Creating Dynamic Buttons To Call A CodeBehind Function?
Mar 29, 2011
So I have a page that is rendering data from an MSSQL instance into an HTML table. The last cell has a button to download an uploaded file from the database which is created manually during the table creation so I can enter the recordid as a parameter of the button.
The upload and download functions work perfectly fine. The problem is that I cannot get my dynamically created button to work . All it does is post back but I never get the actual file to send from the server. (Although I verified it works through other means). Any suggestions would be great, I've litterally spent all day on this. below are a few code snippets of the different methods i've tried.
RenderControl. This is great but it loses the onclick method
c# Code:
[code]....
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Dec 13, 2010
i have a question about call javascript in codebehind. my page has two parts.one part for enter information about manager and another part for usualuser.each person has mellicode.that it has speicail code.i wrote it with javascript and call it with this code:
[Code]....
when i click in btnpazireshsabt i should check mellicode for manager.i call it :
[Code]....
i want to disable btnsabt when i click in
[Code]....
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Jan 19, 2010
I have a JavaScript function which i call in the onchange handler of a dropdownlist. If the selected value of dropdownlist is "1" i want to call one function in codebehind.
Following is the function in JavaScript:
function GetAdmissionType()
{
InitComponents();
var type="";
type=document.getElementById(dlAdmissionType.id).value;
document.getElementById(hdnAdmissionType.id).value=document.getElementById(dlAdmissionType.id).value;
if(type=="1")
{
}
}
If type is 1 then i want to work following code in codebehind
public void LoadSemesters()
{
//code to load other dropdownlists
}
call function in codebehind from JavaScript?
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Mar 26, 2010
Is it possible to call ASP.NET codebehind function from Javascript.
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Oct 26, 2010
Is it possible to call a C# function in my codebehind from javascript?
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Mar 23, 2011
I have a controller:
<asp:Button OnClick="MyFunction" runat="server" />
I want to be able to call MyFunction without the page reloading. Is this possible with ajax or something?
If so how would I do it?
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Aug 26, 2010
i want to call thickbox.js function in codebehind , below the code in jquery i want to call below code in codebehind
function tb_remove() {
parent.location.reload(1);
$("#TB_imageOff").unbind("click");
[code]...
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Jan 21, 2010
I'm having some trouble with making use of some AJAX-properties that are normally accessable after I've initialized a scriptmanager.
ie. This work:
[Code]....
Now, I would like to call the javascript-function 'testFunc()' from my ASP.NET Codebehind-file, and here's my problem. I keep getting "Sys is unidentified".codebehind-stuff: ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "testkey", "testFunc();", true);
Does anyone have good idea how to solve this?
Much appreciated. Thanks.
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Dec 16, 2010
I have a aspx page that, when loading, will initialize a class called, Bill :)
When Bill is initialized, the aspx page will wire a function to a handler of Bills.
When that function in Bill is fired, I would like to call a javascript function in the aspx page, but that is where I am having difficulties...
I have tried ClientScript.Register and all of that, but nothing is seeming to work. As of now, I am simple trying to get the function to fire an alert.
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Nov 5, 2010
When I click on the following div:
<div id="Result">Click here for the time.</div>
I need the following codebehind function to run:
<WebMethod()> _
Public Shared Function GetDate() As String
Return DateTime.Now.ToString()
End Function
I need this to populate the inside of the div with the string returned by the GetDate() function. I think this should use code similar to this:
[Code]....
I've pulled this example from this site: [Code]....
However, I simply cannot get it to work. Nothing happens. This is just a regular asp.net web project. I haven't done any sort of Ajax-enabling business other than including script tags in my markup to reference jquery.
Here's what the firebug console tells me when I click on the div:
POST http://admin/Default.aspx GetDate 404 Not Found -18ms
Edit: Note: test.aspx/GetDate must match your aspx page name and function name!
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Jan 28, 2011
I've created some dynamic buttons on page load but the buttons need to have an onserverclick event and pass a value. I used buttons because they can pass a value. My code below so far, just outputs onserverlick to the html page, which is obviously not what I want. Would it be possible to use some other method, I originally used hyperlinks until I needed to pass a value (I didn't want to use querystrings).
[Code]....
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Jan 31, 2011
the buttons are created fine, when i click a button i get my javascript alert, but my labels arent updated, its like the serverside function isnt running it at all
the "SetTemplateContent" section the aspx section is at the bottom if that helps
whats up with the code that would be great, cheers
[Code]....
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Jan 20, 2011
How would you call a Javascript Function from CodeBehind on Page Load event without : Ajax (ScriptManager), Response.Write ?
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Sep 29, 2010
In asp.net page, How can i call the javascript methods for form processing-submitting if the user browser supports javascript and use code behind events if the browser does not support javascript.I have the javascript code to send the form data to an ajax server page using jquery. Don't know how to invoke the needed one based on the browsers javascript availability
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Jul 24, 2013
im creating dynamic buttons on page load and on the click event of button1 handlere iam creating more buttons this is going fine but on click event of button 2 work is not done so how to maintain a chain of creation of button on click events
protected void Button2_Click(object sender, EventArgs e)//
{
ClientScript.RegisterClientScriptBlock(this.GetType(), ((Button)sender).ID, "<script>alert('Button_Click');</script>");
Response.Write(DateTime.Now.ToString() + ": " + ((Button)sender).ID + " was clicked");
}
protected void Button_Click(object sender, EventArgs e)//this button click will call all the items related to department
[code]....
