesn't seem to be a way to modify the function server side before it is injected into the page.
Since I am developing a control and desire it to be non-invasive and self contained, and I am interested in obtaining the validationGroup parameter of the WebForm_PostBackOptions object, it seems that the easiest solution would be to use JavaScript to replace the WebForm_DoPostBackWithOptions function name with my custom wrapper function and leave all of the rest of the parameter information intact - then I can extract the information I am interested in, call my custom functions, and then forward the call on to WebForm_DoPostBackWithOptions.
NOTE: I am using jQuery to build my custom function, so if there is an easier way to do this with jQuery it is an option I will consider.
Here is the code I tried to replace the onclick event handler (not working):
$('[onclick*=WebForm_DoPostBackWithOptions]').each(function() {
var txt = this.onclick;
txt = txt + '';
txt = txt.replace('WebForm_DoPostBackWithOptions','ml_DoPostBackWithOptions');
this.onclick = eval(txt);
});
Using alert(), I verified that the text is being changed correctly, however whether or not I use the eval() function, the onclick handler doesn't seem to recognize it as JavaScript.
I thought of using a regular expression to get the validationGroup value, but this seems like it will be far more elegant and flexible if I can get it working...
Note: If there is a way for my control to interrogate the page it is on to find all of the buttons that will post back (regardless of what type of buttons they are) so I can retrieve the property server-side, this is also something I will consider.
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Aug 25, 2010
I have 2 textboxes which has default values in forecolor:#999999. If I click on the textbox, the default value should clear and the forecolor should change to black. I mean, like watermarking. But I am not using any Ajax.
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Nov 16, 2010
i am working in MVC & want to add a javascript file only in when the 'onclick' event is fired for actionlink... ie. by default a javascript file is not included in my project... but when the actionlink button is clicked then only the javascript file shud be added..
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Sep 19, 2010
I'm trying to implement a onclick event to select an item in a asp:ListViewControl.
<ItemTemplate>
<tr runat="server" id="MemberRow" onclick='<%#ClientScript.GetPostBackClientHyperlink(LvMembers, string.Format("Select${0}", Container.DataItemIndex)) %>'>
<td>
[code]...
However the onclick does not fire the ListView.Command or ListView.SelectedIndexChanging event? If I add a button with CommandName="Select" it works as expected? The POST data is the same!
{_EVENTTARGET=ctl00%24ContentPlaceHolder1%24LvMembers&_EVENTARGUMENT=Select%245&__VIEWSTATE=...}
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Jun 29, 2010
i have a navigation bar made up of ImageButtons that have their image swapped out on mouse over and back on mouse out. i used this code in the Page_Load handler to do this:
ImageButton1.Attributes.Add("OnMouseOver", "this.src='mouseover.gif'")
ImageButton1.Attributes.Add("OnMouseOut", "this.src='mouseout.gif'")
what i'm trying to do now is get the mouseover image to load when you click the button and are taken to the page. i tried this but it doesn't work:
ImageButton1.Attributes.Add("OnClick", "this.src='mouseover.gif'")
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