📄 frmlogin.frm
字号:
VERSION 5.00
Begin VB.Form frmLogin
BorderStyle = 1 'Fixed Single
Caption = "Login"
ClientHeight = 2520
ClientLeft = 2835
ClientTop = 3480
ClientWidth = 4050
ControlBox = 0 'False
Icon = "frmLogin.frx":0000
LinkTopic = "Form1"
LockControls = -1 'True
MaxButton = 0 'False
MinButton = 0 'False
ScaleHeight = 1488.898
ScaleMode = 0 'User
ScaleWidth = 3802.731
StartUpPosition = 2 'CenterScreen
Begin VB.ComboBox cmb_as
Height = 315
ItemData = "frmLogin.frx":24A2
Left = 1440
List = "frmLogin.frx":24AC
TabIndex = 0
ToolTipText = "Enter as"
Top = 240
Width = 2295
End
Begin VB.TextBox txt_uname
BeginProperty Font
Name = "MS Sans Serif"
Size = 9.75
Charset = 0
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
ForeColor = &H00400000&
Height = 345
Left = 1440
MaxLength = 20
TabIndex = 1
ToolTipText = "EmployeeID for employee"
Top = 840
Width = 2325
End
Begin VB.CommandButton cmdOK
Caption = "OK"
Default = -1 'True
Height = 390
Left = 1320
TabIndex = 3
ToolTipText = "Click to enter"
Top = 1920
Width = 1140
End
Begin VB.CommandButton cmdCancel
Cancel = -1 'True
Caption = "Cancel"
Height = 390
Left = 2640
TabIndex = 4
ToolTipText = "Click to abort"
Top = 1920
Width = 1140
End
Begin VB.TextBox txt_pass
BeginProperty Font
Name = "MS Sans Serif"
Size = 9.75
Charset = 0
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
ForeColor = &H00400000&
Height = 345
IMEMode = 3 'DISABLE
Left = 1440
MaxLength = 20
PasswordChar = "*"
TabIndex = 2
ToolTipText = "Password"
Top = 1320
Width = 2325
End
Begin VB.Label Label1
Caption = "&Enter as"
BeginProperty Font
Name = "MS Sans Serif"
Size = 8.25
Charset = 0
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
ForeColor = &H00800000&
Height = 255
Left = 240
TabIndex = 7
Top = 288
Width = 975
End
Begin VB.Label lblLabels
Caption = "&User Name:"
BeginProperty Font
Name = "MS Sans Serif"
Size = 8.25
Charset = 0
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
ForeColor = &H00800000&
Height = 270
Index = 0
Left = 240
TabIndex = 5
Top = 872
Width = 1080
End
Begin VB.Label lblLabels
Caption = "&Password:"
BeginProperty Font
Name = "MS Sans Serif"
Size = 8.25
Charset = 0
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
ForeColor = &H00800000&
Height = 270
Index = 1
Left = 240
TabIndex = 6
Top = 1354
Width = 1080
End
End
Attribute VB_Name = "frmLogin"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim str As String
Dim Loginrecord As ADODB.Recordset
Dim Loginconnection As ADODB.Connection
Private Sub cmb_as_Click()
If (cmb_as.Text = "Administrator") Then
txt_uname.Enabled = False
Else
txt_uname.Enabled = True
End If
txt_uname.Text = ""
End Sub
Private Sub cmdCancel_Click()
Unload mdi_start
End Sub
Private Sub cmdOK_Click()
If cmb_as.Text = "Administrator" Then
If (txt_pass.Text = "") Then
MsgBox "Please enter password.", vbInformation, "Password missing"
txt_pass.SetFocus
Exit Sub
End If
str = "Select Pass from Custom"
Loginrecord.Open str, Loginconnection, adOpenStatic, adLockOptimistic
If (txt_pass.Text = Loginrecord(0)) Then
Loginrecord.Close
uname = "Administrator"
mdi_start.Enabled = True
mdi_start.Show
Me.Hide
DoEvents
Load Frm_welcome
Frm_welcome.Show
mdi_start.mnu_administer.Enabled = True
Else
Loginrecord.Close
MsgBox "Invalid password.", vbInformation, "Acess Denied"
txt_pass.Text = ""
Exit Sub
End If
ElseIf cmb_as.Text = "Employee" Then
If (txt_uname.Text = "") Then
MsgBox "Please enter User name.", vbInformation, "Username missing"
ElseIf (txt_pass.Text = "") Then
MsgBox "Please enter password.", vbInformation, "Password missing"
Else
str = "Select count(*) from Emptab where Empid = '" & Trim(txt_uname.Text) & "' and Psword = '" & Trim(txt_pass.Text) & "'"
Loginrecord.Open str, Loginconnection, adOpenStatic, adLockOptimistic
If (Loginrecord(0) = 0) Then
MsgBox "Invalid password or Id.", vbInformation, "Acess Denied"
txt_uname.Text = ""
txt_pass.Text = ""
txt_uname.SetFocus
Loginrecord.Close
Exit Sub
Else
Loginrecord.Close
str = "Select Fname,Lname from Emptab where Empid = '" & Trim(txt_uname.Text) & "' and Psword = '" & Trim(txt_pass.Text) & "'"
Loginrecord.Open str, Loginconnection, adOpenStatic, adLockOptimistic
uname = Loginrecord(0) & " " & Loginrecord(1)
mdi_start.Enabled = True
mdi_start.Show
Me.Hide
DoEvents
Load Frm_welcome
Frm_welcome.Show
Loginrecord.Close
mdi_start.mnu_administer.Enabled = False
End If
End If
Else
MsgBox "Invalid enter Catagory.", vbCritical, "Invalid catagory"
End If
End Sub
Private Sub Form_Activate()
cmb_as.SetFocus
mdi_start.Enabled = False
End Sub
Private Sub Form_Load()
On Error GoTo errlable
Set Loginconnection = New ADODB.Connection
Loginconnection.CursorLocation = adUseClient
Loginconnection.Open "PROVIDER=Microsoft.Jet.OLEDB.4.0;" & "Data Source=" & App.Path & "\Database\Library.mdb;Jet OLEDB:Database Password=Library;"
str = "Select count(*) from Emptab"
Set Loginrecord = New ADODB.Recordset
Loginrecord.Open str, Loginconnection, adOpenStatic, adLockOptimistic
If (Loginrecord(0) = 0) Then
cmb_as.Text = "Administrator"
cmb_as.Locked = True
txt_uname.Enabled = False
End If
Loginrecord.Close
Exit Sub
errlable:
MsgBox Err.Number & Err.Description
End Sub
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