标签: linq-to-sharepoint

所以我使用SPmetal工具生成数据类以使用LINQ to SharePoint.

该工具的一个功能是通过其显示名称使站点列别名.

如何覆盖SPMetal设置以使用内部名称或静态名称？

在我们的SharePoint 2010项目中,我们使用Linq to SharePoint来获取ConfigurationItems列表.在我们的测试环境中,我们从未从此列表中获取数据时遇到问题.在我们的生产环境中,我们现在有时(我们现在找不到模式)在循环遍历列表中的项时获取空引用异常.

以下是从Linq到SharePoint代码抛出的异常:

Object reference not set to an instance of an object. StackTrace: 
at Microsoft.SharePoint.Linq.FieldRef.GetHashCode()
at Microsoft.SharePoint.Linq.FieldRef.FieldRefEqualityComparer.GetHashCode(FieldRef obj)
at System.Linq.Set`1.InternalGetHashCode(TElement value)  at System.Linq.Set`1.Find(TElement value, Boolean add)  at System.Linq.Enumerable.d__7a`1.MoveNext()
at System.Linq.Buffer`1..ctor(IEnumerable`1 source)  at System.Linq.Enumerable.ToArray[TSource](IEnumerable`1 source)  at Microsoft.SharePoint.Linq.SelectMappingInfo.GetDistinctMappedFields()
at Microsoft.SharePoint.Linq.Rules.PushDownProcessor.SelectWithInfoOp.PushDownSelect(Context ctx)
at Microsoft.SharePoint.Linq.Rules.PushDownProcessor.SelectWithInfoOp.Process(Context ctx)
at Microsoft.SharePoint.Linq.Rules.GuardedRule`4.c__DisplayClass7.b__6(TSourceBase src, TContext ctx)
at Microsoft.SharePoint.Linq.Rules.RewriteRule`2.Apply(TNode src, TContext ctx)  at Microsoft.SharePoint.Linq.Rules.CacheRule`3.Apply(TSource src, TContext ctx)  
at Microsoft.SharePoint.Linq.Rules.PushDownProcessor.b__0(Expression e, Context ctx)
at Microsoft.SharePoint.Linq.Rules.ChildRule`2.Apply(TNode src, TContext ctx)  at Microsoft.SharePoint.Linq.Rules.PushDownProcessor.b__3(Expression e, Context ctx)
at Microsoft.SharePoint.Linq.Rules.RewriteRule`2.Apply(TNode src, TContext ctx) …