sqlsrv_has_rows

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sqlsrv_has_rows — Indicates whether the specified statement has rows

说明

bool sqlsrv_has_rows ( resource $stmt )

Indicates whether the specified statement has rows.

参数

stmt: A statement resource returned by sqlsrv_query() or sqlsrv_execute() .

返回值

Returns TRUE if the specified statement has rows and FALSE if the statement does not have rows or if an error occurred.

范例

Example #1 sqlsrv_has_rows() example

  <?php
$server  =  "serverName\sqlexpress" ;
 $connectionInfo  = array(  "Database" => "dbName" ,  "UID" => "username" ,  "PWD" => "password"  )
 $conn  =  sqlsrv_connect (  $server ,  $connectionInfo  );

 $stmt  =  sqlsrv_query (  $conn ,  "SELECT * FROM Table_1" );

if ( $stmt ) {
    $rows  =  sqlsrv_has_rows (  $stmt  );
   if ( $rows  ===  true )
      echo  "There are rows. <br />" ;
   else 
      echo  "There are no rows. <br />" ;
}
 ?>

参见

sqlsrv_num_rows() - Retrieves the number of rows in a result set
sqlsrv_query() - Prepares and executes a query.