How to send a php variable from a js file to a php file using ajax?

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• How to display questions and option of mcq quiz in javascript

  I am building an app which conduct online exam. I have to select question and option from JS files. In these, four options are mentioned and answer will be calculated automatically. I am facing error in loading of questions from js file.I have tried with giving directly question in input. That part is working fine. I am very thankful if anyone can help me in this code.

  var currentQuestion = 0;
  var score = 0;
  var totQuestions = questions.length;
  
  var container = document.getElementById('quizContainer');
  var questionEl = document.getElementById('question');
  var opt1 = document.getElementById('opt1');
  var opt2 = document.getElementById('opt2');
  var opt3 = document.getElementById('opt3');
  var opt4 = document.getElementById('opt4');
  var nextButton = document.getElementById('nextButton');
  var resultCont = document.getElementById('result');
  
  function loadQuestion(questionIndex)
  {
  	var q = questions[questionIndex];
  	questionEl.textContent = (questionIndex + 1) + '. ' + q.question;
  	opt1.textContent = q.option1;
  	opt2.textContent = q.option2;
  	opt3.textContent = q.option3;
  	opt4.textContent = q.option4;
  };
  
  function loadNextQuestion()
  {
  	var selectedOption = document.querySelector('input[type=radio].checked');
  	if(!selectedOption)
  	{
  		alert('please select your answer!');
  		return;
  	}
  	var answer = selectedOption.value;
  	if(questions[currentQuestion].answer == answer)
  	{
  		score += 1;
  	}
  	selectedOption.checked = false;
  	currentQuestion++;
  	if(currentQuestion == totQuestions -1)
  	{
  		nextButton.textContent = 'Finish';	
  	}
  	if(currentQuestion == totQuestions)
  	{
  		container.style.display ='none';
  		resultCont.style.display ='';
  		resultCont.textContent = 'Your Score:' + score;
  		return;
  	}
  	loadQuestion(currentQuestion);
  }
  
  var questions = [
  {
  	"question": "What would be the behaviour if this() and super() used in a method?",
  	"option1" : "Runtime error",
  	"option2" : "Throws exception",
  	"option3" : "compile time error",
  	"option4" : "Runs successfully",
  	"answer": "3"
  },
  {
  	"question": "What would be behaviour if constructor has a return type?",
  	"option1" : "Compilation error",
  	"option2" : "Runtime error",
  	"option3" : "Compilation and runs successfully",
  	"option4" : "Only String return type is allowed",
  	"answer": "1"
  },
  {
  	"question": "Which of these keywords can be used to prevent Method overriding?",
  	"option1" : "static",
  	"option2" : "constant",
  	"option3" : "protected",
  	"option4" : "final",
  	"answer": "4"
  },
  {
  	"question": "Which of these is supported by method overriding in Java?",
  	"option1" : "bstraction",
  	"option2" : "Encapsulation",
  	"option3" : "Polymorphism",
  	"option4" : "None of the mentioned",
  	"answer": "3"
  },
  {
  	"question": "Which of these keyword must be used to inherit a class?",
  	"option1" : "super",
  	"option2" : "this",
  	"option3" : "extent",
  	"option4" : "extends",
  	"answer": "4"
  },
  {
  	"question": "Which of these methods is an alternative to getChars() that stores the characters in an array of bytes",
  	"option1" : "getchars()",
  	"option2" : "GetChars()",
  	"option3" : "Getchars()",
  	"option4" : "getChars()",
  	"answer": "4"
  },
  {
  	"question": "Which of these method of class StringBuffer is used to extract a substring from a String object?",
  	"option1" : "substring()",
  	"option2" : "Substring()",
  	"option3" : "SubString()",
  	"option4" : "None of the mentioned",
  	"answer": "1"
  },
  {
  	"question": "Which of these method of class StringBuffer is used to get the length of sequence of characters",
  	"option1" : "length()",
  	"option2" : "capacity()",
  	"option3" : "Length()",
  	"option4" : "Capacity()",
  	"answer": "1"
  },
  {
  	"question": "Which of the following are incorrect form of StringBuffer class constructor?",
  	"option1" : "StringBuffer()",
  	"option2" : "StringBuffer(int size)",
  	"option3" : "StringBuffer(String str)",
  	"option4" : "StringBuffer(int size , String str)",
  	"answer": "4"
  },
  {
  	"question": "Which of these process occur automatically by java run time system?",
  	"option1" : "Serialization",
  	"option2" :  "Memory allocation",
  	"option3" : "File Filtering",
  	"option4" : "Deserialization",
  	"answer": "4"
  },
  {
  	"question": "Which of these interface extends DataInput interface?",
  	"option1" : "Serializable"
  	"option2" : "Externalization"
  	"option3" : "ObjectOutput"
  	"option4" : "ObjectInput"
  	"answer": "4"
  },
  {
  	"question": "Which of these class extend InputStream class?",
  	"option1" : "ObjectStream",
  	"option2" : "ObjectInputStream",
  	"option3" : "ObjectOutput",
  	"option4" : "ObjectInput",
  	"answer": "2"
  }]

