{"id":28642,"date":"2023-01-01T14:07:33","date_gmt":"2023-01-01T08:37:33","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-a-boolean-is-required-closed\/"},"modified":"2023-01-01T14:07:33","modified_gmt":"2023-01-01T08:37:33","slug":"solved-a-boolean-is-required-closed","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-a-boolean-is-required-closed\/","title":{"rendered":"[Solved] A Boolean is required [closed]"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-20330462\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"20330462\" data-parentid=\"20330112\" data-score=\"1\" data-position-on-page=\"3\" data-highest-scored=\"0\" data-question-has-accepted-highest-score=\"0\" itemprop=\"suggestedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div class=\"post-layout\">\n<div class=\"votecell post-layout--left\"><\/div>\n<div class=\"answercell post-layout--right\">\n<div class=\"s-prose js-post-body\" itemprop=\"text\">\n<p>So, if I&#8217;m reading your post correctly, you are trying to perform a <em>bitwise<\/em> comparison against your value (<code>{DataTableCable.ColumnChange}<\/code>) in the Crystal Reports code.<\/p>\n<p>Looking around online, I can&#8217;t seem to see anything that indicates that crystal can perform that kind of comparison. One alternative is to perform that calculation in your <em>.Net<\/em> code, and store it against a property\/column of your datasource object &#8211; that way you can simply check if the property is true\/false.<\/p>\n<p><strong>Update<\/strong><\/p>\n<p>Another option, perhaps, is to perform manual arithmetic to calculate this. <a rel=\"nofollow noopener\" target=\"_blank\" href=\"http:\/\/nopadolsiri.wordpress.com\/2008\/12\/30\/custom-functions-of-bitwise-in-crystal-reports-9\/\">Nopadol<\/a> (Link provided by OP) seems to have good examples of how to do this (I&#8217;ve reproduced the code below for posterity). The <a rel=\"nofollow noopener\" target=\"_blank\" href=\"http:\/\/books.google.co.uk\/books?id=EBYLEisY7bQC&amp;lpg=SA9-PA10&amp;ots=52Rgv2L_xt&amp;dq=crystal%20open%20Formula%20editor&amp;pg=SA9-PA1#v=onepage&amp;q&amp;f=false\">No Stress Tech Guide to Crystal Reports Basic for Visual Studio 2008<\/a> (Lesson 9) seems to cover the use of the Formula Editor which should help get you started.<\/p>\n<pre><code>Function Name: ToBin\nFunction (NumberVar n)\n(\n    Local StringVar b;\n    Local NumberVar d;\n    b := \"\";\n    d := n;\n    Do\n    (\n        b := CStr(Truncate(d Mod 2),0) &amp; b;\n        d := Truncate(d \/ 2);\n    )\n    While (d &gt; 1);\n    CStr(Truncate(d),0) &amp; b;\n)\n\nFunction Name: ToNum\nFunction (StringVar b)\n(\n    Local NumberVar lng := length(b);\n    Local NumberVar n := 0;\n    Local NumberVar i;\n    For i := lng To 1 Step -1 Do\n    (\n        n := n + ((2 ^ (lng \u2013 i)) * Truncate(ToNumber(Mid(b,i,1))))\n    );\n    n;\n)\n\nFunction Name: BitAnd\nFunction (NumberVar n1, NumberVar n2)\n(\n    Local StringVar b1 := ToBin(n1);\n    Local StringVar b2 := ToBin(n2);\n    Local NumberVar l1 := length(b1);\n    Local NumberVar l2 := length(b2);\n    Local NumberVar lng := IIF(l1 &gt; l2, l1, l2);\n    Local StringVar x;\n    Local StringVar y;\n    Local StringVar z := \"\";\n    Local NumberVar i;\n    For i := lng To 1 Step -1 Do\n    (\n        x := \"0\";\n        If (l1 &gt;= i) Then\n            x := Mid(b1, (l1-i)+1, 1);\n        y := \"0\";\n        If (l2 &gt;= i) Then\n            y := Mid(b2, (l2-i)+1, 1);\n        z := z &amp; IIF(x=y And x=\"1\",\"1\",\"0\");\n    );\n    ToNum(z);\n)\n\nFunction Name: BitXOr\nFunction (NumberVar n1, NumberVar n2)\n(\n    n1 + n2 \u2013 (BitAnd(n1, n2) * 2)\n)\n\nFunction Name: BitOr\nFunction (NumberVar n1, NumberVar n2)\n(\n    n1 + n2 \u2013 BitAnd(n1, n2)\n)\n\nExample\n\nBitAnd(1, 5)  \/\/ = 1\nBitXOr(1, 5)  \/\/ = 4\nBitOr(1, 5)  \/\/ = 5\n<\/code><\/pre>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\">7<\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved A Boolean is required [closed] <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] So, if I&#8217;m reading your post correctly, you are trying to perform a bitwise comparison against your value ({DataTableCable.ColumnChange}) in the Crystal Reports code. Looking around online, I can&#8217;t seem to see anything that indicates that crystal can perform that kind of comparison. One alternative is to perform that calculation in your .Net code, &#8230; <a title=\"[Solved] A Boolean is required [closed]\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-a-boolean-is-required-closed\/\" aria-label=\"More on [Solved] A Boolean is required [closed]\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[5578],"class_list":["post-28642","post","type-post","status-publish","format-standard","hentry","category-solved","tag-crystal-reports-2008"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] A Boolean is required [closed] - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-a-boolean-is-required-closed\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] A Boolean is required [closed] - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] So, if I&#8217;m reading your post correctly, you are trying to perform a bitwise comparison against your value ({DataTableCable.ColumnChange}) in the Crystal Reports code. Looking around online, I can&#8217;t seem to see anything that indicates that crystal can perform that kind of comparison. One alternative is to perform that calculation in your .Net code, ... 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