我编写一个登录的小程序,点Command1(确定)按钮
Private Sub Command1_Click()
Dim cnn As ADODB.Connection
Dim rst As ADODB.Recordset
Dim strsql As String
Set cnn = New ADODB.Connection
Set rst = New ADODB.Recordset
cnn.Open Connstring
strsql = "select * from 1 where a='" & Text1.Text & "'"
rst.Open strsql, cnn, adOpenStatic, adLockReadOnly
If rst.EOF = True And rst.BOF = True Then
MsgBox "用户名或密码错误!", 48 + vbOKOnly, "提示信息"
Else
Set rst = Nothing
Set cnn = Nothing
MsgBox "登录成功!", 48 + vbOKOnly, "提示信息"
Exit Sub
运行时出现以下的错误:
[Microsoft][ODBC 驱动程序管理器]未发现数据源名称并且未指定默认驱动程序
请问怎么解决???
Private Sub Command1_Click()
Dim cnn As ADODB.Connection
Dim rst As ADODB.Recordset
Dim strsql As String
Set cnn = New ADODB.Connection
Set rst = New ADODB.Recordset
cnn.Open Connstring
strsql = "select * from 1 where a='" & Text1.Text & "'"
rst.Open strsql, cnn, adOpenStatic, adLockReadOnly
If rst.EOF = True And rst.BOF = True Then
MsgBox "用户名或密码错误!", 48 + vbOKOnly, "提示信息"
Else
Set rst = Nothing
Set cnn = Nothing
MsgBox "登录成功!", 48 + vbOKOnly, "提示信息"
Exit Sub
运行时出现以下的错误:
[Microsoft][ODBC 驱动程序管理器]未发现数据源名称并且未指定默认驱动程序
请问怎么解决???
需要写连接字符串,给你个例子(以sql server为例)
Connstring="Provider=SQLOLEDB;User ID=你的用户名;Password=你的密码;Data Source=sql server所在的机器名称(或者ip);Initial Catalog=数据库名称"
MsgBox "用户名或密码错误!", 48 + vbOKOnly, "提示信息"
Else
Set rst = Nothing '你把这去了看看
Set cnn = Nothing ’你把这去了看看 MsgBox "登录成功!", 48 + vbOKOnly, "提示信息"
Exit Sub
还有你的 cnn 连接源怎么写的贴出来!!
Connstring="Provider=SQLOLEDB.1;Persist Security Info=True;" & _
"Password=1234;" & _
"User ID=sa;" & _
"Initial Catalog=uvPlatformDB;" & _
"Data Source=ntcti1"