terms.cls

来自「成绩管理系统,使用VB6.0编写,相当不错,可以用于课程设计」· CLS 代码 · 共 75 行

VERSION 1.0 CLASS
BEGIN
  MultiUse = -1  'True
  Persistable = 0  'NotPersistable
  DataBindingBehavior = 0  'vbNone
  DataSourceBehavior  = 0  'vbNone
  MTSTransactionMode  = 0  'NotAnMTSObject
END
Attribute VB_Name = "Terms"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = True
Attribute VB_PredeclaredId = False
Attribute VB_Exposed = False
Public TermId As Long
Public TermName As String

Public Sub Init()
  TermId = 0
  TermName = ""
End Sub

'删除Salary数据
Public Sub Delete(ByVal TmpId As Long)
  SqlStmt = "DELETE FROM Terms WHERE TermId=" + Trim(TmpId)
  SQLExt (SqlStmt)
End Sub

Public Function GetName(ByVal TmpId As Long) As String
  Dim rs As New ADODB.Recordset
  SqlStmt = "SELECT TermName FROM Terms WHERE TermId=" + Trim(TmpId)
  Set rs = QueryExt(SqlStmt)
  If rs.EOF Then
    GetName = ""
    Exit Function
  Else
    If IsNull(rs.Fields(0)) Then
      GetName = 0
    Else
      GetName = Trim(rs.Fields(0))
    End If
  End If
  rs.Close
End Function

Public Function In_DB(ByVal TmpName As String) As Boolean
  Dim rs As New ADODB.Recordset
  SqlStmt = "SELECT * FROM Terms WHERE TermName='" + Trim(TmpName) + "'"
  Set rs = QueryExt(SqlStmt)
  If rs.EOF Then
    In_DB = False
  Else
    In_DB = True
  End If

  rs.Close
End Function

Public Sub Insert()
  SqlStmt = "INSERT INTO Terms (TermName) Values('" + Trim(TermName) + "')"
  SQLExt (SqlStmt)
End Sub

Public Sub Update(ByVal TmpId As Long)
  SqlStmt = "Update Terms Set TermName='" + Trim(TermName) + "' WHERE TermId=" _
          + Trim(TmpId)
  SQLExt (SqlStmt)
End Sub