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<body topmargin=0 id="bodyID" class = "dtBODY"><!--NONSCROLLING BANNER START-->
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<TABLE CLASS="bannerparthead" CELLSPACING=0>
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<TR ID="hdr">
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<TD CLASS="runninghead" nowrap>Vertragsverwaltung-Klassenbibliothek</TD>
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<TD CLASS="product" nowrap> </TD>
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<H1 class="dtH1"><A NAME="topic_0000000000000524"></A>clsPerson.SelectOne -Methode</H1>
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<!--NONSCROLLING BANNER END-->
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<DIV id="nstext" valign="bottom"><!---->
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<P>Purpose: Select method. This method will Select one existing row from the database, based on the Primary Key.</P>
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<PRE class="syntax"><SPAN class="lang">[Visual Basic]
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</SPAN><B>Public Overrides Function SelectOne() As <a href="ms-help://MS.NETFrameworkSDKv1.1/cpref/html/frlrfSystemDataDataTableClassTopic.htm">DataTable</a></B></PRE>
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<H4 class="dtH4">Rückgabewert</H4>
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<P>DataTable object if succeeded, otherwise an Exception is thrown.</P>
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<H4 class="dtH4">Hinweise</H4>
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<P>Properties needed for this method:
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<UL>
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<LI>iPersonNr</LI>
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</UL>
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Properties set after a succesful call of this method:
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<UL>
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<LI>iErrorCode</LI>
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<LI>iPersonNr</LI>
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<LI>iVertragspartnernr</LI>
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<LI>sName</LI>
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<LI>sVorname</LI>
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<LI>sStrasse</LI>
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<LI>sPostfach</LI>
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<LI>sPlz</LI>
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<LI>sOrt</LI>
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<LI>sTelefon</LI>
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<LI>sTelefax</LI>
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<LI>sEMail</LI>
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<LI>sInternet</LI>
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<LI>sBemerkung</LI>
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<LI>bAktiv</LI>
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<LI>daErstellt_am</LI>
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<LI>daMutiert_am</LI>
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<LI>iMutierer</LI>
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<LI>iMandantNr</LI>
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<LI>iSecurityLevelNr</LI>
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<LI>iPersonFunktionNr</LI>
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</UL>
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Will fill all properties corresponding with a field in the table with the value of the row selected.</P>
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<H4 class="dtH4">Quellcode</H4>
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<pre class="code"><SPAN class="lang">[Visual Basic]</SPAN>
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Overrides Public Function SelectOne() As DataTable <br> Dim scmCmdToExecute As SqlCommand = New SqlCommand() <br> scmCmdToExecute.CommandText = "dbo.[pr_Person_SelectOne]" <br> scmCmdToExecute.CommandType = CommandType.StoredProcedure <br> Dim dtToReturn As DataTable = new DataTable("Person") <br> Dim sdaAdapter As SqlDataAdapter = new SqlDataAdapter(scmCmdToExecute) <br> <br> ' // Use base class' connection object <br> scmCmdToExecute.Connection = m_scoMainConnection <br> <br> Try <br> scmCmdToExecute.Parameters.Add(new SqlParameter("@iPersonNr", SqlDbType.Int, 4, ParameterDirection.Input, False, 10, 0, "", DataRowVersion.Proposed, m_iPersonNr)) <br> scmCmdToExecute.Parameters.Add(new SqlParameter("@iErrorCode", SqlDbType.Int, 4, ParameterDirection.Output, True, 10, 0, "", DataRowVersion.Proposed, m_iErrorCode)) <br> <br> If m_bMainConnectionIsCreatedLocal Then <br> ' // Open connection. <br> m_scoMainConnection.Open() <br> Else <br> If m_cpMainConnectionProvider.bIsTransactionPending Then <br> scmCmdToExecute.Transaction = m_cpMainConnectionProvider.stCurrentTransaction <br> End If <br> End If <br> <br> ' // Execute query. <br> sdaAdapter.Fill(dtToReturn) <br> m_iErrorCode = New