我正在尝试通过PHP页面从MS sql中提取数据.我有一个有效的连接,我正在尝试一个简单的SELECT * FROM MyTable,但无论我做什么,sqlsrv_num_rows都是空白的!
这是我的代码:
- function connect() {
- $serverName = DB_HOST; //serverName\instanceName
- $connectionInfo = array( "Database"=>DB_NAME,"UID"=>DB_USER,"PWD"=>DB_PASSWORD);
- $this->connection = sqlsrv_connect( $serverName,$connectionInfo);
- sqlsrv_connect( $serverName,$connectionInfo);
- if( $this->connection ) {
- echo "<br>Connection established.<br />";
- }else{
- echo "<br>Connection could not be established.<br />";
- die( print_r( sqlsrv_errors(),true));
- }
- }
连接建立的回声正在工作所有AOK那里!
现在当我做一个简单的查询时:
- function query($sql) {
- if ($this->debug) {
- echo $sql . "<br />";
- }
- $this->sql = $sql;
- $this->recordset = sqlsrv_query($this->connection,$sql);
- if (!$this->recordset) {
- die('<br><br>Invalid query :<br><br><bold>' . $this->sql . '</bold><br><br>' . sqlsrv_errors());
- }
- echo "<br>rows = " . sqlsrv_num_rows($this->recordset);
我从上面的回声中得到了什么?有什么理由吗?或者你可以建议一个新的回声,我可以尝试调试这个?
我的数据库类中的所有代码都是从MysqL转换而来的,因此可能会有一些错误造成损坏!
我甚至尝试过一个超级简单的版本,所有代码在一起,它仍然是空白/假:
- $server = DB_HOST;
- $conn = sqlsrv_connect( $server,array( "Database"=>DB_NAME,"PWD"=>DB_PASSWORD) );
- $stmt = sqlsrv_query( $conn,"SELECT * FROM MyTable");
- $row_count = sqlsrv_num_rows($stmt);
- echo "<br>row count = " . $row_count;
- if ($row_count === false)
- echo "\nerror\n";
- else if ($row_count >=0)
- echo "\n$row_count\n";
- die;