https://forums.autodesk.com/t5/net-forum/the-problems-of-staring-a-autocad-managed-c-project/m-p/1912968#M78632 When i start a new autocad managed c# project, the vs2005 shows the following problems:<BR /> 警告 1加载属性“RootNamespace”失败。根命名空间的字符串必须是有效的标识符。 CsMgdAcad11<BR /> My vs2005 is chinese version.<BR /> 1Loading propertity "RootNamespace"failed. The string of RootNamespace must be valid symbol. CsMgdAcad11 Tue, 13 Mar 2007 01:17:43 GMT Anonymous 2007-03-13T01:17:43Z https://forums.autodesk.com/t5/net-forum/the-problems-of-staring-a-autocad-managed-c-project/m-p/1912968#M78632 When i start a new autocad managed c# project, the vs2005 shows the following problems:<BR /> 警告 1加载属性“RootNamespace”失败。根命名空间的字符串必须是有效的标识符。 CsMgdAcad11<BR /> My vs2005 is chinese version.<BR /> 1Loading propertity "RootNamespace"failed. The string of RootNamespace must be valid symbol. CsMgdAcad11 Tue, 13 Mar 2007 01:17:43 GMT https://forums.autodesk.com/t5/net-forum/the-problems-of-staring-a-autocad-managed-c-project/m-p/1912968#M78632 Anonymous 2007-03-13T01:17:43Z https://forums.autodesk.com/t5/net-forum/the-problems-of-staring-a-autocad-managed-c-project/m-p/1912969#M78633 I get that too in the english version. I just reopen the solution and the error goes away. sorry I can't be of more help.<BR /> <BR /> lao dan Tue, 13 Mar 2007 01:59:29 GMT https://forums.autodesk.com/t5/net-forum/the-problems-of-staring-a-autocad-managed-c-project/m-p/1912969#M78633 Anonymous 2007-03-13T01:59:29Z https://forums.autodesk.com/t5/net-forum/the-problems-of-staring-a-autocad-managed-c-project/m-p/1912970#M78634 Some Reference may be missing in your project. Try to add the reference. Example Autodesk.AutoCAD.Windows.PaletteSet class requires System,.Windows.Forms referece. Mon, 18 Feb 2008 16:38:27 GMT https://forums.autodesk.com/t5/net-forum/the-problems-of-staring-a-autocad-managed-c-project/m-p/1912970#M78634 Anonymous 2008-02-18T16:38:27Z