[NullReferenceException: 未将对象引用设置到对象的实例。]
SqlHelper..cctor() in f:\usr\localuser\qyw1475840001\App_Code\SqlHelper.cs:17
[TypeInitializationException: “SqlHelper”的类型初始值设定项引发异常。]
SqlDataAccess.GetProvinceInfo() in f:\usr\localuser\qyw1475840001\App_Code\SqlDataAccess.cs:34
regist2.Page_Load(Object sender, EventArgs e) in f:\usr\localuser\qyw1475840001\regist2.aspx.cs:27
System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +14
System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +35
System.Web.UI.Control.OnLoad(EventArgs e) +99
System.Web.UI.Control.LoadRecursive() +50
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +627
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