2
public static IQueryable<SearchProfile> FilterData(string Filter, Repository<SearchProfileContext> dc)
{
IQueryable<SearchProfile> data = null;
var predicate = PredicateBuilder.True<SearchProfile>();
Filter = ExcludedParam(Filter);
if (!string.IsNullOrEmpty(Filter))`enter code here`
{
var stringToSplit = Filter;`enter code here`
List<string[]> arrays = new List<string[]>();
var primeArray = stringToSplit.Split('|');
for (int i = 0; i < primeArray.Length; i++)
{
string first = primeArray[i];
if (first.Contains("chkOrientation") == true)
{
string[] Array = first.Replace("chkOrientation=", "").Split(',');
predicate = predicate.And(a => Array.Contains(a.OrientaionID.ToString()));
}
if (first.Contains("chkProfession") == true)
{
string[] Array = first.Replace("chkProfession=", "").Split(',');
**predicate = predicate.And(a => Array.Contains(SqlFunctions.StringConvert((Double)a.ProfessionID)));**
}
}
data = dc.Select<SearchProfile>().Where(predicate).Distinct();
return data;
}
data = (from a in dc.Select<SearchProfile>().Where(a => a.PersonID > 0) select a).Distinct();
return data;
}
當我跑我的程序,我得到這個討厭的錯誤如下:LINQ的PredicateBuilder
LINQ到實體無法識別方法Int32 ToInteger(System.Object)
方法,該方法不能被翻譯成店表達。
然後,我用SqlFunctions.StringConvert
使它工作,但生成的SQL LINQ沒有評估。這是示例輸出(它比較'1'和'2'而不是1和2)**
你究竟在哪裏使用'Int32.ToInteger(System.Object)'? – ivowiblo 2011-12-23 05:21:38