我对 android 有点陌生。事情是我编写了一个 vb 代码来将一些数据上传到 SQL 服务器,包括一个图像。所以我想创建一个 android 应用程序来通过创建一个带有主条目的下拉列表来查看这些数据数据库..所以每当我从下拉列表中选择某些内容时,它都应该显示其余的列..对不起我的英语,但我希望你们明白这一点。
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
public void query2() {
Log.i("Android"," MySQL Connect Example.");
Connection conn = null;
try {
String driver = "net.sourceforge.jtds.jdbc.Driver";
Class.forName(driver).newInstance();
//test = com.microsoft.sqlserver.jdbc.SQLServerDriver.class;
String connString = "jdbc:jtds:sqlserver:// AMD/SQLEXPRESS :1433/***********;encrypt=fasle;user=*******;password=*********;instance=SQLEXPRESS;";
String username = "Shawtari";
String password = "";
conn = DriverManager.getConnection(connString,username,password);
Log.w("Connection","open");
Statement stmt = conn.createStatement();
ResultSet forest = stmt.executeQuery("select * from aspnet_Users");
//Print the data to the console
while(forest.next()){
Log.w("username",forest.getString(3));
}
conn.close();
} catch (Exception e) {
Log.w("Error connection","" + e.getMessage());
}
}
}