我尝试从SQL Server获取DataTime时出现问题

Question

我正在尝试使用php从sql获取数据。但是检索日期值时出现错误500。检索其他类型的数据时没有错误。
谁能告诉我为什么会这样？

单元格中的值：“ 1999/12/31 16：01：05.000”

Windows Server

$tsql = "
    SELECT 
        ProgramName, 
        RepeatID, 
        Round(ScrapFraction*100,2) As Yeld, 
        MachineName, 
        Round(CuttingTime*60,2) AS CuttingTimeMins,
        PostDateTime,
        PostedByUserID, 
        Thickness, 
        Material, 
        PostDateTime 
    FROM 
        dbo.Program";

/* Execute the query. */

$stmt = sqlsrv_query( $conn, $tsql);    

if ( $stmt )    
{    
     //echo "Statement executed.<br>\n";    
}     
else     
{    
     echo "Error in statement execution.\n";    
     die( print_r( sqlsrv_errors(), true));    
}    
echo "<Table width='1200' border='1'>";
    echo "<tr>";
    echo "<Td>Program Name</td>";
    echo "<Td>Repeat</td>";
    echo "<Td>Yeld</td>";
    echo "<Td>MachineName</td>";
    echo "<Td>Cutting Time</td>";
    echo "<Td>PostedBy</td>";
    echo "<Td>Thickness</td>";
    echo "<Td>Material</td>";
    echo "<Td>data</td>";
    echo "</tr>";
while( $row = sqlsrv_fetch_array($stmt))    
{  

    echo "<tr>";
    echo "<Td><a href='xa.php?revice=".$row['ProgramName']."'>".$row['ProgramName']."</a></td>";
    echo "<Td><center>".$row['RepeatID']."</center></td>";
    echo "<Td><center>".$row['Yeld']."%</center></td>";
    echo "<Td>".$row['MachineName']."</td>";
    echo "<Td>".$row['CuttingTimeMins']."</td>";
    echo "<Td><center>".$row['PostedByUserID']."</td>";
    echo "<Td><center>".$row['Thickness']."</center></td>";
    echo "<Td><center>".$row['Material']."</center></td>";
    echo "</tr>";
}
/* Free statement and connection resources. */    
sqlsrv_free_stmt( $stmt);    
sqlsrv_close( $conn);