When viewing the RadTreeView via IE 9 when served from IIS 6, the tri-state checkboxes are not visible. Other browsers do not have this issue. When viewing the RadTreeView via IE 9 when served from IIS 7, everything works as expected. I am using v.2011.2.712.40. Any ideas?
Here is the web config:
<?xml version="1.0"?><configuration> <appSettings> <add key="Telerik.Skin" value="Windows7" /> <add key="Telerik.ScriptManager.TelerikCdn" value="Disabled" /> <add key="Telerik.StyleSheetManager.TelerikCdn" value="Disabled" /> </appSettings> <system.web> <customErrors mode="Off"></customErrors> <authentication mode="Windows" /> <authorization> <allow roles="Resident Portal Users" /> </authorization> <compilation debug="true" targetFramework="4.0"> <assemblies> <add assembly="System.Web.Entity, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089" /> <add assembly="System.Data.Entity, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089" /></assemblies></compilation> <pages> <controls> <add tagPrefix="telerik" namespace="Telerik.Web.UI" assembly="Telerik.Web.UI" /> </controls> </pages> <httpHandlers> <add path="ChartImage.axd" type="Telerik.Web.UI.ChartHttpHandler" verb="*" validate="false" /> <add path="Telerik.Web.UI.SpellCheckHandler.axd" type="Telerik.Web.UI.SpellCheckHandler" verb="*" validate="false" /> <add path="Telerik.Web.UI.DialogHandler.aspx" type="Telerik.Web.UI.DialogHandler" verb="*" validate="false" /> <add path="Telerik.RadUploadProgressHandler.ashx" type="Telerik.Web.UI.RadUploadProgressHandler" verb="*" validate="false" /> <add path="Telerik.Web.UI.WebResource.axd" type="Telerik.Web.UI.WebResource" verb="*" validate="false" /> </httpHandlers> <httpModules> </httpModules> </system.web> <system.webServer> <validation validateIntegratedModeConfiguration="false" /> <modules runAllManagedModulesForAllRequests="true"> </modules> <handlers> <remove name="ChartImage_axd" /> <add name="ChartImage_axd" path="ChartImage.axd" type="Telerik.Web.UI.ChartHttpHandler" verb="*" preCondition="integratedMode" /> <remove name="Telerik_Web_UI_SpellCheckHandler_axd" /> <add name="Telerik_Web_UI_SpellCheckHandler_axd" path="Telerik.Web.UI.SpellCheckHandler.axd" type="Telerik.Web.UI.SpellCheckHandler" verb="*" preCondition="integratedMode" /> <remove name="Telerik_Web_UI_DialogHandler_aspx" /> <add name="Telerik_Web_UI_DialogHandler_aspx" path="Telerik.Web.UI.DialogHandler.aspx" type="Telerik.Web.UI.DialogHandler" verb="*" preCondition="integratedMode" /> <remove name="Telerik_RadUploadProgressHandler_ashx" /> <add name="Telerik_RadUploadProgressHandler_ashx" path="Telerik.RadUploadProgressHandler.ashx" type="Telerik.Web.UI.RadUploadProgressHandler" verb="*" preCondition="integratedMode" /> <remove name="Telerik_Web_UI_WebResource_axd" /> <add name="Telerik_Web_UI_WebResource_axd" path="Telerik.Web.UI.WebResource.axd" type="Telerik.Web.UI.WebResource" verb="*" preCondition="integratedMode" /> </handlers> </system.webServer> <connectionStrings> </connectionStrings></configuration>