Dim r2 As Row = Tables("颜色资料").current Dim r1 As Row = Tables("颜色组定义").current Dim dr As DataRow dr = DataTables("颜色组配置表").Find("颜色组 = '" & r1("颜色组") & "' And 颜色编号 = '" & r2("颜色编号") & "' And 颜色 = '" & r2("颜色") & "'") If dr IsNot Nothing Then MessageBox.Show("该颜色已经存在!","提示") Else Dim r3 As Row = Tables("颜色组配置表").addnew() r3("颜色组") = r1("颜色组") r3("颜色编号") = r2("颜色编号") r3("颜色") = r2("颜色") End If