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  • Update list item using Linq to SharePoint

    1. Update

    // Set the property to a new value.
    foreach (TeamMember teamMember in teamSite.TeamMembers)
    {
    teamMember.TopTask = "Fiscal Planning";
    }

    // Write changes to the content database.
    teamSite.SubmitChanges();

    2.Resolve Conflict

    foreach (TeamMember teamMember in teamSite.TeamMembers)
    {
    teamMember.TopTask = "Fiscal Planning";
    }

    try
    {
    teamSite.SubmitChanges();
    }
    catch (ChangeConflictException e)
    {
    teamSite.ChangeConflicts.ResolveAll();
    teamSite.SubmitChanges();
    }
    foreach (TeamMember teamMember in teamSite.TeamMembers)
    {
    teamMember.TopTask = "Fiscal Planning";
    }

    try
    {
    teamSite.SubmitChanges(ConflictMode.ContinueOnConflict);
    }
    catch (ChangeConflictException e)
    {
    foreach (ObjectChangeConflict changedListItem in teamSite.ChangeConflicts)
    {
    // If another user has changed properties of a non-manager,
    // leave that other user’s changes, except for the TopTask field.
    if (((TeamMember)changedListItem.Object).IsManager = false)
    {
    foreach (MemberChangeConflict changedField in changedListItem.MemberConflicts)
    {
    if (changedField.Member.Name == "TopTask")
    {
    changedField.Resolve(RefreshMode.KeepCurrentValues);
    }
    else
    {
    changedField.Resolve(RefreshMode.OverwriteCurrentValues);
    }
    }
    }
    // But if another user has changed properties of a manager, let this
    // process’s changes override the other user’s changes.
    else
    {
    changedListItem.Resolve(RefreshMode.KeepCurrentValues);
    }
    }

    teamSite.SubmitChanges();
    } // end catch




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  • 原文地址:https://www.cnblogs.com/windy2008/p/2320615.html
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