没有人能指出我一个解决方案，我找不到任何关于此错误的参考！ ：（
Hi, I´m having some troubles to update a DetailsView using an EntityDataSource, i get the following error:
The key-value pairs that define an EntityKey cannot be null or empty.
Parameter name: record
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.ArgumentException: The key-value pairs that define an EntityKey cannot be null or empty.
Parameter name: record
Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below. |
Stack Trace:
[ArgumentException: The key-value pairs that define an EntityKey cannot be null or empty.
Parameter name: record]
System.Data.EntityKey.CheckValue(String argumentName, String keyFieldName, Object value, PrimitiveType expectedType) +3602373
System.Data.EntityKey.CheckKeyValues(EntitySet entitySet, IExtendedDataRecord record, String[]& keyNames, Object& singletonKeyValue, Object[]& compositeKeyValues) +474
System.Data.EntityKey..ctor(EntitySet entitySet, IExtendedDataRecord record) +161
System.Data.Objects.ObjectStateManager.FixupKey(EntityEntry entry) +107
System.Data.Objects.ObjectStateEntry.AcceptChanges() +143
System.Data.Objects.ObjectContext.AcceptAllChanges() +212
System.Web.UI.WebControls.EntityDataSourceView.ExecuteUpdate(IDictionary keys, IDictionary values, IDictionary oldValues) +372
System.Web.UI.DataSourceView.Update(IDictionary keys, IDictionary values, IDictionary oldValues, DataSourceViewOperationCallback callback) +92
System.Web.UI.WebControls.DetailsView.HandleUpdate(String commandArg, Boolean causesValidation) +837
System.Web.UI.WebControls.DetailsView.HandleEvent(EventArgs e, Boolean causesValidation, String validationGroup) +509
System.Web.UI.WebControls.DetailsView.OnBubbleEvent(Object source, EventArgs e) +95
System.Web.UI.Control.RaiseBubbleEvent(Object source, EventArgs args) +37
System.Web.UI.WebControls.DetailsViewRow.OnBubbleEvent(Object source, EventArgs e) +113
System.Web.UI.Control.RaiseBubbleEvent(Object source, EventArgs args) +37
System.Web.UI.WebControls.LinkButton.OnCommand(CommandEventArgs e) +118
System.Web.UI.WebControls.LinkButton.RaisePostBackEvent(String eventArgument) +135
System.Web.UI.WebControls.LinkButton.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +10
System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +13
System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +175
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1565
|
Can somebody help me? I´ve spent the last 4 hours around this, and don´t have any clue to solve this problem!!!
Nobody can point me to a solution, i can´t find any reference for this error! :(
