📄 frmdatalogin.frm
字号:
VERSION 5.00
Begin VB.Form frmDataLogin
BorderStyle = 1 'Fixed Single
Caption = "数据库连接设置："
ClientHeight = 5355
ClientLeft = 45
ClientTop = 435
ClientWidth = 8745
ControlBox = 0 'False
KeyPreview = -1 'True
LinkTopic = "Form1"
LockControls = -1 'True
MaxButton = 0 'False
MinButton = 0 'False
ScaleHeight = 5355
ScaleWidth = 8745
StartUpPosition = 2 '屏幕中心
Begin VB.ComboBox cbInitial
Height = 300
Left = 3240
TabIndex = 17
Text = "cbInitial"
Top = 3930
Width = 2715
End
Begin VB.CommandButton CmdExit
Caption = "退出(&X)"
Height = 450
Left = 6330
TabIndex = 6
Top = 4680
Width = 1400
End
Begin VB.CommandButton CmdOk
Caption = "确定(&N)"
Height = 450
Left = 4770
TabIndex = 5
Top = 4680
Width = 1400
End
Begin VB.Frame Frame2
Height = 30
Left = 240
TabIndex = 14
Top = 4410
Width = 8295
End
Begin VB.TextBox txtPassWord
Height = 330
IMEMode = 3 'DISABLE
Left = 3240
PasswordChar = "*"
TabIndex = 4
Text = "Text3"
Top = 3450
Width = 2715
End
Begin VB.TextBox txtUserID
Height = 330
Left = 3240
TabIndex = 3
Top = 2940
Width = 2715
End
Begin VB.OptionButton Option2
Caption = "使用SQL Server身份验证"
Height = 210
Left = 2190
TabIndex = 2
Top = 2475
Width = 2415
End
Begin VB.Frame Frame1
Height = 30
Left = 1410
TabIndex = 11
Top = 1770
Width = 7125
End
Begin VB.OptionButton Option1
Caption = "使用Windows身份验证"
Height = 210
Left = 2190
TabIndex = 1
Top = 1950
Width = 2415
End
Begin VB.TextBox txtServerName
Height = 330
Left = 2640
TabIndex = 0
Text = "Text1"
Top = 1260
Width = 2715
End
Begin VB.PictureBox Picture1
Align = 1 'Align Top
BackColor = &H00FFFFFF&
BorderStyle = 0 'None
Height = 1035
Left = 0
ScaleHeight = 1035
ScaleWidth = 8745
TabIndex = 7
Top = 0
Width = 8745
Begin VB.Line Line1
BorderColor = &H00808080&
X1 = 30
X2 = 9150
Y1 = 1020
Y2 = 1020
End
Begin VB.Label Label2
AutoSize = -1 'True
BackStyle = 0 'Transparent
Caption = "请在下面的对话框中录你系统需要连接的SQL Server数据库信息！"
Height = 180
Left = 2040
TabIndex = 9
Top = 630
Width = 5220
End
Begin VB.Label Label1
AutoSize = -1 'True
BackStyle = 0 'Transparent
Caption = "SQL Server数据库连接设置："
BeginProperty Font
Name = "宋体"
Size = 10.5
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 210
Left = 1170
TabIndex = 8
Top = 180
Width = 3120
End
Begin VB.Image Image1
Height = 720
Left = 180
Picture = "frmDataLogin.frx":0000
Top = 150
Width = 720
End
End
Begin VB.Label Label7
AutoSize = -1 'True
Caption = "数据库(&D)："
Height = 180
Left = 2190
TabIndex = 16
Top = 3990
Width = 990
End
Begin VB.Label Label6
AutoSize = -1 'True
Caption = "连接"
Height = 180
Left = 900
TabIndex = 15
Top = 1710
Width = 360
End
Begin VB.Label Label5
AutoSize = -1 'True
Caption = "密码(&P):"
Height = 180
Left = 2190
TabIndex = 13
Top = 3495
Width = 720
End
Begin VB.Label Label4
AutoSize = -1 'True
Caption = "登录名(&L):"
Height = 180
Left = 2190
TabIndex = 12
Top = 3000
Width = 900
End
Begin VB.Label Label3
AutoSize = -1 'True
Caption = "服务器名称："
Height = 180
Left = 1440
TabIndex = 10
Top = 1350
Width = 1080
End
End
Attribute VB_Name = "frmDataLogin"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit
Private m_ConnObj As clsDataConn
Private m_iDialogResult As Integer
Private Declare Sub Sleep Lib "kernel32" (ByVal dwMilliseconds As Long)
Private Sub cbInitial_GotFocus()
DoEvents
SendKeys "{F4}"
End Sub
Private Sub CmdExit_Click()
m_iDialogResult = 0
Unload Me
End Sub
Private Sub CmdOK_Click()
Dim Dn As ADODB.Connection
Dim szConnStr As String
Dim szLgDownConnstr As String
On Error GoTo ErrHandle
Err.Clear
szConnStr = GetConnectionString()
'szLgDownConnstr = GetLgDownConnectionString()
Set Dn = New ADODB.Connection
Dn.Open szConnStr
If Err.Number <> 0 Then
MsgBox "SQL Server数据库连接不正确，请检查是否设置有误!", vbInformation + vbOKOnly, "提示“"
Exit Sub
Else
Dn.Close
Call m_ConnObj.WriteConnectionString(szConnStr, szLgDownConnstr)
End If
Set Dn = Nothing
Err.Clear
m_iDialogResult = 1
Unload Me
Set frmDataLogin = Nothing
Exit Sub
ErrHandle:
Call ShowErrorMsg(Err)
End Sub
Private Sub Form_KeyDown(KeyCode As Integer, Shift As Integer)
