请问用VB6怎么制作可连接到SQL数据库的应用程序（不要安装驱动的方法）？
听说用ADODC或ADODB的方法需要安装驱动，而ODBC API不需要安装，或者其他方法，最好说具体步聚，先谢谢了！
--------------------编程问答--------------------
ODBC API方式
Option Explicit
Dim iStatus As Integer
Dim sResult As String
Dim iSize As Integer
Dim strConnect As String
Dim lRet As Long, lErrNo As Long
Dim iLen As Integer
Dim sSQLState As String * MAX_DATA_BUFFER
Dim sErrorMsg As String * MAX_DATA_BUFFER
Dim sMsg As String
Dim bolP As Integer
Dim lOutLen As Long
Dim ODBCInit As Boolean '标记初始化ODBC是否成功
Dim strDSN As String 'DSN数据源名称
Dim strUID As String '用户名称
Dim strPWD As String '用户密码
Dim strAPP As String '
Dim strDataBase As String
Dim strSQL As String '用于存储SQL语句
Dim lngP As Long
Dim strName As String * MAX_DATA_BUFFER
Dim strAge As String * MAX_DATA_BUFFER
Dim strNumber As String * MAX_DATA_BUFFER
Dim lngRow As Long
Private Sub btnP_Click()
strDSN = "Team"
strUID = ""
strPWD = ""
strAPP = ""
strDataBase = App.Path & "\DBList.mdb"
'1 分配ODBC连接环境的句柄
If SQLAllocEnv(lngEnv) <> 0 Then
MsgBox "不能取得ODBC环境句柄，初始化ODBC连接失败！"
End
End If
'2. 分配ODBC数据库句柄
If SQLAllocConnect(lngEnv, lngDBHandle) <> 0 Then
MsgBox "没有内存空间分配给数据库句柄！"
ODBCInit = False
iStatus = SQLFreeEnv(lngEnv) '初始化ODBC失败，释放ODBC环境句柄
Rem 释放出错时，提示
If iStatus = SQL_ERROR Then
MsgBox "释放ODBC环境时出错！"
End If
End
End If
'3.根据连接字符串连接指定的ODBC数据库
lngP = SQLConnect(lngDBHandle, strDSN, Len(strDSN), strUID, Len(strUID), strPWD, Len(strPWD))
If (lngP <> SQL_SUCCESS) And (lngP <> SQL_SUCCESS_WITH_INFO) Then
MsgBox "不能连接指定的ODBC数据库！"
End If
'4. Allocate ODBC Statement Handle
If SQLAllocStmt(lngDBHandle, lngStmt) <> 0 Then
MsgBox "分配执行SQL语句的环境句柄失败！"
End If
'5. 执行SQL语句
strSQL = "SELECT * FROM TB_Dealer" 'SQL语句
Rem 执行SQL语句，如果执行失败，那么取得错误信息
If SQLExecDirect(lngStmt, strSQL, Len(strSQL)) <> SQL_SUCCESS Then
lRet = SQLError(lngEnv, lngDBHandle, lngStmt, sSQLState, lErrNo, sErrorMsg, MAX_DATA_BUFFER, iLen)
sMsg = "执行SQL语句出错！" & Chr$(13) & Chr$(10)
sMsg = sMsg & "ODBC状态： = " & Trim$(Left$(sSQLState, InStr(sSQLState, Chr$(0)) - 1)) & Chr$(13) & Chr$(10)
sMsg = sMsg & "ODBC错误信息： = " & Left$(sErrorMsg, iLen)
MsgBox sMsg, vbInformation, "系统消息"
End If
'6.从SQL结果集中一条记录一条记录的读取记录
lngRow = 1
Do
bolP = SQLFetch(lngStmt) '取得一条记录集
If bolP = SQL_SUCCESS Then '如果取记录成功，那么取得记录中的各个字段内容
bolP = True
iStatus = SQLGetData(lngStmt, 1, 1, strName, MAX_DATA_BUFFER, lOutLen)
iStatus = SQLGetData(lngStmt, 2, 1, strAge, MAX_DATA_BUFFER, lOutLen)
iStatus = SQLGetData(lngStmt, 3, 1, strNumber, MAX_DATA_BUFFER, lOutLen)
msgTable.TextMatrix(lngRow, 0) = strName
msgTable.TextMatrix(lngRow, 1) = strAge
msgTable.TextMatrix(lngRow, 2) = strNumber
Else
bolP = False ' No more rows available
End If
lngRow = lngRow + 1
Loop Until Not bolP Or lngRow >= msgTable.Rows
Rem 读取记录集完毕，释放执行SQL语句的句柄
bolP = SQLFreeStmt(lngStmt, SQL_DROP)
'7.断开数据库连接句柄和数据库的连接
iStatus = SQLDisconnect(lngDBHandle)
'8.释放数据库连接句柄
iStatus = SQLFreeConnect(lngDBHandle)
'9.释放ODBC环境句柄
iStatus = SQLFreeEnv(lngEnv)
End Sub
Private Sub Form_Load()
Dim strDriver As String
Dim strAttributes As String
Dim strDSN As String
Dim strServerName As String
Dim strDataBase As String
On Error GoTo errLoad
With msgTable
.Cols = 3
.Rows = 8
.FormatString = "<姓 名|^年 纪|^号 码"
.ColWidth(0) = 1000
.ColWidth(1) = 2000
.ColWidth(2) = 4000
End With
strDSN = "Team"
strServerName = "Microsoft Access Driver (*.mdb)"
strDataBase = App.Path & "\DBList.mdb"
strDriver = "Microsoft Access Driver (*.mdb)"
strAttributes = "DSN=" & strDSN & Chr$(0)
strAttributes = strAttributes & "Server=" & strServerName & Chr$(0)
strAttributes = strAttributes & "Database=" & strDataBase
