怎样判断数据集中的某张表是否为空?
SQLStrC = "select * from TempDetailReport" & "where projectid = " & curID.ToString
myDA3 = New OleDbDataAdapter(SQLStrC, myconnection)
objCB3 = New OleDbCommandBuilder(myDA3)
myDA3.Fill(projectds, "TempDetailReport")
TableC1 = projectds.Tables.Item("TempDetailReport")
怎样判断 projectds.Tables.Item("ResaultTable") 表ResaultTable中是否有为空??