รบกวนช่วยดูโค้ดหน่อยครับ เรื่องการส่งค่าจาก form ไปเก็บลงฐานข้อมูล

	<meta charset="utf-8">
	<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no"> 
    
<form method="post" action="savemenu.php">
<form id="form1" name="form1" method="post" action="savemenu.php">
  <table width="100%" border="0" cellspacing="0" cellpadding="0">
    <tr>
      <td colspan="2" align="center">หน้าบันทึกรายการอาหาร</td>
    </tr>
    <tr>
      <td width="50%" align="center">&nbsp;</td>
      <td width="50%" align="center">&nbsp;</td>
    </tr>
    <tr>
      <td align="right">Menu_id : </td>
      <td align="left"><label for="menu_id"></label>
      <input name="menu_id" type="text" id="txtmenu_id" size="30" /></td>
    </tr>
    <tr>
      <td align="right">&nbsp;</td>
      <td align="left">&nbsp;</td>
    </tr>
    <tr>
      <td align="right">Menu_name : </td>
      <td align="left"><label for="txtmenu_name"></label>
      <input name="txtmenu_name" type="text" id="txtmenu_name" size="30" /></td>
    </tr>
    <tr>
      <td align="right">&nbsp;</td>
      <td align="left">&nbsp;</td>
    </tr>
    <tr>
      <td align="right">Menu_price : </td>
      <td align="left"><label for="txtmenu_price"></label>
      <input name="txtmenu_price" type="text" id="txtmenu_price" size="30" /></td>
    </tr>
    <tr>
      <td align="right">&nbsp;</td>
      <td align="left">&nbsp;</td>
    </tr>
    <tr>
      <td align="right">Menu_pic : </td>
      <td align="left"><label for="txtmenu_pic"></label>
      <input name="txtmenu_pic" type="text" id="txtmenu_pic" size="30" /></td>
    </tr>
    <tr>
      <td align="right">&nbsp;</td>
      <td align="left">&nbsp;</td>
    </tr>
    <tr>
      <td align="right">Category_id : </td>
      <td align="left"><select name="category_id" id="category_id">
        <option value="1">1.อาหาร</option>
        <option value="2">2.เครื่องดื่ม</option>
      </select></td>
    </tr>
    <tr>
      <td colspan="2" align="center">&nbsp;</td>
    </tr>
    <tr>
      <td colspan="2" align="center"><input name="Submit" type="submit" value="send" /></td>
    </tr>
  </table>
</form>

	<meta charset="utf-8">
	<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no"> 
    
<?php
if(trim($_POST["txtmenu_id"]) == "")
	{
		echo "กรุณาใส่เมนูไอดี";
		exit();	
	}
	
	if(trim($_POST["txtmenu_name"]) == "")
	{
		echo "กรุณาใส่ชื่อเมนู";
		exit();	
	}	
		
	if($_POST["txtmenu_price"] == "")
	{
		echo "กรุณาใส่ราคาอาหาร";
		exit();
	}		
	
	if($_POST["txtmenu_pic"] == "")
	{
		echo "กรุณาใส่ url รูปอาหาร";
		exit();
	}
	
	if($_POST["category_id"] == "")
	{
		echo "กรุณาเลือกประเภทอาหาร";
		exit();
	}
	
$objConnect = mysql_connect("localhost","root","1234") or die("Error Connect to Database");
$objDB = mysql_select_db("db_restaurant");
$strSQL = "INSERT INTO menu ";
$strSQL .="(menu_id,menu_name,menu_price,menu_pic,category_id) ";
$strSQL .="VALUES ";
$strSQL .="('".$_POST["txtmenu_id"]."','".$_POST["txtmenu_name"]."','".$_POST["txtmenu_price"]."' ";
$strSQL .=",'".$_POST["txtmenu_pic"]."','".$_POST["category_id"]."') ";
$objQuery = mysql_query($strSQL);
if($objQuery)
{
	echo "บันทึกข้อมูลเรียบร้อย.";
}
else
{
	echo "บันทึกข้อมูลผิดพลาด [".$strSQL."]";
}
mysql_close($objConnect);
?>