纠错解决办法
纠错
'select * from info where usersname like'+'%'+#39+edt1.Text+#39+'%'
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'select * from info where usersname like'+QuotedStr('%'+#39+edt1.Text+#39+'%')
'select * from info where usersname like'+'%'+#39+edt1.Text+#39+'%'
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'select * from info where usersname like '+#39+'%'+edt1.Text+'%'+#39;
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'select * from info where usersname like'+QuotedStr('%'+#39+edt1.Text+#39+'%')