I want to get Count as Below. but it occured error can you help me? count of school > pc> level1 count of school > pc> level2 count of school > pc> level3 count of school > pc> level4 count of school > notebook> level1 count of school > notebook> level2 count of sc…

System.Reflection.TargetInvocationException in Linq

indra (Indra) June 27, 2019, 9:30am 3

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