MOSS: Enable versioning from C#
Add a web reference to the Lists.asmx web service. Call it whatever you want, I used “PDLists”. The following code will access a document library or list, and enable versioning. Simple, but effective.
I use this code in a command line application, saves a lot of time from not logging into a site, finding the list or library, opening settings, opening versioning properties, and then enabling.
public static void EnableVersioning(string URL, string ListName)
{
PDLists.Lists EnableVersions = new PDLists.Lists();
EnableVersions.Credentials = CredentialCache.DefaultCredentials;
EnableVersions.Url = URL + “lists.asmx”;
XmlNode _response = null;
XmlNode ndList = EnableVersions.GetList(ListName);
XmlNode ndVersion = ndList.Attributes["Version"];
XmlDocument xmlDoc = new System.Xml.XmlDocument();
XmlNode ndProperties = xmlDoc.CreateNode(XmlNodeType.Element, “List”, “”);
XmlAttribute ndVersionAttrib = (XmlAttribute)xmlDoc.CreateNode(XmlNodeType.Attribute, “EnableVersioning”, “”);
ndVersionAttrib.Value = “TRUE”;
ndProperties.Attributes.Append(ndVersionAttrib);
XmlDocument doc = new System.Xml.XmlDocument();
XmlElement batchElement = doc.CreateElement(“Batch”);
XmlNode newItemhome = EnableVersions.GetListCollection();
try
{
_response = EnableVersions.UpdateList(ndList.Attributes["ID"].Value, ndProperties, null, null, null, ndVersion.Value);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message + “\n ” + ex.StackTrace);
}
Console.WriteLine(“[versioning enabled]“);
}
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