Question

我有一个数据表，我根据条件从中过滤数据，但是如何仅显示数据表中的特定列？

Dim Dt As New DataTable
                Dim SQlDa As SqlDataAdapter = New SqlDataAdapter(SqlCmd)
                SQlDa.Fill(TrackingDt)
                Dim Rows() As DataRow = Dt.Select("State = " + "'" + State + "'")
                Dim TempDt As New DataTable
                If Rows.Length > -1 Then
                    TempDt = Rows.CopyToDataTable()
                End If


                Return TempDt

Answer 1

Dim view As New DataView(MyDataTable)
Dim distinctValues As DataTable = view.ToTable(True, "ColumnA")

Answer 2

试试这个

TempDt =New DataView(Rows.CopyToDataTable()).ToTable(False, 
"columnname1", "name2","...","..")

如何从vb.net中的数据表中选择特定列？

2 个答案: