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SQL Server FAQ - mssql_get_last_message() - Retrieving Error Messages

By: FYIcenter.com

(Continued from previous topic...)

How To Retrieve Error Messages using mssql_get_last_message()?

When you call mssql_query() to execute a SQL statement, and the execution failed on the SQL Server, you can use mssql_get_last_message() function to retrieve the error messages.

The tutorial script below shows you a good example:

  $con = mssql_connect('LOCALHOST','sa','FYIcenter');
  mssql_select_db('FyiCenterData', $con);

  # dropping a table
  $sql = 'DROP TABLE fyi.center';
  $res = mssql_query($sql, $con);
  if (!$res) {
    print("Execution failed:\n");
    print("   Error: ".mssql_get_last_message()."\n");
  } else {
    print("Execution was successful.\n");


If you run this script for the first time, you will get this output:

Execution was successful.

If you run this script again, the SQL statement will fail on the SQL Server, and you will get:

Warning: mssql_query(): message: Cannot drop the table 
'fyi.center', because it does not exist or you do not 
have permission. (severity 11) in C:\test\fyi-center.php 
on line 7

Execution failed:
   Error: Cannot drop the table 'fyi.center', because 
it does not exist or you do not have permission.

(Continued on next topic...)

  1. How To Download and Install PHP on Windows?
  2. How To Check Your PHP Installation?
  3. What Do You Need to Connect PHP to SQL Server?
  4. How to Turn on the MSSQL API Module?
  5. What Is Wrong with SQL Server Client Libarary DLL, ntwdblib.dll?
  6. What Happens If ntwdblib.dll Is Missing on Your Machine?
  7. Where to Find ntwdblib.dll Version 2000.80.194.0?
  8. How To Connect with Different Port Numbers?
  9. What Are Commonly Used MSSQL Functions in PHP?
  10. How To Disconnect from a SQL Server using mssql_close()?
  11. How To Select an Exiting Database using mssql_select_db()?
  12. How To Execute a SQL Statement using mssql_query()?
  13. How To Retrieve Error Messages using mssql_get_last_message()?
  14. How To Turn Off Warning Messages during PHP Execution?
  15. How To Receive Returning Result from a Query?
  16. How To Loop through Result Set Objects using mssql_fetch_array()?
  17. How To Retrieve Field Values using mssql_result()?
  18. How To List All Field Names in the Result Set using mssql_field_name()?

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