  	body{
  	font-family: cambria;
  	background: #F0FFFF;
  	
  }
  .container
  {
  	height: 330px;
  	width:1000px;
  	position: absolute;
  	top:50%;
  	left:50%;
  	transform: translateX(-50%) translateY(-50%);
  	background: rgba(225, 225, 225, 0.5);
  	padding: 20px;
  	border: 1px solid #08038C;
  	box-shadow: 0 0 8px 3px #fff;
  	border-radius: 10px;
  
  }
  .title
  {
  	padding-top: 0px;
  	text-align: center;
  	font-size: 36px;
  	text-transform: uppercase;
  	color: #08038C
  }
  .question
  {
  	padding: 20px;
  	font-size: 22px;
  	background: #5F4BBE;
  	border-radius: 20px;
  	margin:10px 0 10px 0;
  	color: #f6f6f6;
  }
  .option
  {
  	width: 470px;
  	display: inline-block;
  	padding: 10px 0 10px 15px;
  	vertical-align: middle;
  	background: #C37DDA;
  	margin: 10px 0 10px 10px;
  	color: #000000;
  	border-radius: 20px;
  }
  .option:hover
  {
  	background: #5F4BBE;
  	color: #f6f6f6;
  }
  .next-btn
  {
  	border:none;
  	outline: none;
  	background:#C37DDA;
  	width: 100px;
  	height: 35px;
  	border-radius: 20px;
  	cursor: pointer;
  	float:right;
  	margin: 10px;
  }
  .next-btn:hover
  {
   background: #5F4BBE;
   color: #f6f6f6;
  }
  .result
  {
  	height: 100px;
  	text-align: center;
  	font-size: 75px;	
  }
  
  .option input:checked.option
  {
  	background: #0803BC;
  	color: #000;
  }

  <!DOCTYPE HTML>
  <html>
  <head>
  <link rel="stylesheet" type="text/css" href="login.css">
  	<title>Test</title>
  </head>
  <body>
  	<div id="quizContainer" class="container">
  		<div class="title">Java Exam</div>
  		<div id="question" class="question"></div>
  		<label class="option"><input type="radio" name="option" value="1" /><span id ="opt1"></span></label> 
  
  		<label class="option"><input type="radio" name="option" value="2" /><span id ="opt2"></span></label> 
  
  		<label class="option"><input type="radio" name="option" value="3" /><span id ="opt3"></span></label> 
  
  		<label class="option"><input type="radio" name="option" value="4" /><span id ="opt4"></span></label>
  		
  		<button id="nextButton" class="next-btn" onclick="loadNextQuestion();">Next</button>
  	</div> 
  	<div id="result" class="conatainer result" style="display:none;">
  	</div>
  	<script src="question_script.js"></script>
  </body>
  </html>
• Jest: Test that function is called after setState

