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Ensure you are calling List.Update() before ClientContext.ExecuteQuery() when modifying a List object.

When modifying a List object, ensure you are calling List.Update() before ClientContext.ExecuteQuery() in order to persist the changes to the object.

CheckId SPC019023
TypeName EnsureListUpdateBeforeExecuteQuery
Severity Warning
Type Assembly

Bad Practice

    using (var context = new ClientContext("http://yoursite"))
    {
        List list = context.Web.Lists.GetByTitle("Announcements");
        list.Description = "This is my new announcement list";
        context.ExecuteQuery();
    }


Good Practice
    using (var context = new ClientContext("http://yoursite"))
    {
        List list = context.Web.Lists.GetByTitle("Announcements");
        list.Description = "This is my new announcement list";
        list.Update();
        context.ExecuteQuery();
    }

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.ManagedCSOM.CSOMCorrectnessGroup", "SPC019023:EnsureListUpdateBeforeExecuteQuery", Justification = "Provide reason for suppression here")]
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