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62 lines
2.8 KiB
62 lines
2.8 KiB
Imports System
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Imports System.Data
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Imports System.Data.SqlTypes
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Imports System.Data.SqlClient
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Namespace DB
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Public Class clsMyKey_Tabelle
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Inherits db.clsKey_tabelle
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Public Function get_dbkey(ByVal Tablename As String) As Long
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Dim m_dbkey As Long
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Dim scmCmdToExecute As SqlCommand = New SqlCommand()
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scmCmdToExecute.CommandText = "dbo.[sp_get_dbkey]"
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scmCmdToExecute.CommandType = CommandType.StoredProcedure
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' // Use base class' connection object
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scmCmdToExecute.Connection = m_scoMainConnection
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Try
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scmCmdToExecute.Parameters.Add(New SqlParameter("@Tablename", SqlDbType.VarChar, 255, ParameterDirection.Input, True, 0, 0, "", DataRowVersion.Proposed, Tablename))
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scmCmdToExecute.Parameters.Add(New SqlParameter("@dbkey", SqlDbType.Int, 4, ParameterDirection.Output, True, 10, 0, "", DataRowVersion.Proposed, m_dbkey))
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scmCmdToExecute.Parameters.Add(New SqlParameter("@iErrorCode", SqlDbType.Int, 4, ParameterDirection.Output, True, 10, 0, "", DataRowVersion.Proposed, m_iErrorCode))
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If m_bMainConnectionIsCreatedLocal Then
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' // Open connection.
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m_scoMainConnection.Open()
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Else
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If m_cpMainConnectionProvider.bIsTransactionPending Then
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scmCmdToExecute.Transaction = m_cpMainConnectionProvider.stCurrentTransaction
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End If
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End If
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' // Execute query.
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Try
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scmCmdToExecute.Connection.Open()
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Catch ex As Exception
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Finally
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End Try
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scmCmdToExecute.ExecuteNonQuery()
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m_dbkey = scmCmdToExecute.Parameters.Item("@dbkey").Value
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m_iErrorCode = New SqlInt32(CType(scmCmdToExecute.Parameters.Item("@iErrorCode").Value, SqlInt32))
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scmCmdToExecute.Connection.Close()
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If Not m_iErrorCode.Equals(New SqlInt32(LLBLError.AllOk)) Then
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' // Throw error.
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Throw New Exception("Stored Procedure 'sp_get_dbkey' reported the ErrorCode: " & m_iErrorCode.ToString())
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End If
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Return m_dbkey
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Catch ex As Exception
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' // some error occured. Bubble it to caller and encapsulate Exception object
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Throw New Exception("clsKey_tabelle::get_dbkey::Error occured." + ex.Message, ex)
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Finally
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If m_bMainConnectionIsCreatedLocal Then
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' // Close connection.
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m_scoMainConnection.Close()
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End If
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scmCmdToExecute.Dispose()
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End Try
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End Function
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End Class
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End Namespace
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