Asp.net web api 未找到方法：'；Int32 Microsoft.Data.OData.Query.SemanticAst.QueryNode.get#u Kind（）'；

我正在使用MVC4创建一个WebApi应用程序，它需要支持oData

我按照建议安装了软件包Microsoft.AspNet.WebApi.OData（安装软件包Microsoft.AspNet.WebApi.OData-Pre），但在筛选[例如：/api/cars？$filter=startswith（Name，'F'）]时，我遇到了异常：

{"Message":"An error has occurred.","ExceptionMessage":"Method not found: 'Int32 Microsoft.Data.OData.Query.SemanticAst.QueryNode.get_Kind()'.","ExceptionType":"System.MissingMethodException","StackTrace":"   at System.Web.Http.OData.Query.Validators.FilterQueryValidator.ValidateSingleValueNode(SingleValueNode node, ODataValidationSettings settings)\r\n   at System.Web.Http.OData.Query.Validators.FilterQueryValidator.ValidateQueryNode(QueryNode node, ODataValidationSettings settings)\r\n   at System.Web.Http.OData.Query.Validators.FilterQueryValidator.Validate(FilterQueryOption filterQueryOption, ODataValidationSettings settings)\r\n   at System.Web.Http.OData.Query.FilterQueryOption.Validate(ODataValidationSettings validationSettings)\r\n   at System.Web.Http.OData.Query.Validators.ODataQueryValidator.Validate(ODataQueryOptions options, ODataValidationSettings validationSettings)\r\n   at System.Web.Http.OData.Query.ODataQueryOptions.Validate(ODataValidationSettings validationSettings)\r\n   at System.Web.Http.QueryableAttribute.ValidateQuery(HttpRequestMessage request, ODataQueryOptions queryOptions)\r\n   at System.Web.Http.QueryableAttribute.ExecuteQuery(IEnumerable query, HttpRequestMessage request, HttpConfiguration configuration, HttpActionDescriptor actionDescriptor)\r\n   at System.Web.Http.QueryableAttribute.OnActionExecuted(HttpActionExecutedContext actionExecutedContext)\r\n   at System.Web.Http.Filters.ActionFilterAttribute.CallOnActionExecuted(HttpActionContext actionContext, HttpResponseMessage response, Exception exception)\r\n   at System.Web.Http.Filters.ActionFilterAttribute.<>c__DisplayClass2.<System.Web.Http.Filters.IActionFilter.ExecuteActionFilterAsync>b__0(HttpResponseMessage response)\r\n   at System.Threading.Tasks.TaskHelpersExtensions.<>c__DisplayClass41`2.<Then>b__40(Task`1 t)\r\n   at System.Threading.Tasks.TaskHelpersExtensions.ThenImpl[TTask,TOuterResult](TTask task, Func`2 continuation, CancellationToken cancellationToken, Boolean runSynchronously)"}

{“消息”：“出现错误”，“异常消息”：“未找到方法：'Int32 Microsoft.Data.OData.Query.SemanticAst.QueryNode.get_Kind（）”，“异常类型”：“System.MissingMethodException”，“StackTrace”：“位于System.Web.Http.OData.Query.Validators.FilterQueryValidator.ValidateSingleValueNode”（SingleValueNode节点，ODataValidationSettings设置）\r\n位于System.Web.Http.OData.Query.Validators.FilterQueryValidator.ValidateryNode（QueryNode节点，ODataValidationSettings设置）\r\n位于System.Web.Http.OData.Query.Validators.FilterQueryValidator.Validators（FilterQueryOption FilterQueryOption FilterQueryOption，ODataValidationSettings设置）\r\n位于System.Web.Http.OData.Query.FilterQueryOption.Validate（ODataValidationSettings validationSettings）\r\n位于System.Web.Http.OData.Query.Validators.ODataQueryValidator.Validate（ODataQueryOptions，ODataValidationSettings validationSettings）\r\n位于System.Web.Http.OData.Query.ODataQueryOptions.Validate（ODataValidationSettings validationSettings）\r\n位于System.Web.Http.QueryableAttribute.ValidateQuery（HttpRequestMessage请求，ODataQueryOptions查询选项）\r\n位于System.Web.Http.QueryableAttribute.ExecuteQuery（IEnumerable查询，HttpRequestMessage请求，HttpConfiguration配置，HttpActionDescriptor actionDescriptor）\r\n在System.Web.Http.QueryableAttribute.OnActionExecuted（HttpActionExecutedContext actionExecutedContext）\r\n在System.Web.Http.Filters.ActionFilterAttribute.CallOnActionExecuted（HttpActionContext actionContext，HttpResponseMessage response，Exception Exception）处（HttpResponseMessage response）\r\n在System.Threading.Tasks.TaskHelperExtensions.c__在System.Threading.Tasks.TaskHelperExtensions.c_uu显示Class41`2.b_u 40（Task`1 t）\r\n在System.Threading.Tasks.Tasks.TaskHelperExtensions.ThenImpl[TTask，TOuterResult]（TTask任务，函数`2 continuation，CancellationToken，Boolean runSynchronously）}

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我缺少什么？

导致此问题的原因是与基础OData库版本的二进制不兼容。我强烈建议使用我们的夜间版本。只需在package manager控制台中使用此命令即可：

Install-Package Microsoft.AspNet.WebApi.OData -Source http://www.myget.org/F/aspnetwebstacknightly/ -Pre

这还将为您提供一个更接近最终版本的WebAPI OData支持版本