ARB Security Solutions » Casting To SPDocumentLibrary

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Date Published: 10/22/2009

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Casting To SPDocumentLibrary

A friend just asked me the way to cast a SPList To a SPDocumentLibrary so that he could access the document library specific attributes for document library objects. This is one way of doing it:

PLAIN TEXT

C#:

public static SPWeb GetWeb(string url)
{
using (SPSite site = new SPSite(url))
{
using (SPWeb web = site.OpenWeb())
{
return web;
}
}
}
public static SPDocumentLibrary CastDocumentLibrary(string url, string libraryName)
{
return GetWeb(url).Lists[libraryName] as SPDocumentLibrary;
}

Obviously, the casting can take on many forms, but the end result is still an SPDocumentLibrary object.

Article Or Research Filed Under SharePoint Development.

3 Comments »

Isn’t GetWeb() returning a reference to a disposed object?

Comment by Viktor Dolezel — November 19, 2008 @ 8:49 am
The expression in the return statement is evaluated before the object is disposed.

Comment by Adam Buenz — November 19, 2008 @ 9:14 am
I believe Viktor is correct. GetWeb disassembled looks like this:

public static SPWeb GetWeb(string url)
{
SPWeb temp;
using (SPSite site = new SPSite(url))
{
using (SPWeb web = site.OpenWeb())
{
temp = web;
}
}
return temp;
}

Comment by Keith Dahlby — January 18, 2009 @ 4:06 pm