[มือใหม่] php,html ทำหน้า login แบบหลายแท๊ป แต่พอกรอกข้อมูลแล้วมันไม่เก็บค่าไว้

	<section class="body-sign">
			<div class="center-sign">
				<a href="/" class="logo pull-left">
					<img src="test.png" height="70" />
				</a>
						
						<div class="row">
								<section class="panel form-wizard" id="w1">
										<div class="panel-actions">
											<a href="#" class="fa fa-caret-down"></a>
										</div>
						
								<h2 class="panel-title">Register</h2>
									<div class="panel-body panel-body-nopadding">
										<div class="wizard-tabs">
											<ul class="wizard-steps">
												<li class="active">
													<a href="#w1-account" data-toggle="tab" class="text-center">
														<span class="badge hidden-xs">1</span>
														Account
													</a>
												</li>
												<li>
													<a href="#w1-profile" data-toggle="tab" class="text-center">
														<span class="badge hidden-xs">2</span>
														Profile
													</a>
												</li>
												<li>
													<a href="#w1-confirm" data-toggle="tab" class="text-center">
														<span class="badge hidden-xs">3</span>
														Confirm
													</a>
												</li>
											</ul>
										</div>
										<form class="form-horizontal" novalidate="novalidate">
											<div class="tab-content">
												<div id="w1-account" class="tab-pane active">
													<div class="form-group">
														<label class="col-sm-4 control-label" for="txtusername">Username</label>
														<div class="col-sm-8">
															<input type="text" class="form-control input-sm" name="txtusername" id="txtusername" required>
														</div>
													</div>
													<div class="form-group">
														<label class="col-sm-4 control-label" for="password">Password</label>
														<div class="col-sm-8">
															<input type="password" class="form-control input-sm" name="password" id="password" minlength="6" required>
														</div>
													</div>
												</div>
												<div id="w1-profile" class="tab-pane">
													<div class="form-group">
														<label class="col-sm-4 control-label" for="txtfirst_name">First Name</label>
														<div class="col-sm-8">
															<input type="text" class="form-control input-sm" name="txtfirst_name" id="txtfirst_name" required>
														</div>
													</div>
													<div class="form-group">
														<label class="col-sm-4 control-label" for="txtlast_name">Last Name</label>
														<div class="col-sm-8">
															<input type="text" class="form-control input-sm" name="txtlast_name" id="txtlast_name" required>
														</div>
													</div>
												</div>
												<div id="w1-confirm" class="tab-pane">
													<div class="form-group">
														<label class="col-sm-4 control-label" for="email">Email</label>
														<div class="col-sm-8">
															<input type="text" class="form-control input-sm" name="email" id="email" required>
														</div>
													</div>
													<div class="form-group">
														<div class="col-sm-2"></div>
														<div class="col-sm-10">
															<div class="checkbox-custom">
																<input type="checkbox" name="terms" id="w1-terms" required>
																<label for="w1-terms">I agree to the terms of service</label>
															</div>
														</div>
													</div>
												</div>
											</div>
										</form>
									</div>
									<div class="panel-footer">
										<ul class="pager">
											<li class="previous disabled">
												<a><i class="fa fa-angle-left"></i> Previous</a>
											</li>
											<li class="finish hidden pull-right">
												<input type="submit" name="submit" value="submit">
											</li>
											<li class="next">
												<a>Next <i class="fa fa-angle-right"></i></a>
											</li>
										</ul>
										<p class="text-center mt-lg">Remembered? <a href="Signin.php">Sign In!</a>
									</div>
								</section>

							</div>
			</div>
		</section>

		<?php
		if( $_POST["txtusername"] != "")
		{
			if( $_POST["password"] != "")
			{
				if( $_POST["txtfirst_name"] != "")
				{
					if( $_POST["txtlast_name"] != "")
					{
						if( $_POST["email"] != "")
						{
				
						$servername = 'localhost\SQLEXPRESS';			
						$db = 'Userlogin';															
						$user = 'sa';																
						$pass = 'P@ssw0rd';												

						$objConnect = mssql_connect($servername,$user,$pass) or die('can\'t connect to server');
						$strSQL = mssql_select_db($db, $objConnect) or die('can\'t connect to Database');

						$selected = mssql_select_db($db, $objConnect)
						  or die("Couldn't open database $myDB"); 

						$strSQL = "INSERT INTO register ";
						$strSQL .="(username,password,first_name,last_name,email) ";
						$strSQL .="VALUES ";
						$strSQL .="('".$_POST["txtusername"]."','".$_POST["password"]."','".$_POST["txtfirst_name"]."' ";
						$strSQL .=",'".$_POST["txtlast_name"]."','".$_POST["email"]."') ";
						$objQuery = mssql_query($query,$objConnect);

						}
					}
				}
			}
		}
		else	{
			  echo "Not found data";
		}

		if($objQuery)
		{
			mssql_close($objConnect);
		}
		?>