<?php
      error_reporting(E_ALL); ini_set('display_errors', 1);
      if(isset($_POST['submit']))
      {
        $sql = "UPDATE member SET MFirst='".$_POST["MFirst"]."', MLast='".$_POST["MLast"]."',Street='".$_POST["Street"]."'
        ,number='".$_POST["number"]."',postalCode='".$_POST["postalCode"]."',Mbirthdate='".$_POST["Mbirthdate"]."'
        WHERE memberID='".$_POST["memberID"]."'";

        $result = mysqli_query($conn,$sql);
      }

      ?>

<FORM METHOD="post" ACTION="update.php">
        <div class="input-group">
            <label>Member Id</label>
            <INPUT TYPE="text" name="memberID" SIZE="30">
        </div>
        <div class="input-group">
             <label>First Name</label>
             <INPUT TYPE="text" name="MFirst" SIZE="30">
        </div>
        <div class="input-group">
              <label>Last Name</label>
              <INPUT TYPE="text" name="MLast" SIZE="30">
        </div>
        <div class="input-group">
          <label>Street Name</label>
          <INPUT TYPE="text" name="Street" SIZE="30">
        </div>
        <div class="input-group">
          <label>Street Number</label>
          <INPUT TYPE="number" name="number" min=0 SIZE="30">
        </div>
        <div class="input-group">
           <label>Postal Code</label>
           <INPUT TYPE="number" name="postalCode" min=0 SIZE="30">
        </div>
        <div class="input-group">
             <label>Birth Day</label>
             <INPUT TYPE="date" name="Mbirthdate" SIZE="30">
        </div>

          <button class="btn" TYPE="submit" name="submit">Submit Info </button>
          <button class="btn" TYPE="reset" name="Reset">Reset </button>