Showing posts with label CSOM. Show all posts
Showing posts with label CSOM. Show all posts

Thursday, October 20, 2016

Client Object Model vs Server Object Model?

Client object model , CSOM
Client Object Model vs Server Object Model?
Server Object Model?
SharePoint server where the Server Object Model binaries

 Example

 inside Web Parts / Workflows.

 Client Object Model?

 client machines where the entire SharePoint binaries are not available.

 Example
Windows Forms application in a client machine.
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Delete item using CLient Object Model

CSOM ,
Delete item using CLient Object Model

"Client" in the namespace.  For example, in the server object model you have:
Microsoft.SharePoint.SPSite
Microsoft.SharePoint.SPWeb
Microsoft.SharePoint.SPList

 In the client object model you have:
Microsoft.SharePoint.Client.Site
Microsoft.SharePoint.Client.Web
Microsoft.SharePoint.Client.List
NameSpace:
Microsoft.SharePoint.Client.dll
Microsoft.SharePoint.Client.Runtime.dll
Example Code:

 ClientContext context = new ClientContext("http://peakfinders.com");

 Web web = context.Web;

 List list = web.Lists.GetByTitle("yourlistname");
ListItemCollection listItems = list.GetItems(new CamlQuery() { ViewXml = "<View/>" });
context.Load(listItems);
context.ExecuteQuery();

 listItems[listItems.Count - 1].DeleteObject();
context.ExecuteQuery();
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Get By Search using Client Object Model

Client object model , CSOM
Get By Search using Client Object Model

"Client" in the namespace.  For example, in the server object model you have:
Microsoft.SharePoint.SPSite
Microsoft.SharePoint.SPWeb
Microsoft.SharePoint.SPList

 In the client object model you have:
Microsoft.SharePoint.Client.Site
Microsoft.SharePoint.Client.Web
Microsoft.SharePoint.Client.List
NameSpace:
Microsoft.SharePoint.Client.dll
Microsoft.SharePoint.Client.Runtime.dll
Example Code:

 ClientContext context = new ClientContext("http://peakfinders.com");
List list = context.Web.Lists.GetByTitle("yourlistname");
CamlQuery query = new CamlQuery();
query.ViewXml = @"<View>
    <Query>
        <Where>
        <Eq>
            <FieldRef Name='Status'/>
            <Value Type='Text'>Pending</Value>
        </Eq>
        </Where>
    </Query>
    </View>";

 ListItemCollection listItems = list.GetItems(query);
context.Load(listItems, items => items.Include(
                                                item => item["Name"],
                                                item => item["Designation"],
                                                item => item["Status"]
                                                ));
context.ExecuteQuery();
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Get By Row Limit using Client Object Model

Client object model , CSOM
Get By Row Limit using Client Object Model

“Client” in the namespace.  For example, in the server object model you have:

  • Microsoft.SharePoint.SPSite
  • Microsoft.SharePoint.SPWeb
  • Microsoft.SharePoint.SPList

In the client object model you have:

  • Microsoft.SharePoint.Client.Site
  • Microsoft.SharePoint.Client.Web
  • Microsoft.SharePoint.Client.List


 NameSpace:
Microsoft.SharePoint.Client.dll
Microsoft.SharePoint.Client.Runtime.dll
Example Code:

 ClientContext context = new ClientContext("http://peakfinders.com");
List list = context.Web.Lists.GetByTitle("yourlistname");
CamlQuery query = new CamlQuery();
query.ViewXml = "<View><RowLimit>3</RowLimit></View>";

 ListItemCollection listItems = list.GetItems(query);

 context.Load(listItems);
context.ExecuteQuery();
context.ExecuteQuery();
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Update List Items Client Object Model

Client object model , CSOM
Update List Items Client Object Model

“Client” in the namespace.  For example, in the server object model you have:
·         Microsoft.SharePoint.SPSite
·         Microsoft.SharePoint.SPWeb
·         Microsoft.SharePoint.SPList
In the client object model you have:
·         Microsoft.SharePoint.Client.Site
·         Microsoft.SharePoint.Client.Web
     ·         Microsoft.SharePoint.Client.List

 NameSpace:
Microsoft.SharePoint.Client.dll
Microsoft.SharePoint.Client.Runtime.dll
Example Code:

 ClientContext context = new ClientContext("http://peakfinders.com");
List list = context.Web.Lists.GetByTitle("yourlistname");
CamlQuery query = new CamlQuery();
query.ViewXml = "<View/>";
ListItemCollection items = list.GetItems(query);

 context.Load(items);

 context.ExecuteQuery();

 foreach(ListItem item in items)
    if ((item.Id % 2) == 0)
    {
        item["Title"] += "**";
        item.Update();
    }

 context.ExecuteQuery();
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