Web Forms :: How To Call A Code Behind Method For A Button Control Using Java Script
Feb 12, 2010
If I have a web form with a button control on it. Is their a way to have it's button press method called from a Java Script method? Can someone show me how to do this?I have a hidden button on a web form. I need to simulate it being pressed programatically through Java Script. So I need Java Script to run the code behind method for a button.
protected
void PageButton_Click(object sender,
EventArgs e)
{
// How to have this method called from Java Script?
}
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Jun 1, 2010
I have a Java Script method that is called from an Aspx page named Default.aspx. The Java Script method is calledwhen a linked button on that page is pressed.
function Redir()
{
window.status="";
va urlGetit = "ConvertToExcel.aspx?" + "&test=" + 7;
xmlhttp = new XMLHttpRequest();
xmlhttp.open("GET",urlGetit,true)
}
This Java Script method then calls my Code behind file named ConvertToExcel.aspx.cs" where I build an MS Excel file
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May 18, 2010
how do you call code behind button click event or a code behind method
from javascript.
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Feb 3, 2011
Consider my following case - I have a web page having an asp:Button. Now I have written some code (.cs) in click event of this button. Once this server-side code is executed I want my javascript function to execute.
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Jun 10, 2010
Adding a label control inside of a div will short circuit my image buttons onClientClick method call.
I have an Asp.net panel control. In that markup I have an image button control. My image button when clicked will not call my Java Script method unless the image button control is wrapped with a div or table <td> tag.
That is fine with me. However Just to the left of my image button I have a label control that must be on the same line/row of my image button. If I wrap both the label control and image control in a div or td tag then
my Java Script method is not called. So somehow wrapping the label tag with a div or td results in the short
circuiting of calling my Java Script method.
Why is this? I must have my label and image button control on the same line, so that is the requirement.
I tired using a span tag instead of a div, but that does not work. Below is my Asp.net markup code.
[code]....
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Nov 18, 2010
I want to call a method in the code behind file from the aspx file, but I can't get the TypeName propery correct.
I can call methods in the dll:s in the bin folder and from files in the app folder, but not from code behind in the aspx page. What do I need to do.
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Feb 17, 2011
I am just learning ASP.Net and i am more using C# as code behind than vb.I am trying to call a method of the code behind (file.aspx.cs) from the (file.aspx).I know how to do it the easy way:- create a button from ASP.Net and double click on it than the property "onclick" will be linked to the method.But i don't know how to do it from a query:
- By example, from an Access database,i use the syste, [using System.Data.OleDb;] and i made a query and display it into a standar object named "Table" which has rows (tablerow) and cells (tablecell) and the cells have one of their properties which is "Controls" where developers can add button (regular button, image button, link button, etc). With i display the buttons from the database, i can not call a method from code behind! I can't either use their properties "onclick" to call i method i created in the code behind.Is there a way to do it ?
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Jan 25, 2011
I have a web method in my code behind:
[System.Web.Services.WebMethod]
public static string GetStateData(string state)
{
//this is where i want to call a javascript method "GetItems"
}
I have a javascript method that retrieves some values for me and I want to get use one of those values in my web method
function GetItems() {
var variable1= $("#<%=Item1.ClientID %> input:checked");
var variable2= $("#<%=Item2.ClientID %>").val();
return [variable1.text(), variable2.val(), variable2];}
I've searched for ways to call the javascript method from the web method but every time my search results in how to call a web method from javascript.
I did find this but it was done from the code-behind of a silverlight project and when I tried adding the correct reference to my code-behind it wasn't there
var result = HtmlPage.Window.Invoke("GetItems"); Is there a reference I'm missing?
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Jan 28, 2011
iam using the Jquery Uframe with asp.net project.Iam getting a postback problem here.
In side the uframe ,button control getting postback the page even the client side method call also.
i tried with the Html button Control also by setting the type="submit" ,iam facing the same problem.
And I got very limited reference about the uframe(codeflex,codeProject).
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Dec 20, 2010
How to call usercontrol's code behind method in aspx.cs
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Feb 10, 2011
how can we call the code begind method in a aspx page? for ex:
code behind:
==========
public bool sample()
{
return true;
}
aspx:
===========
<asp:CheckBox ID="chkPFCeilingFlag" runat="server" TabIndex="15" Checked='<%# sample() %>'
Enabled="true" CssClass="CheckBox"></asp:CheckBox>
but it is not called.
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Jul 1, 2010
I got asked to write a java application for my company. I'm a seasoned .Net developer so this is all new ground to me.My task is to produce an invoicing application that has several high level tasks such as:Build single invoiceBuild all invoicesMy company want to be able to call these tasks from a java console application - passing in relevant commands and parameters to invoke the tasks. They also want to be able to invoke the same code from an ASP.NET application.
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Oct 26, 2012
How to call the server side method on browser window close button...
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Jun 11, 2010
I am trying to execute a method in ASP.NET from Jquery
$.ajax({
type: "POST",
contentType: "application/json; charset=utf-8",
url: "MyMessages.aspx?id=66&epslanguage=sv/test",
data: "{}",
dataType: "json",
error: function(xhr, err) {
alert("readyState: " + xhr.readyState + "
status: " + xhr.status);
alert("responseText: " + xhr.responseText);
},
success: function() {
alert("it works" );
}
})
code behind:
[WebMethod]
protected void test()
{
test.Text = "works";
}
I get errormessage redayState: 4 and status 200 when I do this. I don't understand the problem. I am vey new at this. :)
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Jan 9, 2010
How to make a span tag behave exactly like an asp:button (ie) using its onclick method to call a codebehind method..