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Jan 27, 2010
<asp:LinkButton CssClass="button" ID="btnApply" runat="server" OnClick="btnApply_Click()" OnClientClick="Apply1('btnApply')" >
hi ihave this functin in .vb file
Protected Sub btnApply_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnApply.Click
end sub
and javascript function also in aspx
function ApplySummerization(id)
{
alert("hai");
}
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Sep 16, 2010
how to jquery call a other call function other class is not static
[WebMethod]
public static bool Verify(string username, string password)
//Do your logic with username, password here
//I am just checking with admin/admin credentials
Console.WriteLine("Ritu");
[code]...
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Dec 3, 2010
i got a javascript function that i want to call on <aspImabutton onclient event but it keep saying function not defined.
[Code]....
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May 7, 2010
I my application i am using ajax(Updatepanel).I am using the following code to show confirmation dialog box after finishing some update process in database. but it is not working for me.
Problem: Confirmation box is not displaying.
code:
protected void imbtnUpdate_Click(object sender, ImageClickEventArgs e)
{
// Database process [code]....
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Sep 6, 2010
I am attempting to inherit an ASP.NET RegularExpressionValidator and add some functionality to it. I inherited the control and added my custom properties. However, I would also like the client-side functionality to call a different JavaScript functionIn order to do that, I will need to supress what is happening in the AddAttributesToRender method because the name of the function is hard-coded there.
Protected Overrides Sub AddAttributesToRender(ByVal writer As HtmlTextWriter)
MyBase.AddAttributesToRender(writer)
If MyBase.RenderUplevel Then
Dim clientID As String = Me.ClientID
[code]...
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Aug 2, 2010
I need to have something similar to onclick for a <asp:menuitem, is there an easy way to do this?
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May 11, 2010
I have a master that I am trying to load a certain stylesheet based on some data. I have a function in the code behind of the master page:
[Code]....
Then in the head of the master, I have:
[Code]....
I've tried "Eval" too but if I set a breakpoint in the LoadFacilityStyles function, it never even gets triggered/called. Is this possible to do with .master?
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Jul 27, 2010
I'm using Telerik RadControls, in my codebehind I have the following function, a portion of which adds buttons to the footer.
Protected Sub RadGrid1_ItemCreated(ByVal sender As Object, ByVal e As GridItemEventArgs)
If TypeOf e.Item Is GridDataItem Then
Dim editLink As HyperLink = DirectCast(e.Item.FindControl("EditLink"), HyperLink)
editLink.Attributes("href") = "#"
editLink.Attributes("onclick") = [String].Format("return ShowEditForm('{0}','{1}');", e.Item.OwnerTableView.DataKeyValues(e.Item.ItemIndex)("ID"), e.Item.ItemIndex)
End If
''Add buttons to footer of grid
If TypeOf e.Item Is GridFooterItem Then
Dim footerItem As GridFooterItem = e.Item
''Creat Ticket button
Dim btn1 As New Button()..........................
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Nov 3, 2010
OK, this feels like a question that should be easy to answer, but as with so much mixing of asp.net and jQuery, it's a bit of a nightmare.
What I want to do is be fading a div in and out at various times during the client's viewing of my asp.net page; I fade it out using jQuery's fadeTo() before triggering an UpdatePanel update (to indicate that the data there is not fresh) and I want to fade it in again once the UpdatePanel has been updated. I've gotten as far as updating the UpdatePanel in the codebehind, and this results in the div's content changing... but how do I fade the div back in again?
The way I see it, there are 2 ways; register an event handler on page load to detect when the div's content has been changed and fade it back in, or call a function from the asp.net codebehind when I've updated the div to fade it back in.
In the first case, there doesn't seem to be any event triggered by the div's content changing, so I can't seem to do that. If anyone knows how I could get a client event to trigger when I update the div, that would be a nice solution.
In the second case, I thought that this was what ClientScriptManager was for, but it doesn't quite do what I want. I want to be able to register a particular Javascript function with ClientScriptManager and then tell ClientScriptManager to execute it in the client, from my codebehind. You can't seem to do that. ClientScriptManager.RegisterClientScriptBlock() simply inserts some <script> into the HTML output, rather than calling a function. Presumably this would work if I kept registering things like:
<script>fadeBackIn();</script>
because the Javascript would be immediately evaluated and run, but this feels messy, and that feeling is intensified by the fact that I'd have to keep randomly generating a new unique value for the key argument of ClientScriptManager.RegisterClientScriptBlock(), because it's specifically designed to stop this kind of repeated code. However, I'm struggling to see an alternative.
I'd really like something along the lines of:
ClientScriptManager.RegisterClientScriptFunction("fadeBackIn", "function fadeBackIn(){ ... }");
ClientScriptManager.ExecuteClientScriptFunction("fadeBackIn");
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Sep 30, 2010
I have an asp.net 3.5 C# web app.
When a person starts this app it will auto log them in by the System.Web.HttpContext.Current.User.Identity.
On the method Session_Start in the Global.asax file I am setting the User's cookie.
If the cookie expires I want to be able to re-start the Session or call Session_Start from the Global page.
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