在Javascript中确认是或否 [英] Confirm yes or No in Javascript

问题描述

我想以这样的方式编码：如果用户点击删除按钮，弹出窗口会显示你确定要删除..？

如果用户点击是，那么记录应该删除，否则不是......！



为此我已经完成了这个

< script type =  < span class =code-string> text / javascript> 
  function 警报（）{
  var  a = confirm（' 你确定要删除..？'）; 
 
  if （a）{
  return  真; 
} 
 其他 {
 
 返回 假; 
} 
} 
 
< / script> 

代码工作正常如果用户点击取消然后函数返回false但只有问题是在返回false后服务器端代码被执行我只是想要如果用户点击取消服务器端代码不应该被执行.....！



感谢提前帮助

解决方案

在调用java脚本函数时，使用 return 声明。例如： -

 <   asp：按钮    id   =   btnExa    runat   =  server    text   = 示例  
   
            < span class =code-attribute>              < span class =code-attribute> OnClientClick   =  return（Alerts（））;    
   
                           OnClick   =  btnExa_Click >  
 <   / asp：button  >  

祝你好运。

 <   asp：按钮    id   =  btnExa    runat   =  server < span class =code-attribute>   text   = 示例  
   
                           OnClientClick   =  return（确认（     你   确定   你   想要    to     delete））;   
   
                           OnClick   =  btnExa_Click >  
 <   / asp：button  >  

I want to code in such a manner that

if user clicks on delete button a pop up should appear saying "Are You Sure to Delete..?"
if user clicks yes then record should b deleted or else not...!

For this I've done this

<script type="text/javascript">
        function Alerts() {
            var a = confirm('Are You Sure to Delete..?');

            if (a) {
                               return true;
            }
            else {

                return false;
            }
        }
    
    </script>

Code Works Fine if user clicks on cancel then function returns false but only problem is after returning false also server side code gets executed I just want that if user clicks on cancel server side code should not get executed.....!

Thanks For help in advance

解决方案

While calling your java script function use return statement. Eg:-

<asp:button id="btnExa" runat="server" text="Example"

            OnClientClick="return (Alerts());" 

            OnClick="btnExa_Click">
</asp:button>

Good luck.

<asp:button id="btnExa" runat="server" text="Example"

            OnClientClick="return (Confirm("Are you sure you want to delete"));"

            OnClick="btnExa_Click">
</asp:button>

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