CRUD Operations on SharePoint List using Client Side Object Model(CSOM)


Client Side Object Model
Create Item
Add one record into StudentsInfo list using below code.


/Get the site string siteUrl = "SiteURL"; ClientContext clientContext = new ClientContext(siteUrl); // Get the List List oList = clientContext.Web.Lists.GetByTitle("StudentsInfo"); ListItemCreationInformation listCreationInformation = new ListItemCreationInformation(); ListItem oListItem = oList.AddItem(listCreationInformation); oListItem["Title"] = "Mr"; oListItem["StudentName"] = "Gopi Avala"; oListItem.Update(); clientContext.ExecuteQuery();

Update Item 
Edit the record from StudentsInfo list whose ID=1 using below code. 

//Get the site string siteUrl = "SiteURL"; ClientContext clientContext = new ClientContext(siteUrl); // Get the List List oList = clientContext.Web.Lists.GetByTitle("StudentsInfo"); ListItem oListItem = oList.GetItemById(1); oListItem["Title"] = "Gopi"; oListItem.Update(); clientContext.ExecuteQuery();


Delete Item

Delete the record from StudentsInfo list whose ID=1 using below code.  

//Get the site string siteUrl = "SiteURL”; ClientContext clientContext = new ClientContext(siteUrl); // Get the List List oList = clientContext.Web.Lists.GetByTitle("StudentsInfo"); //Pass your ID ListItem oListItem = oList.GetItemById(1); oListItem.DeleteObject(); clientContext.ExecuteQuery();


Get all Items from List
Get all the items from StudentsInfo list using below code 
//Get the site string siteUrl = "SiteURL"; ClientContext clientContext = new ClientContext(siteUrl); // Get the List List oList = clientContext.Web.Lists.GetByTitle("StudentsInfo"); CamlQuery query = new CamlQuery(); query.ViewXml = "<View/>"; ListItemCollection items = oList.GetItems(query); clientContext.Load(oList); clientContext.Load(items); clientContext.ExecuteQuery();


Get Specific Item
Get all matching record from employee list where StudentName='Gopi Avala' using below code  

/Get the site string siteUrl = "SiteURL"; ClientContext clientContext = new ClientContext(siteUrl); // Get the List List oList = clientContext.Web.Lists.GetByTitle("StudentsInfo"); CamlQuery query = new CamlQuery(); query.ViewXml = @ "<View><Query><Where><Eq><FieldRef Name = 'StudentName'/><Value Type='Text'>Gopi Avala</Value> </Eq></Where></Query></View>"; ListItemCollection listItems = oList.GetItems(query); clientContext.Load(listItems, items => items.Include( item => item["Id"], item => item["Title"], item => item["StudentName"] )); clientContext.ExecuteQuery();

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