adodc1.recordset.fields(xxx)...請問xxx如何使用字串變數??(編號:8615)

adodc1.recordset.fields("xxx")...請問xxx如何使用字串變數??
例如:
dim need_help as string
   need_help = "求救"
   msgbox adodc1.recordset.fields("求救")
                   !
   如何套 need_help -----------------