Update a ListItem with CamlQuery

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C#

.NET

SharePoint

webservice

, +

Hi,

I would like to update a ListItem in a SharePoint-List in my Console-Application with the Class CamlQuery from the Microsoft.Sharepoint.Client library.

My code is following:

ListItemCreationInformation itemCreationInformation = new ListItemCreationInformation();
ListItem oListItem = oList.AddItem(itemCreationInformation);
oListItem = oList.GetItems(new CamlQuery() { Query = @"<Where></Where>" });
oListItem.Update();
clientContext.ExecuteQuery();

My problem is that it says: Cannot resolve symbol 'Query'

I can't see the problem.

Thank you for helping in advance.