{"id":15,"date":"2007-08-23T23:57:00","date_gmt":"2007-08-24T04:57:00","guid":{"rendered":"http:\/\/blogs.devhorizon.com\/reza\/?p=15"},"modified":"2007-11-21T17:36:29","modified_gmt":"2007-11-21T22:36:29","slug":"on-the-fly-creation-of-attachments-for-list-items","status":"publish","type":"post","link":"https:\/\/blogs.devhorizon.com\/reza\/2007\/08\/23\/on-the-fly-creation-of-attachments-for-list-items\/","title":{"rendered":"On-the-fly creation of attachments for list items"},"content":{"rendered":"

Here is the code to add an item to a list (task list in this example) programmatically and create and attach a file on the fly. You basically need to encode a set of characters into a sequence of bytes (byte array) and call SPAttachmentCollection.Add method to add the binary representation of your attachment to the list item.<\/p>\n

StringBuilder sbLog = new StringBuilder();<\/p>\n

sbLog.Append(“Accessing root web of the site collection…\\n”);
\n SPWeb web = new SPSite(“http:\/\/moss:21165”).OpenWeb();<\/p>\n

sbLog.Append(“Accessing Task list in the root web…\\n”);
\n SPList taskList = web.Lists[“Tasks”];<\/p>\n

sbLog.Append(“Adding a new task item…\\n”);
\n SPListItem newTask = taskList.Items.Add();<\/p>\n

sbLog.Append(“Populating the fields…\\n”);
\n newTask[“Title”] = “Work hard ,but play harder”;
\n newTask[“Due Date”] = DateTime.Now;
\n newTask[“Priority”] = “(1) High”;<\/p>\n

sbLog.Append(“Creating the attachment…\\n”);
\n ASCIIEncoding encoder = new ASCIIEncoding();
\n byte[] bytFile = encoder.GetBytes(sbLog.ToString());
\n newTask.Attachments.Add(“log.txt”, bytFile);
\n newTask.Update();<\/p><\/blockquote>\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

Here is the code to add an item to a list (task list in this example) programmatically and create and attach a file on the fly. You basically need to encode a set of characters into a sequence of bytes (byte array) and call SPAttachmentCollection.Add method to add the binary representation of your attachment to […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[43],"tags":[3],"class_list":["post-15","post","type-post","status-publish","format-standard","hentry","category-moss-2007","tag-moss-2007"],"yoast_head":"\nOn-the-fly creation of attachments for list items - Reza Alirezaei's Blog %<\/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:\/\/blogs.devhorizon.com\/reza\/2007\/08\/23\/on-the-fly-creation-of-attachments-for-list-items\/\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Reza Alirezaei\" \/>\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:\\\/\\\/blogs.devhorizon.com\\\/reza\\\/2007\\\/08\\\/23\\\/on-the-fly-creation-of-attachments-for-list-items\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/blogs.devhorizon.com\\\/reza\\\/2007\\\/08\\\/23\\\/on-the-fly-creation-of-attachments-for-list-items\\\/\"},\"author\":{\"name\":\"Reza Alirezaei\",\"@id\":\"https:\\\/\\\/blogs.devhorizon.com\\\/reza\\\/#\\\/schema\\\/person\\\/cdbb24d283697a65951cb4a14e474938\"},\"headline\":\"On-the-fly creation of attachments for list items\",\"datePublished\":\"2007-08-24T04:57:00+00:00\",\"dateModified\":\"2007-11-21T22:36:29+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/blogs.devhorizon.com\\\/reza\\\/2007\\\/08\\\/23\\\/on-the-fly-creation-of-attachments-for-list-items\\\/\"},\"wordCount\":160,\"commentCount\":0,\"keywords\":[\"MOSS 2007\"],\"articleSection\":[\"MOSS 2007\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/blogs.devhorizon.com\\\/reza\\\/2007\\\/08\\\/23\\\/on-the-fly-creation-of-attachments-for-list-items\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/blogs.devhorizon.com\\\/reza\\\/2007\\\/08\\\/23\\\/on-the-fly-creation-of-attachments-for-list-items\\\/\",\"url\":\"https:\\\/\\\/blogs.devhorizon.com\\\/reza\\\/2007\\\/08\\\/23\\\/on-the-fly-creation-of-attachments-for-list-items\\\/\",\"name\":\"On-the-fly creation of attachments for list items - 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