  How does one test that a function is called in the callback of Reactjs setState function.

  handleInputChange(field, value) {
    this.setState(
      {
        [field]: value,
      },
      () => {
        this.formIsValid(); //Test that this is called
      },
  );
  

  }

  Below is my test:

  test('it should call formIsValid', () => {
    const component = getShallowComponent();
    const mockFormIsValid = jest.fn();
  
    component.instance().handleInputChange('token', '132333');
    component.instance().formIsValid = mockFormIsValid;
  
    expect(mockFormIsValid).toBeCalled();
  });
  

  I expect that setState is resolved when using toBeCalled, but it does not work.
• How to display multi-line text on a single line

  I get a string from innerHtml. The string is on two lines, as you can see from the image I attached below:

  

  What I'm trying to do is to display it in one line. I've tried this, but it did not work:

  var dataToAdd = v.innerHTML.replace("\r\n", "" );
  
• Suppress deprecation warnings in Symfony 3

  I'm currently upgrading from Symfony 2.8 to 3.4 (we use only LTS releases).

  There are a lot of deprecations which will need some time to be resolved. In the meantime these messages cost a lot of memory in dev mode (sometimes even leading to OOM errors) and spam the logs (~3 MB per request), so I would like to disable them completely.

  So far I found only solutions for the log spam (configure Monolog), but not for the memory problem.

  There is NO call to Debug::enable(). Adding the call explicitly with appropriate error reporting level has no effect.

  Disabling error_reporting for E_USER_DEPRECATED has no effect.

  There is a similar question which got no responses: How to remove the deprecation warnings in Symfony 2.7? (the question is almost 3 years old, so I re-ask)

  I investigated the Symfony source, but saw no possibility for changes either, as everything around error handling seems to be static.
• creating a csv file from existing and non-existing data

  I'm really happy to meet you guys. you're awesome!

  So, i got a problem with query builder on laravel. In fact, i would like to create a csv file with non-existing data. I make a request with a timestamp and some data doesn't exist before. To create my csv i need to get the headers first with this function:

  public static function getHeaders($sTables) {
  
  
      $data = DB::connection('mysql2')
              ->table('data_sub_category')
              ->select('data_sub_category.designation as sub', 'data_key.designation as dkey')
              ->join('data_key', 'data_key.id_data_sub_category', '=', 'data_sub_category.id')
              ->whereIn('data_sub_category.id', $sTables)
              ->orderBy('data_sub_category.id', 'ASC')
              ->distinct()
              ->get();
  
      return $data;
  }
  

  And to get the data, I use this:

   public static function prepare_data_export($iIdCodeTransmetteur, $sTables, $dtStart, $dtEnd) {
  
      $data = DB::connection('mysql2')
              ->table('data_row')
              ->select('data_sub_category.designation as sub_d','data_sub_category.id as sub_id', 'data_key.designation as key_d','data_key.id as key_id','data_row.id_data as id_data', 'data_row.value', DB::raw("(DATE_FORMAT(FROM_UNIXTIME(timestamp), '%d/%m/%Y %h:%i:%s')) as timestamp"))
              ->join('data', 'data.id', '=', 'data_row.id_data')
              ->join('data_key', 'data_key.id', '=', 'data_row.id_data_key')
              ->join('data_sub_category', 'data_sub_category.id', '=', 'data_row.id_data_sub_category')
              ->join('data_category', 'data_category.id', '=', 'data_row.id_data_category')
              ->where('code_unique', $iIdCodeTransmetteur)
              ->whereIn('data_sub_category.id', $sTables)
              ->whereBetween('data.timestamp', array($dtStart, $dtEnd))
              ->orderBy('data.timestamp', 'ASC')
              ->orderBy('data_sub_category.id', 'ASC')
              ->orderBy('data_key.id','ASC')
              ->get();
  
      return $data;
  }
  

  this 2 function are in variables called:

      $getHeaders = Data::getHeaders($sTables);
      $results = Data::prepare_data_export($iIdCodeTransmetteur, $sTables, $dtStart, $dtEnd)->groupBy('id_data')->toArray();
  

