frmaddreaderstyle.frm

图书管理系统vb源代码。里面有毕业论文和图书管理系统vb源代码。

VERSION 5.00
Begin VB.Form frmaddreaderstyle 
   Caption         =   "添加读者类别"
   ClientHeight    =   4590
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   6120
   LinkTopic       =   "Form2"
   MaxButton       =   0   'False
   ScaleHeight     =   4590
   ScaleWidth      =   6120
   StartUpPosition =   2  '屏幕中心
   Begin VB.CommandButton cmdCancle 
      Caption         =   "取消"
      Height          =   615
      Left            =   3240
      TabIndex        =   9
      Top             =   3600
      Width           =   1095
   End
   Begin VB.CommandButton cmdOK 
      Caption         =   "确定"
      Height          =   615
      Left            =   960
      TabIndex        =   8
      Top             =   3600
      Width           =   1215
   End
   Begin VB.TextBox txtMaxDate 
      Height          =   495
      Left            =   2160
      TabIndex        =   7
      Top             =   2520
      Width           =   1575
   End
   Begin VB.TextBox txtDate 
      Height          =   495
      Left            =   2160
      TabIndex        =   6
      Top             =   1800
      Width           =   1575
   End
   Begin VB.TextBox txtBookNum 
      Height          =   495
      Left            =   2160
      TabIndex        =   5
      Top             =   1080
      Width           =   1575
   End
   Begin VB.TextBox txtReaderType 
      Height          =   495
      Left            =   2160
      TabIndex        =   4
      Top             =   360
      Width           =   1575
   End
   Begin VB.Label Label4 
      AutoSize        =   -1  'True
      Caption         =   "有限期限"
      Height          =   180
      Left            =   960
      TabIndex        =   3
      Top             =   2640
      Width           =   720
   End
   Begin VB.Label Label3 
      AutoSize        =   -1  'True
      Caption         =   "借书期限"
      Height          =   180
      Left            =   960
      TabIndex        =   2
      Top             =   1920
      Width           =   720
   End
   Begin VB.Label Label2 
      AutoSize        =   -1  'True
      Caption         =   "借书数量"
      Height          =   180
      Left            =   960
      TabIndex        =   1
      Top             =   1200
      Width           =   720
   End
   Begin VB.Label Label1 
      AutoSize        =   -1  'True
      Caption         =   "读者种类"
      Height          =   180
      Left            =   960
      TabIndex        =   0
      Top             =   600
      Width           =   720
   End
End
Attribute VB_Name = "frmaddreaderstyle"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit
Dim rs_readerstyle As New ADODB.Recordset

Private Sub cmdOK_Click()
Dim sql As String
If Trim(txtReaderType.Text) = "" Then
   MsgBox "读者种类不能为空", vbOKOnly + vbExclamation, ""
   txtReaderType.SetFocus
   Exit Sub
End If
If Trim(txtBookNum.Text) = "" Then
   MsgBox "借书数量不能为空", vbOKOnly + vbExclamation, ""
   txtBookNum.SetFocus
   Exit Sub
End If
If Trim(txtDate.Text) = "" Then
   MsgBox "借书期限不能为空", vbOKOnly + vbExclamation, ""
   txtDate.SetFocus
   Exit Sub
End If
If Trim(txtMaxDate.Text) = "" Then
   MsgBox "有限期限不能为空", vbOKOnly + vbExclamation, ""
   txtMaxDate.SetFocus
   Exit Sub
End If
sql = "select * from 读者类别 where 种类名称='" & txtReaderType.Text & "'"
rs_readerstyle.Open sql, conn, adOpenKeyset, adLockPessimistic
If rs_readerstyle.EOF Then
   rs_readerstyle.AddNew
   rs_readerstyle.Fields(0) = Trim(txtReaderType.Text)
   rs_readerstyle.Fields(1) = CInt(txtBookNum.Text)
   rs_readerstyle.Fields(2) = CInt(txtDate.Text)
   rs_readerstyle.Fields(3) = CInt(txtMaxDate.Text)
   rs_readerstyle.Update
   MsgBox "添加读者类别成功！", vbOKOnly, ""
   rs_readerstyle.Close
Else
   MsgBox "读者类别重复！", vbOKOnly + vbExclamation, ""
   txtReaderType.SetFocus
   txtReaderType.Text = ""
   rs_readerstyle.Close
   Exit Sub
End If

End Sub

Private Sub cmdCancle_Click()
Unload Me
End Sub