98 lines
5.9 KiB
HTML
98 lines
5.9 KiB
HTML
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<meta name="DC.Title" content="Signon dialog behavior" />
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<meta name="abstract" content="The signon dialog behavior has been simplified from the behavior seen in previous iSeries Access for Windows ODBC drivers. The signon dialog behavior is based on how your data source is set up and which ODBC API (SQLConnect, SQLDriverConnect, SQLBrowseConnect) your application uses to connect." />
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<title>Signon dialog behavior</title>
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<body id="signon"><a name="signon"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">Signon dialog behavior</h1>
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<div><p>The signon dialog behavior has been simplified from the behavior
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seen in previous iSeries™ Access
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for Windows<sup>®</sup> ODBC
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drivers. The signon dialog behavior is based on how your data source is set
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up and which ODBC API (SQLConnect, SQLDriverConnect, SQLBrowseConnect) your
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application uses to connect.</p>
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<div class="section"><div class="p">When configuring an ODBC data source there are two options which
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can influence the signon dialog behavior. These are both located on the dialog
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you get after clicking <span class="uicontrol">Connection Options</span> on the <span class="uicontrol">General</span> tab
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of the DSN Setup GUI. <div class="note"><span class="notetitle">Note:</span> On the DSN setup GUI there is an option which
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controls whether or not a dialog prompting for signon information is allowed
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or not. An application that calls SQLConnect in a 3-tier environment should
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always choose 'Never prompt for SQLConnect'. This 3-tier application also
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needs to make sure it specifies the userid and password when calling SQLConnect. </div>
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</div>
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<ul><li> In the <strong>Default user ID</strong> section you can specify which default user
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ID to use: <ul><li>Use Windows user name</li>
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<li>Use the user ID specified below</li>
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<li>None</li>
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<li>Use iSeries Navigator
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default</li>
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<li>Use Kerberos principal</li>
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</ul>
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</li>
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<li>In the <strong>Signon dialog prompting</strong> section you can specify if the signon
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dialog should be prompted if your application uses the SQLConnect ODBC API. </li>
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</ul>
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</div>
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<div class="section"><p> When coding your application you have total control over how
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the userid, password, and signon dialog prompting will behave. The userid
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and password that is used is figured out in the following order: </p>
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</div>
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<div class="section"> <ol><li>Userid / Password arguments specified by the application. <ul><li>The SQLConnect API accepts <span>userid</span> and <span>password</span> arguments.</li>
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<li>The SQLDriverConnect and SQLBrowseConnect APIs accept the <span>UID, PWD,
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and SIGNON </span>connection string keywords.</li>
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</ul>
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</li>
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<li>GUI setting for Default user ID </li>
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</ol>
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</div>
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<div class="section"><p>The signon dialog prompting depends on which ODBC API is used
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by the application to connect. SQLConnect prompts the signon dialog if needed
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unless the GUI setting for Signon dialog prompting says to never prompt.
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SQLDriverConnect prompts the signon dialog according to the value of the DriverCompletion.
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A setting of SQL_DRIVER_NOPROMPT will prevent any signon dialogs from being
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prompted. A setting of SQL_DRIVER_PROMPT, SQL_DRIVER_COMPLETE or SQL_DRIVER_COMPLETE_REQUIRED
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will prompt the signon dialog if needed. SQLBrowseConnect prompts the signon
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dialog if needed.</p>
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</div>
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<div class="section"><h4 class="sectiontitle">ActiveX Data Objects (ADO) prompting</h4><p>When
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coding your ODBC application using ActiveX Data Objects (ADO) the default
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behavior for prompting is <span class="uicontrol">adPromptNever</span>. To prompt
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differently, set the Prompt property on the Connection object prior to calling
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the Connection's Open method. For example, the following ADO code would result
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in prompting only as needed. Adding the SIGNON, UID, or PWD keywords allow
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you to have more control over the amount of prompting. </p>
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<pre>Dim conn As New ADODB.Connection
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conn.Properties("Prompt") = adPromptComplete
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conn.Open "Provider = MSDASQL;DSN=myODBCDSN; </pre>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzaikodbcapifunctions.htm" title="Learn about implementations issues when using ODBC APIs.">Implementation issues of ODBC APIs</a></div>
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</div>
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</div>
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</body>
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</html> |