  Then, I create the csv file, line by line, putting the values one after another, separated by a ','. At the end, the csv file looks like this:

  public function ajaxCreateCsv(Request $request) {
     ini_set('memory_limit', '-1');
     ini_set('max_execution_time', 900000); //15 minutes
  
  
     $bError = false;
     $messages_errors = array();
     $isSuccess = false;
  
     $aTables = $request->tables;
     $dtStart = $request->dtStart;
     $dtEnd = $request->dtEnd;
     $iIdCodeTransmetteur = $request->code_transmetteur;
  
     $sTables = [];
  
     /*
       for ($i=0; $i < count($dataRow); $i++) {
       $sRow .= $dataRow[$i]['value'] . ',';
       }
       $sRow = substr($sRow, 0, -1);
      */
  
     if ($aTables) {
         for ($i = 0; $i < count($aTables); $i++) {
             array_push($sTables, intval($aTables[$i]['value']));
         }
     } else {
         $aTables = Data::getAllGroupDataByIidForAjax($iIdCodeTransmetteur);
  
         for ($i = 0; $i < count($aTables); $i++) {
             array_push($sTables, intval($aTables[$i]->id));
         }
     }
  
  
     $getHeaders = Data::getHeaders($sTables);
     $result = Data::prepare_data_export($iIdCodeTransmetteur, $sTables, $dtStart, $dtEnd);
     $line = 'Date de réception, ';
     $last_timestamp = '01/01/2018 00:00:00';
  
  
     if (count($result) < 1) {
         $response_array['status'] = 'error';
         $error_message = $error_message . "Aucune données disponible pour ces dates";
         array_push($messages_errors, ["date", $error_message]);
     } else {
  
         foreach ($getHeaders as $key) {
             $array = $key->sub . '.' . $key->dkey;
             $line .= $array . ", ";
         }
         $line = substr($line, 0, -1);
  
         foreach ($result as $key) {
             $datetime = $key->timestamp;
             $value = $key->value;
  
             if ($datetime == $last_timestamp) {
                 if ($value == NULL) {
                     $value = "NULL";
                 }
                 $line .= $value . ", ";
                 $last_timestamp = $datetime;
             } else {
                 $line = substr($line, 0, -1);
                 $line .= "\n";
                 $line .= $datetime . ", ";
                 if ($value == NULL) {
                     $value = "NULL";
                 }
                 $line .= $value . ", ";
                 $last_timestamp = $datetime;
             }
         }
         $line = substr($line, 0, -1);
  
         $isSuccess = true;
     }
  
     if ($isSuccess == false) {
         $response_array['status'] = 'error';
         $response_array['messages'] = $messages_errors;
     } else {
         file_put_contents("file.csv", $line);
         $response_array['status'] = 'success';
     }
  
     return response()->json($response_array);
  

  The output csv file with data

  Now, the file looks great and all, and for most of it, you are right. Although, at the end of the line, some columns are empty. That is because in the database, for a precise timestamp, some data are non-existing

  The problem:

  the data_key receive apparent_wind_speed, true_wind_speed and water_speed from the request getHeader but for now we have no value for them. So, my csv doesn't create colums with the right values.

  id of values for two different timestamps, missing 92 to 94

  

  I can't find a way to fill the values, either in the csv file or the database, to get a "null" value where the value doesn't exist. I tried to use a LEFT JOIN in my request to force MySQL to run through all the ids, even the missing ones, but it can't seem to work.

  I hope you can find a way to help, I'll keep working on that and update the request.
• PHP, parse all classes of a specific namespace, and list all methods of theses classes

  I have some classes in a specific directory (by example src/faa/foo) and all theses class have the same namespace (App\faa\foo).

  I'm looking to find a proper way for list all methods of theses classes from a php script.

