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错误我使用LINQPad来运行下面的查询:LINQ到SQL查询与StartsWith
var pds = (from p in Projects
group p by p.FiscalYearVariables.FiscalYear into grouped
where grouped.Count() > 0
select new {
fiscalYear = grouped.Key,
projectDetails = grouped.SelectMany(a=>a.ProjectDetails),
Programs = (from pwbs in Programs.SelectMany(a =>a.ProgramWbsNumbers)
let ds = pwbs.WbsNumbers.DisplayString
where pwbs.Programs.IsActive
&& (from w in WbsNumbers
where w.DisplayString.StartsWith(ds)
select w).Any()
select pwbs.Programs)
});
pds.Dump();
而我得到的错误:
NotSupportedException: Only arguments that can be evaluated on the client are supported for the String.StartsWith method.
我不知道如何去关于纠正这个错误。我需要得到每个Program
,WbsNumber
开始WbsNumber
ProgramWbsNumbers
如果有帮助。
工作!谢谢。 –