{"id":1984,"date":"2023-10-25T06:02:35","date_gmt":"2023-10-25T06:02:35","guid":{"rendered":"https:\/\/exceladvisor.org\/it\/e-zero\/"},"modified":"2023-12-10T06:26:01","modified_gmt":"2023-12-10T06:26:01","slug":"e-zero","status":"publish","type":"page","link":"https:\/\/exceladvisor.org\/it\/e-zero\/","title":{"rendered":"Come utilizzare la funzione vba isnull?"},"content":{"rendered":"<div class=\"excel-prima-del-contenuto\" id=\"excel-4120081939\"><script type=\"text\/javascript\">\r\n\tatOptions = {\r\n\t\t'key' : 'c1158f160081d6540a8409e6925dab94',\r\n\t\t'format' : 'iframe',\r\n\t\t'height' : 250,\r\n\t\t'width' : 300,\r\n\t\t'params' : {}\r\n\t};\r\n<\/script>\r\n<script type=\"text\/javascript\" src=\"\/\/www.highperformanceformat.com\/c1158f160081d6540a8409e6925dab94\/invoke.js\"><\/script><\/div> <p>La funzione VBA ISNULL \u00e8 elencata nella categoria informazioni sulle funzioni VBA. Quando lo usi nel codice VBA, <strong>valuta l&#8217;espressione fornita e restituisce TRUE se \u00e8 NULL o FALSE altrimenti<\/strong> . In termini semplici, pu\u00f2 verificare se il valore fornito \u00e8 NULL o meno e restituisce TRUE o FALSE in base a ci\u00f2.<\/p><h2 class=\"wp-block-heading\"> Sintassi<\/h2><p> <strong>\u00c8Null(Espressione)<\/strong><\/p><h2 class=\"wp-block-heading\"> argomenti<\/h2><ul><li> <strong>Espressione<\/strong> : un&#8217;espressione di cui vuoi verificare se \u00e8 NULL o meno.<\/li><\/ul><h2 class=\"wp-block-heading\"> Esempio<\/h2><p> Per capire praticamente come utilizzare la funzione VBA ISNULL \u00e8 necessario seguire l&#8217;esempio seguente in cui abbiamo scritto un codice vba utilizzandola: <\/p><div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" title=\"esempio-vba-isnull-funzione\" src=\"https:\/\/exceladvisor.org\/wp-content\/uploads\/2023\/08\/exemple-fonction-vba-isnull.png\" sizes=\"auto, \" srcset=\"\" alt=\"example-vba-isnull-function\" width=\"815\" height=\"411\"><\/figure><\/div><pre class=\"wp-block-code\"> <code class=\"language-visual-basic\" lang=\"visual-basic\">Sub example_ISNULL() Range(\"A1\").Value = IsNull(\"myVar\") End Sub<\/code><\/pre><p> Nel codice precedente, abbiamo utilizzato ISNULL per verificare se la variabile myVar \u00e8 nulla o meno e se ha restituito TRUE nel risultato. <\/p><div class=\"wp-block-group more-tutorials is-layout-flow\"><div class=\"wp-block-group__inner-container\"><h2 class=\"wp-block-heading\"> Altri tutorial <\/h2><div class=\"wp-block-columns is-layout-flex wp-container-200\"><div class=\"wp-block-column is-layout-flow\"><ul><li> <a href=\"https:\/\/exceladvisor.org\/it\/isarray\/\">ARRAY VBA<\/a><\/li><li> <a href=\"https:\/\/exceladvisor.org\/it\/edata\/\">DATA ISD VBA<\/a><\/li><li> <a href=\"https:\/\/exceladvisor.org\/it\/e-vuoto\/\">VBA \u00c8 VUOTO<\/a><\/li><li> <a href=\"https:\/\/exceladvisor.org\/it\/iserrore\/\">ERRORE VBA<\/a><\/li><\/ul><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"ub_ctt_via":"","footnotes":""},"class_list":["post-1984","page","type-page","status-publish","hentry"],"featured_image_src":null,"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Come utilizzare la funzione VBA ISNULL? 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