lngP = SQLConfigDataSource(vbAPINull, ODBC_ADD_DSN, strDriver, strAttributes)
If lngP = 0 Then
MessageBox hwnd, "创建ODBC数据源失败", "系统提示", vbOKOnly + vbExclamation
' Else
' MessageBox hwnd, "创建ODBC数据源成功", "系统提示", vbOKOnly + vbExclamation
End If
Exit Sub
errLoad:
Debug.Print Err.Description
End Sub
Private Sub Form_QueryUnload(Cancel As Integer, UnloadMode As Integer)
Dim lngP As Long
Rem 动态注销ODBC数据源
' lngP = SQLConfigDataSource(vbAPINull, ODBC_REMOVE_DSN, _
' "SQL Server" & Chr$(0), _
' "DSN=DreamTeamSql" & Chr$(0))
' If lngP = 0 Then
' MessageBox hwnd, "删除ODBC数据源失败", "系统提示", vbOKOnly + vbExclamation
' End If
End Sub
--------------------编程问答--------------------
ADO对象直接连接SqlServer
'％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％
'模块功能：专用于操作SQL Server数据库的模块
'功能描述：设计语言：VB6.0+SP6
' ：提供SQL Server 2000数据库的连接、查询、修改等操作功能
'设计单位：
'设 计 者：
'设计时间：2009年5月
'％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％
Option Explicit
'变量声明区域
'％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％
Public strOperateErrorMemo As String '操作数据库失败时的描述信息
'API函数声明区
'％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％
'自定义函数声明区
'％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％
'函数功能：连接数据库
'参数说明：strSqlName：Sql服务器名称； strDataBaseName：数据库名称；
' ：strUserName：登录用户名称（可以为空）； strPassword：登录密码（可以为空）
' ：cnnP：ADO数据源对象，用于连接数据库，参数传递类型必须为传引用！
'返回说明：连接数据库成功返回：True 失败返回：False
'％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％
Public Function funConnectDataBase(ByVal strSqlName As String, _
ByVal strDataBaseName As String, _
ByVal strUserName As String, _
ByVal strPassWord As String, _
ByRef cnnP As ADODB.Connection) As Boolean
Dim strConnect As String '连接数据库的字符串
On Error GoTo errFun
Set cnnP = New ADODB.Connection
strConnect = "PROVIDER=MSDASQL;" & _
"DRIVER={SQL Server};" & _
"SERVER=" & strSqlName & ";" & _
"DATABASE=" & strDataBaseName & ";" & _
"UID=" & strUserName & ";" & _
"PWD=" & strPassWord
cnnP.ConnectionString = strConnect
cnnP.Open
funConnectDataBase = True '连接成功
strOperateErrorMemo = ""
Exit Function
errFun:
funConnectDataBase = False '连接失败
strOperateErrorMemo = Err.Description
Set cnnP = Nothing
End Function
'％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％
'函数功能：执行SQL语句
'参数说明：cnnP：数据源连接对象； adoP：记录集对象； strSql：Sql语句；
' ：bolHaveRecord：是否返回记录集 True：要返回值，False：不要返回值
'返回说明：True：执行成功 False：执行失败
'％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％
Public Function funSQLExecute(ByRef cnnP As ADODB.Connection, ByRef adoP As ADODB.Recordset, _
ByVal strSql As String, ByVal bolHaveRecord As Boolean) As Boolean
On Error GoTo errFun
Set adoP = New ADODB.Recordset
Set adoP.ActiveConnection = cnnP
adoP.Open strSql, cnnP, adOpenDynamic, adLockBatchOptimistic
If Not bolHaveRecord Then Set adoP = Nothing
funSQLExecute = True
strOperateErrorMemo = ""
Exit Function
errFun:
funSQLExecute = False
strOperateErrorMemo = Err.Description
Set adoP = Nothing
Set cnnP = Nothing
End Function
'％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％
'函数功能：关闭数据库连接，关闭记录集
'功能描述：
'％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％％
Public Function funCloseDataBase(ByRef cnnP As ADODB.Connection, ByRef adoP As ADODB.Connection) As Boolean
On Error GoTo errFun
Set cnnP = Nothing
Set adoP = Nothing
Exit Function
errFun:
End Function
--------------------编程问答--------------------
在vb中引用ado后引用后即可
--------------------编程问答--------------------
制作VB程序的安装包时，数据库的驱动都是可以打包进去的。之所以研制出这项技术，自然有其应用的道理和便利，干嘛非放着不用呢。
--------------------编程问答--------------------
用字符串联接就可以了
补充：VB , 数据库(包含打印，安装，报表)
