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Do not call SPWeb.GetListFromUrl. Use SPWeb.GetListFromWebPartPageUrl instead.

SPWeb.GetListFromUrl gets the list that is associated with the first Web Part on the specified Web Parts page. Beginning in Windows SharePoint Services 3.0, use the GetListFromWebPartPageUrl method instead of this method.

CheckId SPC050238
TypeName DoNotUseSPWebGetListFromUrl
Severity CriticalWarning
Type Assembly

Replace calls to SPWeb.GetListFromUrl with SPWeb.GetListFromWebPartPageUrl.
Bad Practice

SPWeb myWeb = SPContext.Current.Web;
SPList myList = web.GetListFromUrl("/sites/sitecollection/subsite/default.aspx");
Good Practice
SPWeb myWeb = SPContext.Current.Web;
SPList myList = web.GetListFromWebPartPageUrl("/sites/sitecollection/subsite/default.aspx");

To suppress this violation in managed code add the following attribute to the method which contains the instruction (available since SPCAF version v5.2). Learn more about SuppressMessage here.

// Important: Ensure to have #define CODE_ANALYSIS at the beginning of your .cs file
[SuppressMessage("SPCAF.Rules.BestPracticesGroup", "SPC050238:DoNotUseSPWebGetListFromUrl", Justification = "Provide reason for suppression here")]
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