解析：用代码刷新ODBC链接SQL Server表

　　Function relink()
 
　　Dim db As Database
　　Dim tbl As TableDef
　　Dim a As String
　　Dim b As String
　　Dim d As String
　　
　　a = "sa"'数据库用户
　　b = "abc"'数据库口令
　　d = "abcde"'数据库名称
　　Set db = CurrentDb
　　For Each tbl In db.TableDefs
　　If tbl.Attributes = 536870912 Then
　　tbl.Connect = "FILEDSN=d:demosteel.dsn;UID=" & a & ";
PWD=" & b & ";WSID=;DATABASE=" & d & ";Network=DBMSSOCN" '
　　tbl.Attributes = dbAttachSavePWD
　　tbl.RefreshLink
　　End If
　　Next
　　End Function