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Thread: Confirm before delete

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  1. #1
    Join Date
    Dec 2011
    Posts
    39

    Confirm before delete

    Dear Sir, I have folloiwng codes

    PHP Code:
    if(isset($_POST['delete']))
        {
            
    // Get values from form 
            
    $sno $_POST['txtsno'];
            
    $pro $_POST['txtpro'];
            
    $wet $_POST['txtwet'];

    $query "delete from test WHERE sno={$sno};
    $result mysqli_query($con$query);
                
    if(!
    $result){
    echo 
    "<script>alert('Record not deleted')</script>";
    }else{
    echo (
    "<script>alert('Record deleted successfully')</script>"); 
    }

    It works fine, but I want to need a confirmation box like this before deleting record

    http://i42.tinypic.com/15mzc6g.jpg

    Please help

  2. #2
    Join Date
    Jul 2013
    Location
    Voorheesville NY USA
    Posts
    878
    add an onclick event to your submit button. In it point to a JS function that simply returns the result of a confim() call.

    Code:
    <input type='submit' name='delete' value='Delete' onclick='return confirmDelete()'>
    Put this in your <head> section.
    Code:
    <script type='text/javascript'>
    function confirmDelete()
    {
       return confirm("Are you sure you want to delete this?");
    }
    </script>

  3. #3
    Join Date
    Dec 2011
    Posts
    39
    Sir, I have following codes
    PHP Code:
    // DELETE 
            
    if(isset($_POST['delete'])) 
            { 
                
    // Get values from form  
                
    $sno $_POST['txtsno']; 
                
    $pro $_POST['txtpro']; 
                
    $wet $_POST['txtwet']; 
         
                    
    //$query = "delete from test WHERE sno='".$sno."'" ; 
                    
    $query "delete from ghee WHERE sno={$sno}
                    
    $result mysqli_query($con$query); 
                     
                    if(!
    $result)            { 
                    echo 
    "<script>alert('Record not deleted')</script>"
                    }else{ 
                    echo (
    "<script>alert('Record deleted successfully')</script>");  
                          } 
                } 
        
    ?> 
         
              <form name="form1" action="" method="post"> 
                <table border=0; cellpadding="1" cellspacing="1" bgcolor="" align="center" > 
                > 
                <div style=text-align:center;margin-top:20px;> 
                   
                  <input type="submit" name="delete" value="Delete" onclick="return (window.confirm('Do you really want to delete this record?') ? 1 : 0);" 
        > 
                            
                </div> 
              </form> 
    When I press delete button then confirmation apperas but..
    In both cases (Yes or No), record is deleted automaticlly.

    I think when Delete button is pressed then this part of codes runs immediately without caring Yes or No option.
    PHP Code:
     if(isset($_POST['delete'])) 
    The record must not be deleted in case NO button is pressed.

    Please help again. Thanks

  4. #4
    Join Date
    Jul 2013
    Location
    Voorheesville NY USA
    Posts
    878
    Use the code I gave you EXACTLY the way I gave it to you.

  5. #5
    Join Date
    Sep 2013
    Posts
    221
    well..., i think you must try out with the below code:
    echo"<form method = \"post\" action =\"change.php?change=$productid\">";
    echo// form fields here!...
    echo"<input type=\"submit\" name = \"delete\" value=\"Delete\" onclick=\"return deleletconfig()\" />";

    if (isset($_POST['delete'])){ //delete clicked
    //get variables here
    //run query delete record from xyz where id=$id


    }

    <script>
    function deleletconfig(){

    var del=confirm("Are you sure you want to delete this record?");
    if (del==true){
    alert ("record deleted")
    }else{
    alert("Record Not Deleted")
    }
    return del;
    }
    </script>

    I have used the above code in one of my application and it has worked fine for me.
    Hope this helps,

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