asp.net Button OnClick event not firing

Question

I have problem in asp.net button control.

I define a button in form, onclick event of button is not firing when I click on the button.

<asp:Button ID="btn_QuaSave" runat="server" Text="SAVE" OnClick="btn_QuaSave_Click" /> 

protected void btn_QuaSave_Click(object sender, EventArgs e)
{

}

Answer 1

Because your button is in control it could be that there is a validation from another control that don't allow the button to submit. The result in my case was to add CausesValidation property to the button:

<asp:Button ID="btn_QuaSave" runat="server" Text="SAVE" OnClick="btn_QuaSave_Click" CausesValidation="False"/> 

Answer 2

Have you copied this method from other page/application ? if yes then it will not work, So you need to delete the event and event name assigned to the button then go to design and go to button even properties go to onClick event double click next to it, it will generate event and it automatically assigns event name to the button. this should work

Answer 3

If you are using updatepanel on onclick event, this may happen.

Use 'EnableEventValidation="false"' in your page markup like this :

<%@ Page Language="C#" MasterPageFile="~/ars_home.master" AutoEventWireup="true" CodeFile="Transaction_Window.aspx.cs" Inherits="Transaction_Window" EnableEventValidation="false" %>

Hope this helps

Answer 4

I had the same problem, my aspnet button's click was not firing. It turns out that some where on other part of the page has an input with html "required" attribute on.

This might be sound strange, but once I remove the required attribute, the button just works normally.

Answer 5

In my case I put required="required" inside CKEditor control.
Removing this attribute fixed the issue.
Before

<CKEditor:CKEditorControl ID="txtDescription" BasePath="/ckeditor/" runat="server" required="required"></CKEditor:CKEditorControl>

After

<CKEditor:CKEditorControl ID="txtDescription" BasePath="/ckeditor/" runat="server"></CKEditor:CKEditorControl>

Answer 6

我遇到了同样的问题，所有的按钮和上面提到的方法都改变了，然后我做了一件简单的事情，我在一个页面上使用了两个表单，并在表单中使用了表单，所以我删除了一个，它起作用了:)

Answer 7

I had a similar issue and none of the answers worked for me. Maybe someone finds my solution helpful. In case you do not mind submitting on button click, only attaching to click event setting UseSubmitBehavior="false" may be worth trying.

Answer 8

Try to Clean your solution and then try once again.

It will definitely work. Because every thing in code seems to be ok.

Go through this link for cleaning solution>

http://social.msdn.microsoft.com/Forums/en-US/vsdebug/thread/e53aab69-75b9-434a-bde3-74ca0865c165/

Answer 9

Try to go into Design mode in Visual Studio, locate the button and double click the button that should setup the event. Otherwise once the button is selected in Design more, go to the properties and try setting it from there.

Answer 10

Add validation groups for your validator elements. This allows you distinguish between different groups which to include in validation. Add validation group also to your submit button

Answer 11

就我而言：确保页面中除了顶部主表单之外不存在任何表单元素，这会导致事件未触发

Answer 12

If the asp button is inside <a href="#"> </a> tag then also the Click event will not raise.

Hope it's useful to some one.

Answer 13

In the case of nesting the LinkButton within a Repeater you must using something similar to the following:

<asp:LinkButton ID="LinkButton1" runat="server" CommandName="MyUpdate">LinkButton</asp:LinkButton>

 protected void Repeater1_OnItemCommand(object source, RepeaterCommandEventArgs e)
 {
    if (e.CommandName.Equals("MyUpdate"))
    {
        // some code
    }
 }

Answer 14

如果在您单击提交按钮时没有抛出错误但仍然没有触发 click 事件，请尝试将action="YourPage.aspx"添加到您的表单中。

Answer 15

Even i had two forms one for desktop view and other for mobile view , Removed one formed worked for me . I dint knew asp.page should have only one form.

Answer 16

Try this onserverclick

<button id ="DemoButton" runat="server" onserverclick="button_Click">Login</button>