109 lines
4.7 KiB
VB.net
109 lines
4.7 KiB
VB.net
Imports Oracle.ManagedDataAccess.Client
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Public Class ClassDatabase
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Private Shared SQLSERVERConnectionString As String
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Private Shared OracleConnectionString As String
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Public Shared Function Init()
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Try
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SQLSERVERConnectionString = MyConnectionString
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Dim SQLconnect As New SqlClient.SqlConnection
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SQLconnect.ConnectionString = SQLSERVERConnectionString
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SQLconnect.Open()
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SQLconnect.Close()
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Return True
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Catch ex As Exception
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ClassLogger.Add("Fehler bei Database-Init: " & ex.Message, True)
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Return False
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End Try
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End Function
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Public Shared Function Return_Datatable(Select_anweisung As String, Optional userInput As Boolean = False)
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Try
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Dim SQLconnect As New SqlClient.SqlConnection
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Dim SQLcommand As SqlClient.SqlCommand
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SQLconnect.ConnectionString = SQLSERVERConnectionString
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SQLconnect.Open()
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SQLcommand = SQLconnect.CreateCommand
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SQLcommand.CommandText = Select_anweisung
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Dim adapter1 As SqlClient.SqlDataAdapter = New SqlClient.SqlDataAdapter(SQLcommand)
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Dim dt As DataTable = New DataTable()
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adapter1.Fill(dt)
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SQLconnect.Close()
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Return dt
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Catch ex As Exception
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If userInput = True Then
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MsgBox("Error in Return Datatable - Error-Message:" & vbNewLine & ex.Message & vbNewLine & "SQL-Command:" & vbNewLine & Select_anweisung, MsgBoxStyle.Critical)
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End If
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ClassLogger.Add("Fehler bei Return_Datatable: " & ex.Message, True)
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ClassLogger.Add("#SQL: " & Select_anweisung, False)
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Return Nothing
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End Try
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End Function
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Public Shared Function Execute_non_Query(ExecuteCMD As String, Optional userInput As Boolean = False)
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Try
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Dim SQLconnect As New SqlClient.SqlConnection
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Dim SQLcommand As SqlClient.SqlCommand
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SQLconnect.ConnectionString = SQLSERVERConnectionString
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SQLconnect.Open()
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SQLcommand = SQLconnect.CreateCommand
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'Update Last Created Record in Foo
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SQLcommand.CommandText = ExecuteCMD
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SQLcommand.ExecuteNonQuery()
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SQLcommand.Dispose()
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SQLconnect.Close()
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Return True
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Catch ex As Exception
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If userInput = True Then
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MsgBox("Error in Execute non query - Error-Message:" & vbNewLine & ex.Message & vbNewLine & "SQL-Command:" & vbNewLine & ExecuteCMD, MsgBoxStyle.Critical)
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End If
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ClassLogger.Add("Fehler bei Execute_non_Query: " & ex.Message, True)
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ClassLogger.Add("#SQL: " & ExecuteCMD, False)
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Return False
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End Try
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End Function
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Public Shared Function Execute_Scalar(cmdscalar As String, ConString As String, Optional userInput As Boolean = False)
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Dim result
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Try
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Dim SQLconnect As New SqlClient.SqlConnection
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Dim SQLcommand As SqlClient.SqlCommand
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SQLconnect.ConnectionString = ConString
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SQLconnect.Open()
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SQLcommand = SQLconnect.CreateCommand
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'Update Last Created Record in Foo
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SQLcommand.CommandText = cmdscalar
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result = SQLcommand.ExecuteScalar()
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SQLcommand.Dispose()
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SQLconnect.Close()
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Return result
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Catch ex As Exception
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If userInput = True Then
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MsgBox("Error in Execute Scalar - Error-Message:" & vbNewLine & ex.Message & vbNewLine & "SQL-Command:" & vbNewLine & cmdscalar, MsgBoxStyle.Critical)
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End If
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ClassLogger.Add("Fehler bei Execute_Scalar: " & ex.Message, True)
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ClassLogger.Add("#SQL: " & cmdscalar, False)
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Return Nothing
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End Try
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End Function
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Public Shared Function OracleExecute_Scalar(cmdscalar As String, OracleConnection As String)
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Dim result
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Try
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Dim SQLconnect As New OracleConnection
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Dim SQLcommand As New OracleCommand
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SQLconnect.ConnectionString = OracleConnection
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SQLconnect.Open()
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SQLcommand = SQLconnect.CreateCommand
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'Update Last Created Record in Foo
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SQLcommand.CommandText = cmdscalar
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result = SQLcommand.ExecuteScalar()
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SQLcommand.Dispose()
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SQLconnect.Close()
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Return result
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Catch ex As Exception
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ClassLogger.Add("Fehler bei OracleExecute_Scalar: " & ex.Message, True)
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ClassLogger.Add("#SQL: " & cmdscalar, False)
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Return Nothing
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End Try
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End Function
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End Class
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