拭目以待

You can fool all the people some of the time, some of the people all the time, but you cannot fool all the people all the time.

Dynamic SQL Excute

declare @tablename char(10)
declare @columnname char(10)
set @tablename='myTable'
set @columnname='myColumn'
execute('select * from ' + @tablename + ' order by ' + @columnname)

Copy selective columns of data table to another datatable - VB.NET Articles, samples and tutorials

Dim DestTable As DataTable = new DataTable

Dim NewColumns() As String={"EmpID","FirstName "}

DestTable = sourceTable.DefaultView.ToTable("TableName", false, strColsToExport)