BBnepal-Accounts/application/views/admin/ae_exam.php

<style>
	form label.error, #secNameerr {
		color : red;
	}
</style>
<main class="wraper responsive-width" id="main">
	<!----admin template Exam---->
	<div class="admin_tempblock">
		<div class="admin_tempsec">
			<div class="admin_sec">

				<form action="<?php echo base_url() ?>admin/ae-exam/<?php echo $id ?>"  method="post" id="examForm">

				<?php if($id == 0) {?>
						<div class="subsec_sec">
							<div class="subject_l">
								<div class="subject_lsec">
									<div class="subject_lhead"><?php echo $title ?></div>
									<div class="subject_lformarea">
										<div class="form-group">
											<label for="">Exam Name<span class="text-danger font-weight-bold">*</span></label>
											<input type="text" name="e_name" class="form-control" placeholder="Name of the exam">
											<label id="secNameerr" style="display : none"></label>
										</div> 
										<div class="form-group">
											<label for="">Status<span class="text-danger font-weight-bold">*</span></label>
											<select name="is_active" class="form-control">
												<option selected disable value="">Choose exam status</option>
												<option value="yes">Yes</option>
												<option value="no">No</option>
											</select>
										</div>
										<input type="submit" class="subject_addbtn" value="Save">
										<a href="<?= base_url(); ?>admin/exam-view"><button type="button" class="subject_addbtn bg-dark ml-2">Back</button></a>
									</div>
								</div>
							</div>
						</div>
					</form>
				<?php } else { foreach ($result as $key => $value) {
					?>

						<div class="subsec_sec">
							<div class="subject_l">
								<div class="subject_lsec">
									<div class="subject_lhead"><?php echo $title ?></div>
									<div class="subject_lformarea">
										<div class="form-group">
											<label for="">Exam <span class="text-danger font-weight-bold">*</span></label>
											<input type="text" name="e_name" value="<?php echo $value['e_name'] ?>" class="form-control" placeholder="Name of the exam">
											<label id="secNameerr" style="display : none"></label>
										</div>
										<div class="form-group">
											<label for="">Status<span class="text-danger font-weight-bold">*</span></label>
											<select name="is_active" class="form-control">
												<option selected value="<?php echo $value['is_active'] ?>"><?php echo $value['is_active'] ?></option>
												<?php if($value['is_active'] == 'yes') { ?>
													<option value="no">no</option>
												<?php } else {?>
													<option value="yes">yes</option>
												<?php } ?>
											</select>
										</div>

										<input type="submit" class="subject_addbtn" value="Update">
										<a href="<?= base_url(); ?>admin/exam-view"><button type="button" class="subject_addbtn bg-dark ml-2">Back</button></a>
									</div>
								</div>
							</div>

						</div>
					</form>

				<?php } }?>
			</div>
		</div>
	</div>
	<!----admin template Exam end---->
</main>
<!--End right-top side-->


<script>
	$(document).ready(function(){

		jQuery.validator.addMethod("inputregx", function(value, element) {
            return this.optional(element) || /^[a-zA-Z0-9 ]{3,50}$/.test(value);
        }, 'Please enter alpha and numeric characters only ');
		

		$("#examForm").validate({

			rules: {
				e_name: {
					required: true,
					inputregx: true,
					minlength: 1
				},
				is_active : "required"
			},
			messages: {

				e_name: {
					required: "Please provide a Exam name",
					minlength : "Please enter more than 4 Characters"
				},
				is_active :  'Please select the status of Exam'

			},
			submitHandler: function(form) {

				var inputValue = $("input[name='e_name']",form).val();
				inputValue = inputValue.toLowerCase();

				let flag = false;

				$.ajax({
					url : '<?php echo base_url() ?>admin/check-exam-name',
					data : {
						value : inputValue
					},
					type : 'POST',
					async : false,
					success: function(data){
						
						if (data == '[]') {
							flag = true;
						}
						let response = JSON.parse(data);

						$.each(response, function(key, value) {
							let item = value['name'].toLowerCase();
							if(inputValue === item) {
								console.log('inside second');
								flag = false;
								return flag;
							} else {
								flag = true;
							}

						});
								

					}

				});


				if(flag) {	
					form.submit();
				} else {
					$('#secNameerr').show();
					$('#secNameerr').text('This Exam name already exists.');
				}
				

			}
		});

	});
</script>