Programmatically Upload documents to SharePoint Document Library

Scenario: Upload a document (any type) to SharePoint Document Library programmatically.

How? : Use the below code.

Parameters:
1. docName: Name of the document with which you want to upload to the library
2. content: byte[] content of the document you want to upload
3. siteName: Site where you want to upload the document
4. docLibName: Document Library Name to which you want to upload the document

/// 

/// 
/// 
/// Name of the document
/// byte format of the document
/// site name
/// sharepoint document library name
private void UploadDocumentToSharePointLibrary(string docName, byte[] content, string siteName, string docLibName)
{
    using (SPSite site = new SPSite(siteName))
    {
        using (SPWeb web = site.RootWeb)
        {
            SPFolder docFolder = web.Folders[docLibName];
            SPFile file = docFolder.Files.Add(docFolder.Url + "/" + docName, content, true);

            file.Update();
            docFolder.Update();
        }
    }
    
}