Programmatically add safe control entry in sharepoint 2010

You write some code in Feature Receiver of your sharePoint solution to add a safe control entry in SharePoint application's web.config. Following example shows you how to do that

public override void FeatureActivated(SPFeatureReceiverProperties properties)
{
// A reference to the features site collection
SPSite site = null;
// Get a reference to the site collection of the feature
if (properties.Feature.Parent is SPWeb)
{
site = ((SPWeb)properties.Feature.Parent).Site;
}
else if (properties.Feature.Parent is SPSite)
{
site = properties.Feature.Parent as SPSite;
}
if (site != null)
{
SPWebApplication webApp = site.WebApplication;
// Create a modification
SPWebConfigModification mod = new SPWebConfigModification(@"SafeControl[@Assembly="MyAssembly"][@Namespace="My.Namespace"]" + @"[@TypeName="*"][@Safe="True"][@AllowRemoteDesigner="True"]"
, "/configuration/SharePoint/SafeControls");

// Add the modification to the collection of modifications
webApp.WebConfigModifications.Add(mod);
// Apply the modification
webApp.Farm.Services.GetValue().ApplyWebConfigModifications();
}
}
This code shows how to modify web.config using the appropriate classes called from a feature event receiver. If the Web Part is part of a feature and the feature is activated, the event is fired and the code executed.

2 comments:

  1. what if you don’t have permissions, or file is locked, or context is not ready yet and etc?

    ReplyDelete
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