Dim tb As Table = Tables("派工_table3")
Dim cur,cur1 As String
Dim dt As DataTable
cur = tb.Current("派工单号")
cur1 = tb.current("类型编号")
cmd.commandText = "Se lect * From {工资表} where 派工单号= '" & cur & "' and 类型编号 = '" & cur2 & "'"
dt = cmd.ExecuteReader(True)
Dim ss2 As String = cmd.ExecuteNonQuery
MessageBox.Show("找到行数:"& ss2 &"")
为什么这里显示是-1. 代表是什么。工资表里边确实有符合这2个条件的记录
另外: Dim ss2 As Double = cmd.ExecuteNonQuery
MessageBox.Show("找到行数:"& ss2 &"")
红字的表达式应该怎么写正确