测试是否和数据库连接成功! vbCode

像SQL中一样,可以测试是否和数据库连接成功!

Private Function TestConnectSqlDatabase(VstrUser As String, VstrPwd As String, VstrServer As String, VstrDataBase As String) As Boolean
   On Error GoTo ErrHandle
   Dim cnn As ADODB.Connection
   Set cnn = New ADODB.Connection
   StrConn = "Driver={SQL Server};SERVER=" & "" & VstrServer & "" & ";DATABASE=" & "" & VstrDataBase & "" & ";UID=" & "" & VstrUser & "" & ";PWD=" & "" & VstrPwd & ""
   cnn.ConnectionString = StrConn
   cnn.Open connectstring
   TestConnectSqlDatabase = True
Done:
    Set cnn = Nothing
    Exit Function

ErrHandle:
    TestConnectSqlDatabase = False
    GoTo Done
End Function

原文地址:https://www.cnblogs.com/kentyshang/p/425780.html