试题详情
- 单项选择题 You work as an application developer at Contoso.com. You use Microsoft .NET Framework 3.5 and Microsoft ADO.NET to develop an application that will connect to the Microsoft SQL Server 2005 database. Your application contains the following code. 01 DataTable dt = new DataTable(); 02 dt.Columns.Add("number"); 03 dt.Columns.Add("string"); 04 dt.Rows.Add(1, "3"); 05 dt.Rows.Add(2, "2"); 06 dt.Rows.Add(3, "1"); 07 var result = from p in dt.AsEnumerable() 08 09 foreach (var number in result) { 10 Console.Write(number.ToString()); 11 } You need to display the string "321". What should you do?()
A、A
B、B
C、C
D、D
- A
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