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<?xml-stylesheet type="text/xsl" href="https://www.dotnetzone.gr:443/cs/utility/FeedStylesheets/rss.xsl" media="screen"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" xmlns:wfw="http://wellformedweb.org/CommentAPI/"><channel><title>ADO.NET</title><link>https://www.dotnetzone.gr:443/cs/forums/78/ShowForum.aspx</link><description>Θέματα σχετικά με την προσπέλαση δεδομένων μέσω του ADO.NET και του System.Data namespace</description><dc:language>el</dc:language><generator>CommunityServer 2.1 SP3 (Build: 20423.1)</generator><item><title>Dateadd σε SQL</title><link>https://www.dotnetzone.gr:443/cs/forums/thread/11669.aspx</link><pubDate>Fri, 07 Apr 2006 19:53:14 GMT</pubDate><guid isPermaLink="false">2622095e-976c-431a-859e-16783ec7ecd7:11669</guid><dc:creator>sovilo</dc:creator><slash:comments>0</slash:comments><comments>https://www.dotnetzone.gr:443/cs/forums/thread/11669.aspx</comments><wfw:commentRss>https://www.dotnetzone.gr:443/cs/forums/commentrss.aspx?SectionID=78&amp;PostID=11669</wfw:commentRss><description>Εχω ένα πίνακα που περιλαμβάνει ένα field date της μορφής dd/mm/yyyy hh:mm:ss . Προσπαθώ να πάρω όλες τις εγγραφές για μια μόνο ημέρα ανεξάρτητα από την ώρα. Ετσι σύνταξα την παρακάτω πρόταση σε sql &lt;br&gt;&lt;br&gt;&lt;span style="color: Black;background-color: Transparent;font-family: Courier New;font-size: 11px;font-weight: normal;"&gt;SelectCommand="&lt;span style="color: Blue;background-color: Transparent;font-family: Courier New;font-size: 11px;font-weight: normal;"&gt;SELECT&lt;/span&gt; [id], [fld_date] &lt;span style="color: Blue;background-color: Transparent;font-family: Courier New;font-size: 11px;font-weight: normal;"&gt;FROM&lt;/span&gt; [mytable] &lt;span style="color: Blue;background-color: Transparent;font-family: Courier New;font-size: 11px;font-weight: normal;"&gt;WHERE&lt;/span&gt; (([fld_date] &amp;gt; ?) &lt;span style="color: Silver;background-color: Transparent;font-family: Courier New;font-size: 11px;font-weight: normal;"&gt;AND&lt;/span&gt; ([fld_date] &amp;lt; &lt;span style="color: Fuchsia;background-color: Transparent;font-family: Courier New;font-size: 11px;font-weight: normal;"&gt;dateadd&lt;/span&gt;(&lt;span style="color: Fuchsia;background-color: Transparent;font-family: Courier New;font-size: 11px;font-weight: normal;"&gt;day&lt;/span&gt;, 1 , ?) )) &lt;span style="color: Blue;background-color: Transparent;font-family: Courier New;font-size: 11px;font-weight: normal;"&gt;ORDER&lt;/span&gt; &lt;span style="color: Blue;background-color: Transparent;font-family: Courier New;font-size: 11px;font-weight: normal;"&gt;BY&lt;/span&gt; [fld_date]"&lt;/span&gt;&lt;br&gt;&lt;br&gt;Με παραμέτρους &lt;br&gt;&lt;br&gt;&lt;span style="color: Black;background-color: Transparent;font-family: Courier New;font-size: 11px;font-weight: normal;"&gt;&lt;span style="color: Blue;background-color: Transparent;font-family: Courier New;font-size: 11px;font-weight: normal;"&gt;&amp;lt;&lt;/span&gt;&lt;span style="color: Maroon;background-color: Transparent;font-family: Courier New;font-size: 11px;font-weight: normal;"&gt;SelectParameters&lt;/span&gt;&lt;span style="color: Blue;background-color: Transparent;font-family: Courier New;font-size: 11px;font-weight: normal;"&gt;&amp;gt;&lt;/span&gt;&lt;br /&gt;                &lt;span style="color: Blue;background-color: Transparent;font-family: Courier New;font-size: 11px;font-weight: normal;"&gt;&amp;lt;&lt;/span&gt;&lt;span style="color: Maroon;background-color: Transparent;font-family: Courier New;font-size: 11px;font-weight: normal;"&gt;asp:FormParameter&lt;/span&gt; &lt;span style="color: Red;background-color: Transparent;font-family: Courier New;font-size: 11px;font-weight: normal;"&gt;FormField&lt;/span&gt;&lt;span style="color: Blue;background-color: Transparent;font-family: Courier New;font-size: 11px;font-weight: normal;"&gt;="txtdate"&lt;/span&gt; &lt;span style="color: Red;background-color: Transparent;font-family: Courier New;font-size: 11px;font-weight: normal;"&gt;Name&lt;/span&gt;&lt;span style="color: Blue;background-color: Transparent;font-family: Courier New;font-size: 11px;font-weight: normal;"&gt;="fld_date"&lt;/span&gt; &lt;span style="color: Red;background-color: Transparent;font-family: Courier New;font-size: 11px;font-weight: normal;"&gt;Type&lt;/span&gt;&lt;span style="color: Blue;background-color: Transparent;font-family: Courier New;font-size: 11px;font-weight: normal;"&gt;="DateTime"&lt;/span&gt; &lt;span style="color: Blue;background-color: Transparent;font-family: Courier New;font-size: 11px;font-weight: normal;"&gt;/&amp;gt;&lt;/span&gt;&lt;br /&gt;               &lt;span style="color: Blue;background-color: Transparent;font-family: Courier New;font-size: 11px;font-weight: normal;"&gt;&amp;lt;&lt;/span&gt;&lt;span style="color: Maroon;background-color: Transparent;font-family: Courier New;font-size: 11px;font-weight: normal;"&gt;asp:FormParameter&lt;/span&gt; &lt;span style="color: Red;background-color: Transparent;font-family: Courier New;font-size: 11px;font-weight: normal;"&gt;FormField&lt;/span&gt;&lt;span style="color: Blue;background-color: Transparent;font-family: Courier New;font-size: 11px;font-weight: normal;"&gt;="txtdate"&lt;/span&gt; &lt;span style="color: Red;background-color: Transparent;font-family: Courier New;font-size: 11px;font-weight: normal;"&gt;Name&lt;/span&gt;&lt;span style="color: Blue;background-color: Transparent;font-family: Courier New;font-size: 11px;font-weight: normal;"&gt;="fld_date1"&lt;/span&gt; &lt;span style="color: Red;background-color: Transparent;font-family: Courier New;font-size: 11px;font-weight: normal;"&gt;Type&lt;/span&gt;&lt;span style="color: Blue;background-color: Transparent;font-family: Courier New;font-size: 11px;font-weight: normal;"&gt;="DateTime"&lt;/span&gt; &lt;span style="color: Blue;background-color: Transparent;font-family: Courier New;font-size: 11px;font-weight: normal;"&gt;/&amp;gt;&lt;/span&gt;&lt;br /&gt;            &lt;span style="color: Blue;background-color: Transparent;font-family: Courier New;font-size: 11px;font-weight: normal;"&gt;&amp;lt;/&lt;/span&gt;&lt;span style="color: Maroon;background-color: Transparent;font-family: Courier New;font-size: 11px;font-weight: normal;"&gt;SelectParameters&lt;/span&gt;&lt;span style="color: Blue;background-color: Transparent;font-family: Courier New;font-size: 11px;font-weight: normal;"&gt;&amp;gt;&lt;/span&gt;&lt;/span&gt;&lt;br&gt;&lt;br&gt;όπου το txtdate είναι η μέρα που με ενδιαφέρει αλλά παίρνω το παρακάτω σφάλμα.&lt;br&gt;&lt;br&gt;Exception Details: System.Data.OleDb.OleDbException: No value given for one or more required parameters.&lt;br&gt;&lt;br&gt;Εχει κανείς καμία ιδέα πώς θα πάρω την ημερομηνία που με ενδιαφέρει? &lt;br&gt;Δουλεύω με το control SqlDataSource&lt;br&gt;&lt;br&gt;</description></item></channel></rss>