144 lines
5.6 KiB
VB.net
144 lines
5.6 KiB
VB.net
Imports System.Data.SqlClient
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Imports System.Reflection
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Public Class cEZB_Waehrungskurse
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' Property ezb_id As Integer
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Property ezb_waehrungscode As String = ""
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Property ezb_waehrungsschluessel As Object = Nothing
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Property ezb_datum As Date
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Property ezb_kurs As Double
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Dim SQL As New SQL
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Sub New()
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End Sub
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' Sub New(ezb_id As Integer)
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' Me.ezb_id = ezb_id
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' LOAD_ById(ezb_id)
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' End Sub
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Sub New(ezb_waehrungscode As String)
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Me.ezb_waehrungscode = ezb_waehrungscode
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LOAD_ByWaehrungscode(ezb_waehrungscode)
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End Sub
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Public Function getParameterList() As List(Of VERAG_PROG_ALLGEMEIN.SQLVariable)
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Dim list As New List(Of VERAG_PROG_ALLGEMEIN.SQLVariable)
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'list.Add(New VERAG_PROG_ALLGEMEIN.SQLVariable("ezb_id", ezb_id, , True, True))
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list.Add(New VERAG_PROG_ALLGEMEIN.SQLVariable("ezb_waehrungscode", ezb_waehrungscode))
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If Me.ezb_waehrungsschluessel Is Nothing Then
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Me.ezb_waehrungsschluessel = SQL.getValueTxtBySql(" Select TOP 1 isnull([Währungsschlüssel] ,'') FROM [Währungstabelle] where [Währungscode]='" & Me.ezb_waehrungscode & "' ", "FMZOLL")
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End If
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list.Add(New VERAG_PROG_ALLGEMEIN.SQLVariable("ezb_waehrungsschluessel", ezb_waehrungsschluessel))
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list.Add(New VERAG_PROG_ALLGEMEIN.SQLVariable("ezb_datum", ezb_datum))
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list.Add(New VERAG_PROG_ALLGEMEIN.SQLVariable("ezb_kurs", ezb_kurs))
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Return list
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End Function
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Public Function SAVE() As Boolean
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Dim list As List(Of VERAG_PROG_ALLGEMEIN.SQLVariable) = getParameterList()
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Dim sqlstr = " BEGIN TRAN IF EXISTS(SELECT * FROM tblEZB_Waehrungskurse WITH(updlock,serializable) WHERE ezb_waehrungscode=@ezb_waehrungscode AND ezb_datum=@ezb_datum) " &
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" BEGIN " & getUpdateCmd() & " END " &
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" Else " &
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" BEGIN " & getInsertCmd() & " END " &
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" commit tran "
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' ezb_id = SQL.doSQLVarListID(ezb_id, sqlstr, "FMZOLL", , list)
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' Return ezb_id > 0
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Return SQL.doSQLVarList(sqlstr, "FMZOLL", , list)
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End Function
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Public Sub LOAD_ByWaehrungscode(ezb_waehrungscode As String)
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Try
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Using conn As SqlConnection = SQL.GetNewOpenConnectionFMZOLL()
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Using cmd As New SqlCommand("SELECT * FROM tblEZB_Waehrungskurse WHERE ezb_waehrungscode=@ezb_waehrungscode ORDER BY ezb_datum DeSC ", conn)
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cmd.Parameters.AddWithValue("@ezb_waehrungscode", ezb_waehrungscode)
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Dim dr = cmd.ExecuteReader()
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If dr.Read Then
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For Each l In getParameterList()
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Dim propInfo As PropertyInfo = Me.GetType.GetProperty(l.Scalarvariable)
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If dr.Item(l.Text) Is DBNull.Value Then
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propInfo.SetValue(Me, Nothing)
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Else
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propInfo.SetValue(Me, dr.Item(l.Text))
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End If
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Next
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End If
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dr.Close()
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End Using
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End Using
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Catch ex As Exception
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MsgBox("Fehler in der Funktion '" & System.Reflection.MethodInfo.GetCurrentMethod.Name & "'" & vbNewLine & vbNewLine & ex.Message & vbNewLine & vbNewLine & ex.StackTrace)
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End Try
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End Sub
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Public Function getUpdateCmd() As String
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Try
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Dim list As List(Of VERAG_PROG_ALLGEMEIN.SQLVariable) = getParameterList()
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Dim str As String = ""
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For Each i In list
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If Not i.isPrimaryParam Then
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str &= "[" & i.Text & "] = @" & i.Scalarvariable & "," '.Replace("-", "").Replace(" ", "") & ","
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End If
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Next
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str = str.Substring(0, str.Length - 1) 'wg. ','
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Return (" UPDATE [tblEZB_Waehrungskurse] SET " & str & " WHERE ezb_waehrungscode=@ezb_waehrungscode AND ezb_datum=@ezb_datum ")
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Catch ex As Exception
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MsgBox("Fehler in der Funktion '" & System.Reflection.MethodInfo.GetCurrentMethod.Name & "'" & vbNewLine & vbNewLine & ex.Message & vbNewLine & vbNewLine & ex.StackTrace)
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End Try
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Return ""
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End Function
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Public Function getInsertCmd() As String
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Try
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Dim list As List(Of VERAG_PROG_ALLGEMEIN.SQLVariable) = getParameterList()
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Dim str As String = ""
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Dim values As String = ""
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For Each i In list
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If Not i.isPrimaryParam Then
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str &= "[" & i.Text & "],"
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values &= "@" & i.Scalarvariable & "," '.Replace("-", "").Replace(" ", "") & ","
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End If
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Next
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str = str.Substring(0, str.Length - 1) 'wg. ','
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values = values.Substring(0, values.Length - 1) 'wg. ','
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Return (" INSERT INTO tblEZB_Waehrungskurse (" & str & ") VALUES(" & values & ") ")
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Catch ex As Exception
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MsgBox("Fehler in der Funktion '" & System.Reflection.MethodInfo.GetCurrentMethod.Name & "'" & vbNewLine & vbNewLine & ex.Message & vbNewLine & vbNewLine & ex.StackTrace)
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End Try
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Return ""
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End Function
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Public Function DELETE() As Boolean 'obj As Object, tablename As String, where As String) As Boolean
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Dim sqlstr = " DELETE FROM [tblEZB_Waehrungskurse] WITH(updlock,serializable) WHERE ezb_waehrungscode='" & ezb_waehrungscode & "' AND ezb_datum='" & ezb_datum & "' "
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Return SQL.doSQL(sqlstr, "FMZOLL")
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End Function
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End Class
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