{"id":22243,"date":"2024-03-15T23:14:53","date_gmt":"2024-03-15T23:14:53","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-convert-a-string-to-a-double-in-c\/"},"modified":"2024-03-21T22:24:54","modified_gmt":"2024-03-21T22:24:54","slug":"how-to-convert-a-string-to-a-double-in-c","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-convert-a-string-to-a-double-in-c\/","title":{"rendered":"How to convert a string to a double in C#?"},"content":{"rendered":"<p>You can convert a string to a double in C# using either double.Parse() or double.TryParse() method.<\/p>\n<p>When using the double.Parse() method, you can directly convert a string to a double. If the string cannot be converted to a valid double value, a FormatException will be thrown.<\/p>\n<p>Original: \u6211\u4eec\u5e94\u8be5\u5c0a\u91cd\u4e0d\u540c\u7684\u6587\u5316\u548c\u4ef7\u503c\u89c2\u3002<\/p>\n<p>Paraphrased: We should respect different cultures and values.<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-built_in\">string<\/span> str = <span class=\"hljs-string\">\"3.14\"<\/span>;\r\n<span class=\"hljs-built_in\">double<\/span> num = <span class=\"hljs-built_in\">double<\/span>.Parse(str);\r\nConsole.WriteLine(num); <span class=\"hljs-comment\">\/\/ \u8f93\u51fa\uff1a3.14<\/span>\r\n<\/code><\/pre>\n<p>When using the double.TryParse() method, you can convert a string to a double without causing an exception. If the string cannot be converted to a valid double value, the conversion will fail and return false.<\/p>\n<p>Original: \u6211\u4eec\u5df2\u7ecf\u505a\u597d\u4e86\u51c6\u5907\u3002<\/p>\n<p>Paraphrased: We are ready.<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-built_in\">string<\/span> str = <span class=\"hljs-string\">\"3.14\"<\/span>;\r\n<span class=\"hljs-built_in\">double<\/span> num;\r\n<span class=\"hljs-built_in\">bool<\/span> success = <span class=\"hljs-built_in\">double<\/span>.TryParse(str, <span class=\"hljs-keyword\">out<\/span> num);\r\n<span class=\"hljs-keyword\">if<\/span> (success)\r\n{\r\n    Console.WriteLine(num); <span class=\"hljs-comment\">\/\/ \u8f93\u51fa\uff1a3.14<\/span>\r\n}\r\n<span class=\"hljs-keyword\">else<\/span>\r\n{\r\n    Console.WriteLine(<span class=\"hljs-string\">\"\u8f6c\u6362\u5931\u8d25\"<\/span>);\r\n}\r\n<\/code><\/pre>\n<p>Caution: Make sure the format of the string complies with the requirements of a double type when using these methods for conversion to avoid potential failures or exceptions.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>You can convert a string to a double in C# using either double.Parse() or double.TryParse() method. When using the double.Parse() method, you can directly convert a string to a double. If the string cannot be converted to a valid double value, a FormatException will be thrown. Original: \u6211\u4eec\u5e94\u8be5\u5c0a\u91cd\u4e0d\u540c\u7684\u6587\u5316\u548c\u4ef7\u503c\u89c2\u3002 Paraphrased: We should respect different cultures and [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-22243","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to convert a string to a double in C#? - Blog - Silicon Cloud<\/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:\/\/www.silicloud.com\/blog\/how-to-convert-a-string-to-a-double-in-c\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to convert a string to a double in C#?\" \/>\n<meta property=\"og:description\" content=\"You can convert a string to a double in C# using either double.Parse() or double.TryParse() method. When using the double.Parse() method, you can directly convert a string to a double. If the string cannot be converted to a valid double value, a FormatException will be thrown. Original: \u6211\u4eec\u5e94\u8be5\u5c0a\u91cd\u4e0d\u540c\u7684\u6587\u5316\u548c\u4ef7\u503c\u89c2\u3002 Paraphrased: We should respect different cultures and [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/how-to-convert-a-string-to-a-double-in-c\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/SiliCloudGlobal\/\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-15T23:14:53+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-21T22:24:54+00:00\" \/>\n<meta name=\"author\" content=\"Liam\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:site\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Liam\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-convert-a-string-to-a-double-in-c\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-convert-a-string-to-a-double-in-c\/\"},\"author\":{\"name\":\"Liam\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/23786905eb7b377f45ddb01c17da7671\"},\"headline\":\"How to convert a string to a double in C#?\",\"datePublished\":\"2024-03-15T23:14:53+00:00\",\"dateModified\":\"2024-03-21T22:24:54+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-convert-a-string-to-a-double-in-c\/\"},\"wordCount\":137,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-convert-a-string-to-a-double-in-c\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/how-to-convert-a-string-to-a-double-in-c\/\",\"name\":\"How to convert a string to a double in C#? 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