'实现"班级查询"的功能
Private Sub Command1_Click()
    txtsql = ""
    If Text1(0).Text <> "" Then
        If txtsql = "" Then
            txtsql = "年级='" & Trim(Text1(0).Text) & "'"
        Else
            txtsql = txtsql & "and 年级='" & Trim(Text1(0).Text) & "'"
        End If
    End If
    If Text1(1).Text <> "" Then
        If txtsql = "" Then
            txtsql = "班级='" & Trim(Text1(1).Text) & "'"
        Else
            txtsql = txtsql & "and.班级='" & Trim(Text1(1).Text) & "'"
        End If
    End If
    If Text1(2).Text <> "" Then
        aa = 1
        If txtsql = "" Then
            txtsql = "专业='" & Trim(Text1(2).Text) & "'"
        Else
            txtsql = txtsql & "and 专业='" & Trim(Text1(2).Text) & "'"
        End If
    End If

    If txtsql = "" Then
        ss = MsgBox("你至少要输入一个条件以上才能查询！", , " 警告")
        Text1(0).SetFocus
        Exit Sub

    End If
    txtsql = "select * from class where " & txtsql
    Dim mrc As ADODB.Recordset
    Set mrc = ExecuteSQL(txtsql)
    If mrc.EOF = True Then
        zzz = MsgBox("对不起，没有此班级的档案记录！", vbOKOnly, "查询")
        Formclass3.ZOrder (0)
        Formclass3.Text1(0).SetFocus
        Exit Sub
    End If
    Formclass2.printstr = txtsql
    classfind = True
    Formclass2.Show
    Formclass2.classshowtitle
    Formclass2.classshowdata
    Formclass2.Caption = "班级设置查询结果"
    Formclass2.ZOrder (0)
End Sub

求帮助，显示的是红色部分能错误


[ 本帖最后由 ilvxcjj 于 2011-9-12 12:44 编辑 ]

窗体Formclass2里有printstr控件吗？