private void toolStripOpen_Click(Object sender, EventArgs e)
{
    //初始化工作空间
    Workspace workspace= new Workspace();
    //打开工作空间文件
    WorkspaceConnectionInfo infomation = new WorkspaceConnectionInfo();

    //设置工作空间连接信息
    infomation.Name = "test";                             
    infomation.Type = WorkspaceType.SQL;
    infomation.Server = "supermap";
    infomation.Database = "ugo";
    infomation.User = "ugo";
    infomation.Password = "ugo";
    infomation.Driver = "";

    //打开工作空间
    workspace.Open(infomation);

    //判断工作空间中是否有地图
    if (workspace.Maps.Count == 0)
    {
        MessageBox.Show("当前工作空间中不存在地图!");
        return;
    }
    //获取工作空间中的地图
     Map map = new Map(workspace);

     //打开指定的地图
     map.Open(workspace.Maps[0]);

    workspace.Dispose();
 }