If KeyCode = 13 Then
SendKeys "{Tab}"
End If
End Sub
Private Sub Form_Load()
txtServerName.Text = ""
txtPassWord.Text = ""
txtUserID.Text = ""
Option1.Value = True
Set m_ConnObj = New clsDataConn
End Sub
Private Sub Option1_Click()
If Option1.Value = True Then
txtUserID.Text = ""
txtPassWord.Text = ""
txtUserID.Enabled = False
txtPassWord.Enabled = False
txtUserID.BackColor = Me.BackColor
txtPassWord.BackColor = Me.BackColor
End If
'Call TestConnection
End Sub
Private Sub Option2_Click()
If Option2.Value = True Then
txtUserID.Text = ""
txtPassWord.Text = ""
txtUserID.Enabled = True
txtPassWord.Enabled = True
txtUserID.BackColor = RGB(255, 255, 255)
txtPassWord.BackColor = RGB(255, 255, 255)
End If
'Call TestConnection
End Sub
Private Sub txtPassWord_GotFocus()
txtPassWord.SelStart = 0
txtPassWord.SelLength = Len(txtPassWord.Text)
End Sub
Private Sub txtPassWord_LostFocus()
'Call TestConnection
End Sub
Private Sub txtServerName_GotFocus()
txtServerName.SelStart = 0
txtServerName.SelLength = Len(txtServerName.Text)
End Sub
Private Sub txtServerName_LostFocus()
'Call TestConnection
End Sub
Private Sub txtUserID_GotFocus()
txtUserID.SelStart = 0
txtUserID.SelLength = Len(txtUserID.Text)
End Sub
Public Function GetDialogResult() As Integer
GetDialogResult = m_iDialogResult
End Function
Private Sub TestConnection()
Dim Dn As ADODB.Connection
Dim tRs As ADODB.Recordset
Dim szConnStr As String
Dim szValue As String
On Error Resume Next
cbInitial.Clear
If Option1.Value = True Then
szConnStr = "Provider=SQLOLEDB.1;Integrated Security=SSPI;Persist Security Info=False;"
szConnStr = szConnStr + "Initial Catalog=master;Data Source=" + txtServerName.Text
ElseIf Option2.Value = True Then
szConnStr = "Provider=SQLOLEDB.1;Persist Security Info=False;Password=" + txtPassWord.Text
szConnStr = szConnStr + ";User ID=" + txtUserID.Text
szConnStr = szConnStr + ";Initial Catalog=master;Data Source=" + txtServerName.Text
End If
Set Dn = New ADODB.Connection
Dn.CommandTimeout = 4
Dn.Open szConnStr
If Err.Number <> 0 Then
' MsgBox "你设置的服务器名称不正确或登录方式不正确，请确认!", vbInformation + vbOKOnly, "提示"
Exit Sub
End If
Set tRs = Dn.Execute("Select * from SysDataBases Order by Name Asc")
If Err.Number <> 0 Then Exit Sub
If Not (tRs.EOF And tRs.BOF) Then
Do While Not (tRs.EOF)
szValue = IIf(Not IsNull(tRs.Fields("name").Value), tRs.Fields("Name").Value, "")
cbInitial.AddItem Trim(szValue)
tRs.MoveNext
Loop
End If
tRs.Close
Set tRs = Nothing
Dn.Close
Set Dn = Nothing
Err.Clear
End Sub
Private Function GetConnectionString() As String
Dim szConnStr As String
'On Error Resume Next
If Option1.Value = True Then
szConnStr = "Provider=SQLOLEDB.1;Integrated Security=SSPI;Persist Security Info=False;"
szConnStr = szConnStr + "Initial Catalog=" + Trim(cbInitial.Text) + ";Data Source=" + Trim(txtServerName.Text)
ElseIf Option2.Value = True Then
szConnStr = "Provider=SQLOLEDB.1;Persist Security Info=true;Password=" + Trim(txtPassWord.Text)
szConnStr = szConnStr + ";User ID=" + Trim(txtUserID.Text)
szConnStr = szConnStr + ";Initial Catalog=" + Trim(cbInitial.Text) + " ;Data Source=" + Trim(txtServerName.Text)
End If
GetConnectionString = szConnStr
End Function
Private Function GetLgDownConnectionString() As String
Dim szConnStr As String
'On Error Resume Next
If Option1.Value = True Then
szConnStr = "Provider=SQLOLEDB.1;Integrated Security=SSPI;Persist Security Info=False;"
szConnStr = szConnStr + "Initial Catalog=" + "Master1" + ";Data Source=" + Trim(txtServerName.Text)
ElseIf Option2.Value = True Then
szConnStr = "Provider=SQLOLEDB.1;Persist Security Info=true;Password=" + Trim(txtPassWord.Text)
szConnStr = szConnStr + ";User ID=" + Trim(txtUserID.Text)
szConnStr = szConnStr + ";Initial Catalog=" + "Master1" + " ;Data Source=" + Trim(txtServerName.Text)
End If
GetLgDownConnectionString = szConnStr
End Function
Private Sub txtUserID_LostFocus()
Call TestConnection
End Sub
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