关于一个函数的问题!
Function CreateDataSet(strSQL As String) As DataSet
………………………………………………
End Function
这里面的As DataSet 是什么意思/
例如:
Function CreateDataSet(strSQL As String, FileName As String, TableName As String) As DataSet
Dim ConnString As String = "Provider=Microsoft.Jet.OLEDB.4.0;" & _
"Data Source=" & Server.MapPath(FileName)
Dim objCmd As New OleDbDataAdapter(strSQL, ConnString)
Dim DS As New DataSet()
objCmd.Fill(DS, TableName)
CreateDataSet = DS
End Function