  I want do something like this :

  // list all class of this specific directory
  $classes = get_all_class_by_directory_location('src/faa/foo');
  // or
  $classes = get_all_class_by_namespace('App\foo\faa');
      // but that means I must include theses classes to my script isn't it ? I think it's an ugly way because I only need print methods name, I don't need use them in this script 
  
  foreach($classes as $class){
      print(get_methods($class));
  }
  

  What is the best approach for do what I want ? Does it exist a maintained community php package for do that ?

  My project follow the psr-4 convention, maybe this information is usefull..
• How to DOM target in jQuery?

  So, in JS I'd do something like.

  var subItems = document.querySelectorAll(".dropdown");
  

  Then target by "dropItem[0]" or a forEach loop. Now I'm also trying to do this in jQuery. By doing something like:

  $("p").click(function() {
    var dropwDown = $(this).find(".dropdown-contain");
    $(dropDown).show();
  });

  <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
  <div class="menu-dropdown">
    <div class="whisky">
      <p>Whisky</p>
      <div class="dropdown-contain">
        <ul class="dropdown">
          <li><a href="#">test</a></li>
          <li><a href="#">test</a></li>
          <li><a href="#">test</a></li>
          <li><a href="#">test</a></li>
        </ul>
      </div>
    </div>
    <div class="wine">
      <p>Wine</p>
      <div class="dropdown-contain">
        <ul class="dropdown">
          <li><a href="#">test</a></li>
          <li><a href="#">test</a></li>
          <li><a href="#">test</a></li>
          <li><a href="#">test</a></li>
        </ul>
      </div>
    </div>
    <div class="beer">
      <p>Beer</p>
      <div class="dropdown-contain">
        <ul class="dropdown">
          <li><a href="#">test</a></li>
          <li><a href="#">test</a></li>
          <li><a href="#">test</a></li>
          <li><a href="#">test</a></li>
        </ul>
      </div>
    </div>
    <div class="cocktail">
      <p>Cocktail</p>
      <div class="dropdown-contain">
        <ul class="dropdown">
          <li><a href="#">test</a></li>
          <li><a href="#">test</a></li>
          <li><a href="#">test</a></li>
          <li><a href="#">test</a></li>
        </ul>
      </div>
    </div>
  </div>

  However, that doesn't work. This is the HTML I'm trying to target. Then especially the dropdown class.
• Disable flip in Boostrap 4 Popover

  I would like the popover to always stick on the same position and doesn't change when scrolling: https://jsfiddle.net/eloyrubio/aq9Laaew/251011/

   var options = {
    placement: 'top',
    title: 'I should be on top',
    content: 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque lobortis nisl et metus varius lobortis. Sed sit amet posuere velit. Curabitur vel blandit mauris, a rutrum ante. Praesent sit amet orci viverra arcu sodales posuere.',
    html: false
  };
  
  $('#po1').popover(options).popover('show');
  

  image

  I am using Bootstrap 4.1.3 and I saw that Popover extends Tooltip: https://github.com/twbs/bootstrap/blob/v4-dev/js/src/popover.js#L70

  And here is the Tooltip code: https://github.com/twbs/bootstrap/blob/v4-dev/js/src/tooltip.js
• after AJAX content loads multiple scrips need to reload

  I am making an website where the menu runs with AJAX for an smooth page transition but i am running into the problem of having to reload my page after my AJAX because on the loaded content the does not get effected by the Javascript files.

  $.ajax({
    history.pushState(url, null, url_i_am_requesting);
    url: url_i_am_requesting,
    success: function(html) {
      var content = $('<div />').html(html).find('.page-wrapper');
      $('.page-wrapper').html(content);
    }
  });
  

  I have found that jQuery.getScript() works fine, but when I have around 10 Javascript files, is there a way to execute them all again after the AJAX has finished without calling them one by one?
• Use javascript to show data from sql as it is Typed in HTML form

  I'm working on a SQL database page to store data but I'm stuck at displaying data from sql as it is typed.

