如何在两者之间连接两个字段和文本?我已经尝试了以下所有方法,但没有任何效果......
([fldCode1] || ':' ||[fldCode2]) AS Method
([fldCode1] + ':' + [fldCode2]) AS Method
([fldCode1] & ':' & [fldCode2]) AS Method
*** & cannot be used with varchar