모노 xsp4 오류 500 ArgumentNullException

Question

Mac에 모노 버전 3.8을 설치했습니다. 그리고 xsp4를 사용하여 asp.net 웹 응용 프로그램을 실행합니다. 그러면 다음과 같은 오류 500이 발생합니다. 도와주세요.

System.ArgumentNullException 

Argument cannot be null. 

Parameter name: type 

Description: HTTP 500.Error processing request. 

Details: Non-web exception. Exception origin (name of application or object): mscorlib. 

Exception stack trace: 
    at System.Activator.CheckType (System.Type type) [0x00000] in <filename unknown>:0 
    at System.Activator.CreateInstance (System.Type type, Boolean nonPublic) [0x00000] in <filename unknown>:0 
    at System.Web.UI.WebControls.LinqDataSourceView+<ExecuteSelect>c__Iterator1.MoveNext() [0x00000] in <filename unknown>:0 
    at System.Web.UI.WebControls.ListView.CreateItemsWithoutGroups (System.Web.UI.WebControls.ListViewPagedDataSource dataSource, Boolean dataBinding, InsertItemPosition insertPosition, System.Collections.ArrayList keyArray) [0x00000] in <filename unknown>:0 
    at System.Web.UI.WebControls.ListView.CreateChildControls (IEnumerable dataSource, Boolean dataBinding) [0x00000] in <filename unknown>:0 
    at System.Web.UI.WebControls.ListView.PerformDataBinding (IEnumerable data) [0x00000] in <filename unknown>:0 
    at System.Web.UI.WebControls.DataBoundControl.InternalPerformDataBinding (IEnumerable data) [0x00000] in <filename unknown>:0 
    at System.Web.UI.WebControls.DataBoundControl.OnSelect (IEnumerable data) [0x00000] in <filename unknown>:0 
    at System.Web.UI.DataSourceView.Select (System.Web.UI.DataSourceSelectArguments selectArgs, System.Web.UI.DataSourceViewSelectCallback callBack) [0x00000] in <filename unknown>:0 
    at System.Web.UI.WebControls.DataBoundControl.PerformSelect() [0x00000] in <filename unknown>:0 
    at System.Web.UI.WebControls.ListView.PerformSelect() [0x00000] in <filename unknown>:0 
    at System.Web.UI.WebControls.BaseDataBoundControl.DataBind() [0x00000] in <filename unknown>:0 
    at System.Web.UI.WebControls.BaseDataBoundControl.EnsureDataBound() [0x00000] in <filename unknown>:0 
    at System.Web.UI.WebControls.ListView.CreateChildControls() [0x00000] in <filename unknown>:0 
    at System.Web.UI.Control.EnsureChildControls() [0x00000] in <filename unknown>:0 
    at System.Web.UI.Control.PreRenderRecursiveInternal() [0x00000] in <filename unknown>:0 
    at System.Web.UI.Control.PreRenderRecursiveInternal() [0x00000] in <filename unknown>:0 
    at System.Web.UI.Control.PreRenderRecursiveInternal() [0x00000] in <filename unknown>:0 
    at System.Web.UI.Control.PreRenderRecursiveInternal() [0x00000] in <filename unknown>:0 
    at System.Web.UI.Control.PreRenderRecursiveInternal() [0x00000] in <filename unknown>:0 
    at System.Web.UI.Page.ProcessLoadComplete() [0x00000] in <filename unknown>:0 
    at System.Web.UI.Page.InternalProcessRequest() [0x00000] in <filename unknown>:0 
    at System.Web.UI.Page.ProcessRequest (System.Web.HttpContext context) [0x00000] in <filename unknown>:0 

Answer 1

LinqDataSource의 개체 목록 인스턴스를 사용하려고했습니다. 이제는 일이야.