方法1:In the solution property page, check the platform of the assembly that contains "UpdatingMediaElement" and the assmeblies that contain any of the superclasses and interfaces from which "UpdatingMediaElement" subclasses or implement…
错误 10 The tag 'DataGridTextColumn' does not exist in XML namespace 'http://schemas.microsoft.com/winfx/2006/xaml/presentation/sdk'. F:\项目\基于手机信令的城市规划大数据分析系统\6.系统开发\CellDataCityPlanningApplication\BrightData.CellData.CityPlanning.TripInfo\TripAnalyseB…
Error 139 Assembly 'System.Activities.Core.Presentation' was not found. Verify that you are not missing an assembly reference. Also, verify that your project and all referenced assemblies have been built. EnumerationTestDesigner.xaml 6 17 LoganTestsE…
我在 项目 下面创建一个 App_Code的文件夹,然后在其下创建自定义的类,但是当我在该项目下别的地方使用时报错: The type or namespace name 'App_Code' does not exist in the namespace 'xxx' (are you missing an assembly reference?) 解决方案: 1,在创建的类上右键,选择 Properties,如图: 2,将 Build Action 属性设置为 Compile,如图: 即可.…
之前项目是vs2010 aspx项目,用vs2017打开后,非运行状态下有一行错误:CS0234 C# The type or namespace name 'DataVisualization' does not exist in the namespace 'System.Web.UI' (are you missing an assembly reference?) 每个页面打开都会有一行这个错误,运行时正常,强迫症不能忍. 在网上查了各种解决办法,比如添加引用之类的,都无法解决,最后无意…
The type or namespace name 'Html' does not exist in the namespace 'System.Web.Mvc' (are you missing an assembly reference?) solution: right click on reference system.web.mvc, toggle "Copy local" to "true".…
本地build的时候每次都是OK的,但是Shelveset到Server上build的时候,总是出错. 果断google/bing了几个建议,无果. 不得不重新仔细的看server上的building log,然后发现, Considered "..\ExternalDrops\DynamicDataDisplay.dll", but it didn't exist. 晕菜,原来这些文件并没有被加入到server上. 查了一下,还有其他的文件也没有被加入,在“Source Contro…