<span onclick="MyPageMethod()"></span>
I know linkbuttons can do it for me,but my question is can span tag do it for me?
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Feb 9, 2010
My pages base on master and content pages and in content pages I have Multiviews; inside Multiviews I have RadComboBoxes.Two of my RadComboBoxes are parent and child, like country and city dropdowns. Therefore in code-behind I put some code in the OnSelectedIndexChange event of parent RadComboBox for filling its child; I use a hidden field for country id and sql datasources (stored procedures). Meantime parent and child combo boxes are in an update panel.For doing this job i set the autopostback property of parent combobox to true,but I do not want that autopostback=true because of some focus problems that I coded with jQuery.So I want to convert the OnSelectedIndexChange event in code-behind to a method and call it in jQuery (in change event or something like that of parent combobox). How can I do this?
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Feb 11, 2010
We're having a problem in our ASP.Net application where the Crystal Reports engine leaves garbage .tmp files in the server's Temp folder after generating reports for the users.So we're trying to figure out how to run the .Close() and .Dispose() methods on the Report object, but we're finding that the code never gets run after the export occurs.
MyReport.Report.ExportToHttpResponse(ExportFormatType.PortableDocFormat,
this.Response, true, "My_Report"); [code]...
Breakpoints set on the last two lines never get hit, and we've also tried putting other code there to test the processing. None of it runs. (I've also seen this question on other sites with similar code, but no answers)I assume the ExportToHttpResponse method is returning a file stream (PDF) to the user at that point, ending the processing so the rest of the code doesn't get run. If that's the case, how do we get CR to perform a cleanup on the temp files, which the Close() and Dispose() methods are supposed to do? Do we have to implement a manual after-the-fact cleanup?
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Oct 17, 2010
I have a css style button that is calling a method in the .cs file
loggut_Click is the method in the .cs file that button is gonna run
From the .... .aspx file[Code]....
have tried changing out the # with onclick="loggut_Click" but its still not working.
from the ....cs file
protected void loggut_Click(object sender, EventArgs e)
{
Session["Innlogget"] = "nei";
Response.Redirect("admin.aspx");
}
All this button is gonna do is actually just set the Session "Innlogget" to "nei" as in you are not logged inn anymore.
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Mar 10, 2011
how to make a stadard HTML button call an action method and pass parameters to it? Can you please show me an example of how to do this? THis is the method:
public ActionResult CCDReview([DefaultValue(1) int CUrrentPage])
{
//method code is here.
}
Yes, my button is wrapped in a form, and it's a "submit" button.
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May 7, 2010
I'm using VS2005 ( asp.net , vb.net ) How to onclick the imagebutton the call the code behind function?
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Jul 27, 2010
I need to implement below code from code behind but I do not know how can I do that properly.
[Code]....
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Dec 14, 2010
I have an Asp.Net TextBox control whose enabled property I need to evaluate using a separate (from the code-behind of the containing page) class. The way I want to do this is:
<asp:TextBox ID="myTB" runat="server" Enabled="<% ToggleControl(this, "someBusinessValue") %>" ... />
The reason I need to pass a reference to the calling control is to see if there are other properties I may need to consider before disabling it. The 'this' keyword, however, refers to the page as a whole. And since my TextBox can be within a FormView, or GridView, I can't easily just get the control byexamining 'page.myTB'. I don't want to have to start ploughing through GridViews on the receiving class file just to retrieve a reference to the TextBox.Does anyone know how to refer to the control inline in this way?EDIT 1: This will need to be done to several different types of server control, such as ListBox, CheckBox, RadioButtonList, etc.EDIT 2: The best I've come up with so far is:
<asp:TextBox ID="myTB" runat="server" Enabled="<% ToggleControl(myGridView.FindControl("myTB") as WebControl, "someBusinessValue") %>"
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Jun 30, 2010
have, I am using JAVA's confirm function on one of the button in my aspx page, and base on the response, I would like to call a function with in the cs file.
<asp:Button ID="myButton" runat="server" Text="Click Me" OnClientClick="ShowTextBoxContent();"/>
<script type="text/javascript"> .....
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Mar 11, 2010
I have a script written in PHP that does a number of things. I do not want to have to rewrite this in ASP.NET. I wanted to know if anyone knew how I can just call the PHP file from the code behind page after a button is clicked.
I cannot use javascript because things need to be added to the database and need to be successful in the function before I can call this php file. I do not need any of the php code to show up, I just need the php file to run and I need to add a parameter to the end of the URL.
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Oct 8, 2010
My motto is to call a Java script function at the end of button click code behind. ie, firstly i need to execute the server side function after which my java script function should get invoked. My server side method is as follows
protected string SaveEmbedURL_click()
{
if (txtembedurl.Text != null)
{
School aschool = new School();
aschool.SchoolId = CurrentSchool.SchoolId;
aschool.EmbedUrl = txtembedurl.Text;
SchoolRespository.updateEmbedUrl(aschool);
return "true";
}
}
My Java script function is as follows
function SaveEmbedUrlClientSide() {
admin_CustomizeTheme.SaveEmbedURL_click(true);
$('#lbl_embedcode').removeClass('hide').addClass('show');
$('#embedCode').removeClass('hide').addClass('show');
CopyToClipboard("embedCode");
}
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