兄弟,我是一初学者,为什么我打开的时候提示:<br/> <br/>“/gh”应用程序中的服务器错误。 <i>未将对象引用设置到对象的实例。</i> <font face="Arial, Helvetica, Geneva, SunSans-Regular, sans-serif"><b>说明: </b>执行当前 Web 请求期间，出现未处理的异常。请检查堆栈跟踪信息，以了解有关该错误以及代码中导致错误的出处的详细信息。 <br/><br/><b>异常详细信息: </b>System.NullReferenceException: 未将对象引用设置到对象的实例。<br/><br/><b>源错误:</b> <br/><br/><table class="t_table" cellspacing="1" cellpadding="4" style="width:98%;background: #ffffcc;"><tr><td>行 26:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Config config = new Config();行 27:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ConfigSystem configSystem = new ConfigSystem();<font color="red">行 28:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; config = configSystem.Get_Config();</font>行 29:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Abouts.Text = config.About;行 30:&nbsp;&nbsp;&nbsp;&nbsp; }</td></tr></table><br/><b><font face="Verdana">源文件: </font></b>c:\Inetpub\wwwroot\XinyuNews\web\about.aspx.cs<b><font face="Verdana">&nbsp;&nbsp;&nbsp;&nbsp;行: </font></b>28 <br/><br/><b><font face="Verdana">堆栈跟踪:</font></b> <br/><br/><table class="t_table" cellspacing="1" cellpadding="4" style="width:98%;background: #ffffcc;"><tr><td>[NullReferenceException: 未将对象引用设置到对象的实例。]&nbsp;&nbsp; DAL.ConfigSQL.Get_Config() in E:\qy\DAL\ConfigSQL.cs:56&nbsp;&nbsp; BLL.ConfigSystem.Get_Config() in E:\qy\BLL\ConfigSystem.cs:32&nbsp;&nbsp; about.BinData() in c:\Inetpub\wwwroot\XinyuNews\web\about.aspx.cs:28&nbsp;&nbsp; about.Page_Load(Object sender, EventArgs e) in c:\Inetpub\wwwroot\XinyuNews\web\about.aspx.cs:21&nbsp;&nbsp; System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +15&nbsp;&nbsp; System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +34&nbsp;&nbsp; System.Web.UI.Control.OnLoad(EventArgs e) +99&nbsp;&nbsp; System.Web.UI.Control.LoadRecursive() +47&nbsp;&nbsp; System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1061</td></tr></table></font>这个错误???