  Heres what html form looks like

  

  Now in above image, the 'Model Group' and 'Model Varient' Fields are readonly. Now I want to fill the two forms as soon as I type the VIN number. The typed vin number is already stored in sql database. Can anyone suggest what code should I use or some reference Documents? Google serach didn't help much with this one. Incase you need, the sql database looks like this:

  
• How to validate onkeyup event without again and again sending post request to route in larravel

  validate Activity function with Ajax code

  $(document).on('keyup','#activity_name',function () {
              var error_activity = '';
              var activity = $('#activity_name').val();
              var _token = $('input[name="_token"]').val();
              $.ajax({
                  type : 'post',
                  url : '{{ url('checkactivity') }}',
                  data :{activity:activity, _token:_token},
                  success:function (result) {
                      if(result == 'unique'){
                          $('#activity_status').html('<lable class="text-sucess" style="color: blue"></lable>');
                          $('#activity').removeClass('has-error');
                          $('#activity_btn').attr('disabled',false);
                      }
                      else
                      {
                          $('#activity_status').html('<lable class="text-danger">Try Another!</lable>');
                          $('#activity').addClass('has-error');
                          $('#activity_btn').attr('disabled','disabled');
                      }
                  }
              });
          });
  

  My input field and here he is always call an event Onkeyup when ever i enters a single word in my input field and on each word he is sending a post request.

  <div class="form-group">
                  <label for="checkbox">Group</label>
                  <select class="form-control form-control-sm"  id="activitygroup" name="activitydeleverable">
                      <option>Select</option>
                      @foreach(App\Groups::all() as $group_name)
                          <option value="{{ $group_name->id }}">{{ $group_name->name }}</option>
                      @endforeach
                  </select>      
              </div>
              <button type="submit" id="activity_btn" onclick="insertactivity()" class="btn btn-info">Insert</button>
  

  here is my Controller Function

  function checkactivity(Request $request){
      $data = Activities::whereName($request->activity)->first();
      if (!is_null($data)){
          echo 'not_unique';
      }
      else
      {
          echo 'unique';
      }
  }
  

  My code is work perfect, but i have a problem. On each single word my onkeyup Event Ajax send a post request to db and check data is available in db or not. but i have to stop this to doing again and again Post request. it's may do slow my system so i have to solve this please solve this logical issue i have to stop this Post requests or need only one post request. You can see no of request in image
• How to Display two TextBox values in one TextBox

  

  How to show two textbox values in one textbox

  I don't want to add or multiply only display the Value that I entered in the textbox
• allow only numbers and slash in textbox vba

  The following code allows only numbers to be typed in TextBox1. But TextBox1 is for insertion of history (Date) and I want to with format "0000/00/00". How can I exclude "/" from IsNumeric In the error message?

  Private Sub textbox1_Change()
  If Not IsNumeric(TextBox1.Value) Then
     MsgBox "only numbers allowed"
     With TextBox1
    .SetFocus
    .SelStart = 0
    .SelLength = Len(.Text)
     End With
  End If
  Dim strTemp As String
  If TextBox1.TextLength = 8 Then
    Me.TextBox1.Value = Format(Me.TextBox1.Value, "0000/00/00")
  End If
  End Sub
  
• Text box stops updating after a condition occurs

  In this program, whenever any of the statements under else occur, it doesn't go back to state 0 and perform the actions in that state, which is what I'm trying to do. Instead, the txtStatus, and txtScore boxes just continue to display "Roll again!" which is what is displayed when jumping to state 2. What am I doing wrong here?

     int die1 = 0;
      int die2 = 0;
      int total = 0;
      int state = 0;
      int point = 0;
      //int point2;
      int score = 0;
  
