DateDiff in LINQ

How I can find datediff in mon开发者_运维技巧th using LINQ?

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var result = from i in myTable 
             select SqlMethods.DateDiffMonth(i.DateStart, i.DateEnd);

This will generate sql query with DATEDIFF function

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If I understand correctly, you want the number of month boundaries crossed between two specific dates. You don't need LINQ for that; this should work:

// Assuming DateTime startDate, endDate
int monthDiff = ((endDate.Year - startDate.Year) * 12) + 
                (endDate.Month - startDate.Month);