อยากรู้ว่าทำไมมันแสดงผลแค่บรรทัดเดียว ทั้งที่ในdatabaseมีมากกว่า1บรรทัด

<?
include('connect.php');

//*** Add Condition ***//
if($_POST["hdnCmd"] == "Add")
{
$strSQL = "INSERT INTO main_project ";
$strSQL .="(Mp_name,Cou_id,Bud_id,quar_id,Mp_budget,Mp_uesd,Mp_remain,Mp_note) ";
$strSQL .="VALUES ";
$strSQL .="('".$_POST["txtAddMp_name"]."' ";
$strSQL .=",'".$_POST["txtAddCou_id"]."' ";
$strSQL .=",'".$_POST["txtAddBud_id"]."' ";
$strSQL .=",'".$_POST["txtAddquar_id"]."' ";
$strSQL .=",'".$_POST["txtAddMp_budget"]."' ";
$strSQL .=",'".$_POST["txtAddMp_uesd"]."' ";
$strSQL .=",'".$_POST["txtAddMp_remain"]."' ";
$strSQL .=",'".$_POST["txtAddMp_note"]."')";
$objQuery = mysql_query($strSQL);
if(!$objQuery)
{
echo "Error Save [".mysql_error()."]";
}
//header("location:$_SERVER[PHP_SELF]");
//exit();
}

//*** Update Condition ***//
if($_POST["hdnCmd"] == "Update")
{
$strSQL = "UPDATE main_project SET ";
$strSQL .="Mp_id = '".$_POST["txtEditMp_id"]."' ";
$strSQL .=",Mp_name = '".$_POST["txtEditMp_name"]."' ";
$strSQL .=",Cou_id = '".$_POST["txtEditCou_id"]."' ";
$strSQL .=",Bud_id = '".$_POST["txtEditBud_id"]."' ";
$strSQL .=",quar_id = '".$_POST["txtEditquar_id"]."' ";
$strSQL .=",Mp_budget = '".$_POST["txtEditMp_budget"]."' ";
$strSQL .=",Mp_uesd = '".$_POST["txtEditMp_uesd"]."' ";
$strSQL .=",Mp_remain = '".$_POST["txtEditMp_remain"]."' ";
$strSQL .=",Mp_note = '".$_POST["txtEditMp_note"]."' ";
$strSQL .="WHERE Mp_id = '".$_POST["hdnEditMp_id"]."' ";
$objQuery = mysql_query($strSQL);
if(!$objQuery)
{
echo "Error Update [".mysql_error()."]";
}
//header("location:$_SERVER[PHP_SELF]");
//exit();
}

//*** Delete Condition ***//
if($_GET["Action"] == "Del")
{
$strSQL = "DELETE FROM main_project ";
$strSQL .="WHERE Mp_id = '".$_GET["Mp_id"]."' ";
$objQuery = mysql_query($strSQL);
if(!$objQuery)
{
echo "Error Delete [".mysql_error()."]";
}
//header("location:$_SERVER[PHP_SELF]");
//exit();
}

