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Delete statement not working

Posted on 2007-04-06
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Last Modified: 2007-04-06
This SQL statement is removing the selected provider from the db.  Can one of you tell me what is wrong?

$strSQL_Delete = mysql_query("DELETE FROM tblAdspace WHERE providerID =" . $_GET['providerID']);
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Question by:pingeyeg
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9 Comments
 
LVL 24

Expert Comment

by:glcummins
ID: 18863644
"This SQL statement is removing the selected provider from the db"

It looks like a delete statement, so I assume it is performing as expected. What result were you expecting?
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LVL 1

Author Comment

by:pingeyeg
ID: 18863657
It's no deleting the provider from the db.  I keep getting the confirmation message, but when I look into the database, that user is still there.  I'm wondering if it has to do with something else on the page.
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LVL 24

Expert Comment

by:glcummins
ID: 18863675
Try this modifcation to get a little more error reporting:

<?php

if (isset($_GET['providerID']) && !empty($_GET['providerID']))
{
      $sqlDelete = "DELETE FROM tblAdspace WHERE providerID =" . $_GET['providerID'];

      $strSQL_Delete = mysql_query($sqlDelete) or die("An error was encountered while performing the following query: $sqlDelete.<br />The MySQL error was: " . mysql_error());

      if (!mysql_affected_rows())
      {
            die("No matching records were found for providerID=" . $_GET['providerID']);
      }
}
else
{
      die("Please provide a providerID.");
}

?>
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LVL 1

Author Comment

by:pingeyeg
ID: 18863773
I got "Please provide a providerID." with your statement.  Does that mean the providerID is not being passed from the prior page, because I have a hidden field there to send over to this page?
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LVL 24

Accepted Solution

by:
glcummins earned 2000 total points
ID: 18863786
Either the field is not being passed, or it is being passed with an empty value. You might want to load the previous page in your browser and then view the HTML source  to ensure that a value is being set in that hidden field.
0
 
LVL 1

Author Comment

by:pingeyeg
ID: 18863832
Ok, I saw my error, I wasn't setting the variable correctly and it is being passed correctly, but still nothing.
0
 
LVL 24

Expert Comment

by:glcummins
ID: 18863848
>>but still nothing

What is happening now? Does the script complete without any feedback, or are you getting an error?
0
 
LVL 1

Author Comment

by:pingeyeg
ID: 18863866
Ok, I got it.  I guess I was using the wrong function to get what I needed.  Thanks!
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LVL 24

Expert Comment

by:glcummins
ID: 18863873
Happy to help! If we can help again, let us know.
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