<div class="col-lg-6">
                                    <?php 
$mode = $_REQUEST["mode"];
$retention_id = $_REQUEST["id"];
$action = $_REQUEST["action"];
$table = "retention";
$tbl_id = "retention_id";
$db = new db_transactions();
if ($mode == "retention") {
    $studyid = $_POST['studyid'];
    $hiv_visit = $_POST['hiv_visit'];
    $next_visit = $_POST['next_visit'];
    $btn = $_POST['btn'];
    $retention = array($studyid, $hiv_visit, $next_visit);
    if ($btn == "submit") {
        if ($db->insertRentention($retention) > 0) {
            echo '<label class="control-label" for="inputSuccess">Women Retention recorded successfully</label> <br \\> Return to <a href="dashboard.php" >Dashboard</a>';
        } else {
            echo '<label class="control-label" for="inputError">Women Retention was not recorded.</label><br \\>Return to <a href="dashboard.php" >Dashboard</a>';
        }
    } else {
        if ($btn == "update") {
            if ($db->editRentention($retention, $retention_id) > 0) {
                echo '<label class="control-label" for="inputSuccess">Women  Retention recorded successfully</label> <br \\> Return to <a href="dashboard.php" >Dashboard</a>';
            } else {
                echo "id = " . $retention_id;
                echo '<label class="control-label" for="inputError">Women Retention was not recorded.</label><br \\>Return to <a href="dashboard.php" >Dashboard</a>';
            }
        }
    }
}