Sharepoint Document Library - SPDocumentLibrary Related Code

 Submit a document and its related metadata into a document library

• Get reference to the Document Libraray and the folder.

SPList objList = web.Lists["CustomDocLibrary"];

SPDocumentLibrary objLib = (SPDocumentLibrary)objList;

SPFolder rFolder = objLib.RootFolder;

SPFile objFile;

// GET ARRAY INSTANCE OF THE FILE TO BE UPLOADED from FileUpload web control

byte[] byteArr = FileUploadToDoc.FileBytes;

string urlOfFile = rFolder.Url + "/" + FileUploadToDoc.FileName;

// GET THE METADATA. HERE “REQUESTOR” AND “TAXFORM” ARE THE COLUMNS THAT WOULD HOLD THE METADATA VALUE.

Hashtable metaData = new Hashtable();

metaData.Add("Requestor", txtRequestor.Text);

metaData.Add("TaxForm", txtTaxForm.Text);

objFile = rFolder.Files.Add(urlOfFile, byteArr, metaData, true);

objFile.Update();

•  Retrieve a document from the document library and open and read  using hyperlink

SPListItemCollection items = web.Lists["CustomDocLibrary"].Items;

SPListItem item = items.GetItemById(requestID);

SPFile file = item.File;

fileInDocLibUrl = web.Url+ "/" + file.Url;

LinkToDocOnBrowser.Text = file.Name.ToString();

LinkToDocOnBrowser.NavigateUrl = fileInDocLibUrl;

• Open the document using “OPEN SAVE CANCEL DIALOG BOX”.

Write the following code in the click event of the “linkbutton”, to open the “Open save cancvel” dialog box.

SPListItemCollection items = web.Lists["CustomDocLibrary"].Items;

SPListItem item = items.GetItemById(requestID);

SPFile file = item.File;

string   Url = web.Url+ "/" + file.Url;

SPFile file = web.GetFile(Url);

byte[] obj = (byte[])file.OpenBinary();

Response.ClearContent();

Response.ClearHeaders();

Response.AppendHeader("Content-Disposition", "attachment; filename= " + file.Name.ToString());

Response.ContentType = "application/octet-stream";

//Check that the client is connected and has not closed the connection after the request

if (Response.IsClientConnected)

{ Response.BinaryWrite(obj); }

Response.Flush();

Response.Close();