$strSQL = "SELECT * FROM main_project,course,budget,quarter 
where main_project.Cou_id=course.Cou_id 
AND main_project.Bud_id=budget.Bud_id
AND main_project.quar_id=quarter.quar_id";
$objQuery = mysql_query($strSQL) or die ("Error Query [".$strSQL."]");
?>
<form name="frmMain" method="post" action="<?=$_SERVER["PHP_SELF"];?>">
<input type="hidden" name="hdnCmd" value="">
<table width="1200" border="1">
<tr>
<th width="91"> <div align="center">รหัสโครงการหลัก </div></th>
<th width="98"> <div align="center">ชื่อโครงการหลัก </div></th>
<th width="70"> <div align="center">หลักสูตร </div></th>
<th width="90"> <div align="center">ประเภทงบประมาณ </div></th>
<th width="59"> <div align="center">ไตรมาส </div></th>
<th width="95"> <div align="center">จำนวนเงินประมาณที่ขอ</div></th>
<th width="90"> <div align="center">จำนวนเงินที่ใช้ไป</div></th>
<th width="90"> <div align="center">คงเหลือ ณ วันที่</div></th>
<th width="90"> <div align="center">หมายเหตุ</div></th>
<th width="30"> <div align="center">Edit </div></th>
<th width="30"> <div align="center">Delete </div></th>
</tr>
<?
	while($objResult = mysql_fetch_array($objQuery))
	{
?>
<?
	if($objResult["Mp_id"] == $_GET["Mp_id"] and $_GET["Action"] == "Edit")
	{
?>
<tr>
<td><div align="center">
<input type="text" name="txtEditMp_id" size="5" value="<?=$objResult["Mp_id"];?>">
<input type="hidden" name="hdnEditMp_id" size="5" value="<?=$objResult["Mp_id"];?>">
</div></td>
<td align="right"><input type="text" name="txtEditMp_name" size="20" value="<?=$objResult["Mp_name"];?>"></td>
<td align="right">
		<select name="txtEditCou_id" >
			<?php
			include("connect.php");
			$sql = "select * from course ORDER BY Cou_id ASC ";
			$query = mysql_query($sql);
			while($row = mysql_fetch_array($query))
			{
	          ?>
            <option value="<?=$row["Cou_id"];?>">
            <?=$row["Cou_name"];?></option>
            <?
			}
			?>
          </select></td>           
<td align="right"><select name="txtEditBud_id" >
            <?php
			include("connect.php");
			$sql = "select * from budget ORDER BY Bud_id ASC ";
			$query = mysql_query($sql);
			while($row = mysql_fetch_array($query))
			{
	          ?>
            <option value="<?=$row["Bud_id"];?>">
            <?=$row["Bud_name"];?></option>
            <?
			}
			?>
          </select></td>
<td align="right"><select name="txtEditquar_id" >
            <?php
			include("connect.php");
			$sql = "select * from quarter  ORDER BY quar_id ASC  ";
			$query = mysql_query($sql);
			while($row = mysql_fetch_array($query))
			{
	          ?>
            <option value="<?=$row['quar_id']?>">
            <?=$row['quar_name']?></option>
            <?
            }
			?>
          </select></td>
<td align="right"><input type="text" name="txtEditMp_budget" size="15" value="<?=$objResult["Mp_budget"];?>"></td>
<td align="right"><input type="text" name="txtEditMp_uesd" size="20" value="<?=$objResult["Mp_uesd"];?>"></td>
<td align="right"><input type="text" name="txtEditMp_remain" size="20" value="<?=$objResult["Mp_remain"];?>"></td></td>
<td align="right"><input type="text" name="txtEditMp_note" size="10" value="<?=$objResult["Mp_note"];?>"></td>
<td colspan="2" align="right"><div align="center">
<input name="btnAdd" type="button" id="btnUpdate" value="Update" OnClick="frmMain.hdnCmd.value='Update';frmMain.submit();">
<input name="btnAdd" type="button" id="btnCancel" value="Cancel" OnClick="window.location='<?=$_SERVER["PHP_SELF"];?>';">
</div></td>
</tr>
<?
}
else
{
?>
<tr>
<td><div align="center"><?=$objResult["Mp_id"];?></div></td>
<td align="right"><?=$objResult["Mp_name"];?></td>
<td align="right"><?=$objResult["Cou_name"];?></td>
<td align="right"><?=$objResult["Bud_name"];?></td>
<td align="right"><?=$objResult["quar_name"];?></td>
<td align="right"><?=number_format($objResult["Mp_budget"]);?></td>
<td align="right"><?=number_format($objResult["Mp_uesd"]);?></td>
<td align="right"><?=DateThai($objResult["Mp_remain"]);?></td>
<td align="right"><?=$objResult["Mp_note"];?></td>
<td align="center"><a href="<?=$_SERVER["PHP_SELF"];?>?Action=Edit&Mp_id=<?=$objResult["Mp_id"];?>">Edit</a></td>
<td align="center"><a href="JavaScript:if(confirm('Confirm Delete?')==true){window.location='<?=$_SERVER["PHP_SELF"];?>?Action=Del&Mp_id=<?=$objResult["Mp_id"];?>';}">Delete</a></td>
</tr>
<?
}
?>
<?
}
?>
<tr>
<td><div align="center"><input type="text" name="txtAddMp_ID" size="5"></div></td>
<td align="right"><input type="text" name="txtAddMp_name" size="20"></td>
<td align="right"><input type="text" name="txtAddCou_id" size="5"></td>
<td align="right"><input type="text" name="txtAddBud_id" size="15"></td>
<td align="right"><input type="text" name="txtAddquar_id" size="20"></td>
<td align="right"><input type="text" name="txtAddMp_budget" size="10"></td>
<td align="right"><input type="text" name="txtAddMp_uesd" size="10"></td>
<td align="right"><input type="text" name="txtAddMp_remain" size="15"></td>
<td align="right"><input type="text" name="txtAddMp_note" size="10"></td>
<td colspan="2" align="right"><div align="center">
<input name="btnAdd" type="button" id="btnAdd" value="Add" OnClick="frmMain.hdnCmd.value='Add';frmMain.submit();">
</div></td>
</tr>
</table>
</form>
<?
mysql_close($objConnect);
?>