Can anybody help "$_POST" Related error

[chandee77]

Hay..Friends,

I'm bit new to PHP and I do project with PHP

I Used following cod segment to validate user name and Password,

It work earlier.After some time(I do some other jobs) It is not working,

the" $_POST["User Name"];"  just pass null.

''''''''''''''''''''''''''''

$Uname=$_POST["User Name"];

$conn=odbc_connect('login','sa','1234');

if (!$conn)

  {exit("Connection Failed: " . $conn);}

$sql="SELECT password,Username FROM Users where Username='$Uname'" ;

$rs=odbc_exec($conn,$sql);

'''''''''''''''''''''''''''''''''''''''''''''''''''

Could anybody same me..Please.

[bwcc]

My first guess would be that the form has changed that specifies the "User Name" field.  Check the form and make sure the text field is still named "User Name" - keep in mind that it is also case sensitive.