GRID同行有相同字符串时高亮显示 - 编程论坛

如图所示：

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同一行中有相同的字符串时，就高亮显示，如第二行中有相同字符串"中_张三"，就如图显示，可以是红色边框，也可以是红色背景，也可以是红色字体。
第四行中有相同字符串"汉_李四"如法炮制，在第四行第5列新填一个"汉_李四5"，那么新添加的也要高亮显示，谢谢！
初始代码：

程序代码：

PUBLIC oform1

oform1=Newobject("Form1")
oform1.Show
RETURN

DEFINE CLASS Form1 AS form
    Top = 0
    Left = 0
    Height = 256
    Width = 561
    DoCreate = .T.
    Caption = "Form1"
    Name = "Form1"

    ADD OBJECT Grid1 AS grid WITH ;
        DeleteMark = .F.,;
        Height = 200,;
        Left = 36,;
        RecordSource = "tt",;
        Top = 24,;
        Width = 504,;
        Name = "Grid1"

    PROCEDURE Load
        CLOSE ALL
        CREATE dbf  tt(A c(12),B c(12),C c(12),D c(12),E C(12),F c(12))
        INSERT INTO tt values("","","","","","")
        INSERT INTO tt values("中_张三1","","","","中_张三5","")
        INSERT INTO tt values("","","","","","")
        INSERT INTO tt values("","","","","","")
        INSERT INTO tt values("","汉_李四2","","汉_李四4","","")
        INSERT INTO tt values("","","","","","")
        GO top
    ENDPROC

ENDDEFINE