当前：Asp.net源码《企业内部文档管理系统源码》的评论[查看所有]<br/>点击''系统管理-&gt;静态数据''时出现下面这些是怎么回事？<br/>Server Error in '/Manager' Application. <br/><br/>Object reference not set to an instance of an object. //未将对象引用到设置<br/><br/>Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.<br/>Source Error: <br/>An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.&nbsp;&nbsp;<br/>Stack Trace: <br/>[NullReferenceException: Object reference not set to an instance of an object.]&nbsp;&nbsp; DocAdmin.USL.Values_Admin.InitDtFromTree(String index) in D:\books\Source\DocAdmin\USL\Sys_ValuesAdmin.aspx.cs:289&nbsp;&nbsp; DocAdmin.USL.Values_Admin.InitData() in D:\books\Source\DocAdmin\USL\Sys_ValuesAdmin.aspx.cs:93&nbsp;&nbsp; DocAdmin.USL.Values_Admin.Page_Load(Object sender, EventArgs e) in D:\books\Source\DocAdmin\USL\Sys_ValuesAdmin.aspx.cs:61&nbsp;&nbsp; System.Web.UI.Control.OnLoad(EventArgs e) +67&nbsp;&nbsp; System.Web.UI.Control.LoadRecursive() +35&nbsp;&nbsp; System.Web.UI.Page.ProcessRequestMain() +731 <br/>Version Information: Microsoft .NET Framework Version:1.1.4322.573; ASP.NET Version:1.1.4322.573