70-516 · Question #40
You have been assigned the task of writing code that executes an Entity SQL query that returns entity type objects that contain a property of a complex type. (Line numbers are included for reference…
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Question
You have been assigned the task of writing code that executes an Entity SQL query that returns entity type objects that contain a property of a complex type. (Line numbers are included for reference only.) 01 using (EntityCommand cmd = conn.CreateCommand()) 02 { 03 cmd.CommandText = esqlQuery; 04 EntityParameter param = new EntityParameter(); 05 param.ParameterName = "id"; 06 param.Value = 3; 07 cmd.Parameters.Add(param); 08 using (EntityDataReader rdr = cmd.ExecuteReader(CommandBehavior.SequentialAccess)) 09 { 10 while (rdr.Read()) 11 { 12 ... 13 Console.WriteLine("Email and Phone Info:"); 14 for (int i = 0; i < nestedRecord.FieldCount; i++) 15 { 16 Console.WriteLine(" " + nestedRecord.GetName(i) + ": " + nestedRecord.GetValue(i)); 17 } 18 } 19 } 20 } Which code segment should you insert at line 12?
Options
- ADbDataRecord nestedRecord = rdr["EmailPhoneComplexProperty"]
- BDbDataRecord nestedRecord = rdr["EmailPhoneComplexProperty"]
- CDataSet nestedRecord = rdr["EmailPhoneComplexProperty"]
- DComplexDataRecord nestedRecord = rdr["EmailPhoneComplexProperty"]
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