      //private int score;
      //private int state;
      public Form1()
      {
          InitializeComponent();
      }
  
      private void textBox2_TextChanged(object sender, EventArgs e)
      {
  
      }
  
      private void label2_Click(object sender, EventArgs e)
      {
  
      }
  
      private void textBox1_TextChanged(object sender, EventArgs e)
      {
  
      }
  
      private void pictureBox2_Click(object sender, EventArgs e)
      {
  
      }
  
      private void btnRoll_Click(object sender, EventArgs e)
      {
  
  
  
          picDie1L.Visible = false;
          picDie1R.Visible = false;
          picDie2L.Visible = false;
          picDie2R.Visible = false;
          picDie3L.Visible = false;
          picDie3R.Visible = false;
          picDie4L.Visible = false;
          picDie4R.Visible = false;
          picDie5L.Visible = false;
          picDie5R.Visible = false;
          picDie6L.Visible = false;
          picDie6R.Visible = false;
  
  
          Random rand = new Random();
          die1 = rand.Next(1, 7);
          die2 = rand.Next(1, 7);
          total = (die1 + die2);
  
          txtDie1.Text = die1.ToString();
          txtDie2.Text = die2.ToString();
          txtTotal.Text = total.ToString();
  
          {
              if (die1 == 1)
              {
                  picDie1L.Visible = true;
              }
              if (die1 == 2)
              {
                  picDie2L.Visible = true;
              }
              if (die1 == 3)
              {
                  picDie3L.Visible = true;
              }
              if (die1 == 4)
              {
                  picDie4L.Visible = true;
              }
              if (die1 == 5)
              {
                  picDie5L.Visible = true;
              }
              if (die1 == 6)
              {
                  picDie6L.Visible = true;
              }
              if (die2 == 1)
              {
                  picDie1R.Visible = true;
              }
              if (die2 == 2)
              {
                  picDie2R.Visible = true;
              }
              if (die2 == 3)
              {
                  picDie3R.Visible = true;
              }
              if (die2 == 4)
              {
                  picDie4R.Visible = true;
              }
              if (die2 == 5)
              {
                  picDie5R.Visible = true;
              }
              if (die2 == 6)
              {
                  picDie6R.Visible = true;
              }               
          if (state == 0)
              {
                  picPuck4.Visible = false;
                  picPuck5.Visible = false;
                  picPuck6.Visible = false;
                  picPuck8.Visible = false;
                  picPuck9.Visible = false;
                  picPuck10.Visible = false;
                  txtStatus.Text = string.Empty;
                  state = 1;
                  txtPoint.Text = string.Empty;
  
              }
          }
          if (state == 1)
  
  
          {
              if (total == 7 || total == 11)
              {
                  txtStatus.Text = "You are a winner!";
                  score++;
                  txtScore.Text = Convert.ToString(score);
                  state = 0;
  
              }
              if (total == 2 || total == 3 || total == 12)
              {
                  txtStatus.Text = "You lose. Play again!";
                  score--;
                  txtScore.Text = Convert.ToString(score);
                  state = 0;
  
              }
              if (total == 4 || total == 5 || total == 6 || total == 8 || total == 9 || total == 10 || total == 12)
              {
  
  
                  txtStatus.Text = "Roll again!";
                  point = int.Parse(txtTotal.Text);
                  txtPoint.Text = point.ToString();
                  state = 2;
  
                  if (total == 4)
                      picPuck4.Visible = true;
                  if (total == 5)
                      picPuck5.Visible = true;
                  if (total == 6)
                      picPuck6.Visible = true;
                  if (total == 8)
                      picPuck8.Visible = true;
                  if (total == 9)
                      picPuck9.Visible = true;
                  if (total == 10)
                      picPuck10.Visible = true;
  
  
  
              }
          }
          else        
          {
              if (point == total)
              {
                  txtStatus.Text = "You are a winner!";
                  score++;
                  txtScore.Text = Convert.ToString(score);
                  state = 0;
              }
              if (total == 7)
              {
                  txtStatus.Text = "You lose. Play again!";
                  score--;
                  txtScore.Text = Convert.ToString(score);
                  state = 0;
              }
              if (total != 7 || point != total)
              {
                  txtStatus.Text = "Roll again!";
                  state = 2;
              }
          }
  
  
  
  
      }
  }
  

  }