SqlInt32(CType(scmCmdToExecute.Parameters.Item("@iErrorCode").Value, SqlInt32)) <br> <br> If Not m_iErrorCode.Equals(New SqlInt32(LLBLError.AllOk)) Then <br> ' // Throw error. <br> Throw New Exception("Stored Procedure 'pr_Person_SelectOne' reported the ErrorCode: " & m_iErrorCode.ToString()) <br> End If <br> <br> If dtToReturn.Rows.Count > 0 Then <br> m_iPersonNr = New SqlInt32(CType(dtToReturn.Rows(0)("PersonNr"), Integer)) <br> If dtToReturn.Rows(0)("Vertragspartnernr") Is System.DBNull.Value Then <br> m_iVertragspartnernr = SqlInt32.Null <br> Else <br> m_iVertragspartnernr = New SqlInt32(CType(dtToReturn.Rows(0)("Vertragspartnernr"), Integer)) <br> End If <br> If dtToReturn.Rows(0)("Name") Is System.DBNull.Value Then <br> m_sName = SqlString.Null <br> Else <br> m_sName = New SqlString(CType(dtToReturn.Rows(0)("Name"), String)) <br> End If <br> If dtToReturn.Rows(0)("Vorname") Is System.DBNull.Value Then <br> m_sVorname = SqlString.Null <br> Else <br> m_sVorname = New SqlString(CType(dtToReturn.Rows(0)("Vorname"), String)) <br> End If <br> If dtToReturn.Rows(0)("Strasse") Is System.DBNull.Value Then <br> m_sStrasse = SqlString.Null <br> Else <br> m_sStrasse = New SqlString(CType(dtToReturn.Rows(0)("Strasse"), String)) <br> End If <br> If dtToReturn.Rows(0)("Postfach") Is System.DBNull.Value Then <br> m_sPostfach = SqlString.Null <br> Else <br> m_sPostfach = New SqlString(CType(dtToReturn.Rows(0)("Postfach"), String)) <br> End If <br> If dtToReturn.Rows(0)("Plz") Is System.DBNull.Value Then <br> m_sPlz = SqlString.Null <br> Else <br> m_sPlz = New SqlString(CType(dtToReturn.Rows(0)("Plz"), String)) <br> End If <br> If dtToReturn.Rows(0)("Ort") Is System.DBNull.Value Then <br> m_sOrt = SqlString.Null <br> Else <br> m_sOrt = New SqlString(CType(dtToReturn.Rows(0)("Ort"), String)) <br> End If <br> If dtToReturn.Rows(0)("Telefon") Is System.DBNull.Value Then <br> m_sTelefon = SqlString.Null <br> Else <br> m_sTelefon = New SqlString(CType(dtToReturn.Rows(0)("Telefon"), String)) <br> End If <br> If dtToReturn.Rows(0)("Telefax") Is System.DBNull.Value Then <br> m_sTelefax = SqlString.Null <br> Else <br> m_sTelefax = New SqlString(CType(dtToReturn.Rows(0)("Telefax"), String)) <br> End If <br> If dtToReturn.Rows(0)("EMail") Is System.DBNull.Value Then <br> m_sEMail = SqlString.Null <br> Else <br> m_sEMail = New SqlString(CType(dtToReturn.Rows(0)("EMail"), String)) <br> End If <br> If dtToReturn.Rows(0)("Internet") Is System.DBNull.Value Then <br> m_sInternet = SqlString.Null <br> Else <br> m_sInternet = New SqlString(CType(dtToReturn.Rows(0)("Internet"), String)) <br> End If <br> If dtToReturn.Rows(0)("Bemerkung") Is System.DBNull.Value Then <br> m_sBemerkung = SqlString.Null <br> Else <br> m_sBemerkung = New SqlString(CType(dtToReturn.Rows(0)("Bemerkung"), String)) <br> End If <br> If dtToReturn.Rows(0)("Aktiv") Is System.DBNull.Value Then <br> m_bAktiv = SqlBoolean.Null <br> Else <br> m_bAktiv = New SqlBoolean(CType(dtToReturn.Rows(0)("Aktiv"), Boolean)) <br> End If <br> If dtToReturn.Rows(0)("Erstellt_am") Is System.DBNull.Value Then <br> m_daErstellt_am = SqlDateTime.Null <br> Else <br> m_daErstellt_am = New SqlDateTime(CType(dtToReturn.Rows(0)("Erstellt_am"), Date)) <br> End If <br> If dtToReturn.Rows(0)("Mutiert_am") Is System.DBNull.Value Then <br> m_daMutiert_am = SqlDateTime.Null <br> Else <br> m_daMutiert_am = New SqlDateTime(CType(dtToReturn.Rows(0)("Mutiert_am"), Date)) <br> End If <br> If dtToReturn.Rows(0)("Mutierer") Is System.DBNull.Value Then <br> m_iMutierer = SqlInt32.Null <br> Else <br> m_iMutierer = New SqlInt32(CType(dtToReturn.Rows(0)("Mutierer"), Integer)) <br> End If <br> If dtToReturn.Rows(0)("MandantNr") Is System.DBNull.Value Then <br> m_iMandantNr = SqlInt32.Null <br> Else <br> m_iMandantNr = New SqlInt32(CType(dtToReturn.Rows(0)("MandantNr"), Integer)) <br> End If <br> If dtToReturn.Rows(0)("SecurityLevelNr") Is System.DBNull.Value Then <br> m_iSecurityLevelNr = SqlInt32.Null <br> Else <br> m_iSecurityLevelNr = New SqlInt32(CType(dtToReturn.Rows(0)("SecurityLevelNr"), Integer)) <br> End If <br> If dtToReturn.Rows(0)("PersonFunktionNr") Is System.DBNull.Value Then <br> m_iPersonFunktionNr = SqlInt32.Null <br> Else <br> m_iPersonFunktionNr = New SqlInt32(CType(dtToReturn.Rows(0)("PersonFunktionNr"), Integer)) <br> End If <br> End If <br> Return dtToReturn <br> Catch ex As Exception <br> ' // some error occured. Bubble it to caller and encapsulate Exception object <br> Throw New Exception("clsPerson::SelectOne::Error occured.", ex) <br> Finally <br> If m_bMainConnectionIsCreatedLocal Then <br> ' // Close connection. <br> m_scoMainConnection.Close() <br> End If <br> scmCmdToExecute.Dispose() <br> sdaAdapter.Dispose() <br> End Try <br> End Function
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</pre>
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<H4 class="dtH4">Forderungen</H4>
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<P><b class="le">Plattformen: </b>Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition</P>
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<H4 class="dtH4">Siehe auch</H4>
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<p>
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<a href="topic_0000000000000508.html">clsPerson</a>
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