To upload a document to a subfolder of a document library using C # code in SharePoint

Source: Internet
Author: User
Tags datetime tostring

SharePoint document libraries are handy for managing everyday documents, and more powerful for creating folders to categorize, usually very simple on the UI screen, click on folders, create a folder can be. However, how to create folders manually, how to create subfolders in a folder.

Project analysis

For a chestnut, I need to upload the document to the document library, and I want the file to be uploaded to a subfolder named after the year, month, day, and the person who uploaded it, such as: 2013-->5 month-->11 Day--> Chen Xiaochun, as shown in the following figure

Click 2013 to enter the current confinement folder

Click on the current month to enter the subfolder named above

Click on the upload person (Chen Xiaochun), you can see our uploaded documents

See more highlights of this column: http://www.bianceng.cnhttp://www.bianceng.cn/web/sharepoint/

Code implementation

First we finish setting the parameters, initializing the parameters

Gets the annual parameter  
            string folderyearparameter = DateTime.Now.Year.ToString () + "year";  
            Gets the monthly parameter  
            string foldermonthparameter = DateTime.Now.Month.ToString () + "month";  
            Gets the current logged-on user name:  
            string currentloginname = SPContext.Current.Web.CurrentUser.LoginName;  
            Currentloginname = currentloginname.substring (Currentloginname.lastindexof ("\") + 1);  
     
            string Currentuserdisplayname;  
            Getting display name  
            //When the administrator uploads a problem? Because when the Administrator lands, Displayname=wllgwh\administrator,invalid Path.  
            SPUser spuser = spcontext.current.web.allusers[spcontext.current.web.currentuser.loginname];  
            Currentuserdisplayname = Spuser.name;  
            if (Currentuserdisplayname.contains ("\"))  
            {  
                currentuserdisplayname = currentuserdisplayname.substring ( Currentuserdisplayname.lastindexof ("\") +1);     
            }

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