Public Class CBackupManage Public Const cst_TABLE_NAME As String = "备份记录表" Public Shared m_COLS_NAME() As String = { "序号", "备份时间" } Public Enum COLS 序号 备份时间 End Enum '权限 Public Shared AccessRight As Integer = RIGHTS.NONE Public Sub New() End Sub Public Function SetBackupTime(ByVal timeString As String) As Boolean Dim strSql As String = "UPDATE " & cst_TABLE_NAME & " SET " & m_COLS_NAME(COLS.备份时间) & "=" & timeString & " WHERE " & m_COLS_NAME(COLS.序号) & "=" & "1" return SQL_ExeCommand(COL_RIGHTS.BOM管理, strSql) End Function Public Function GetBackupTime(ByRef timeString As String) As Boolean Dim strSql As String = "SELECT " & m_COLS_NAME(COLS.备份时间) & " FROM " & cst_TABLE_NAME & " WHERE " & m_COLS_NAME(COLS.序号) & "=" & "1" Dim r_Table As New DataTable If SQL_Query(COL_RIGHTS.BOM管理, strSql, r_Table) = True Then timeString = r_Table.Rows(0).Item(0) Return True End If Return False End Function End Class