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I have to get all the field (column) values in an array from a SharePoint list. Right now I am looping through all the items in the list and creating an array. But it is very inefficient if I have large number of items.

What would be the most efficient way to get all the field (column) values in an array from SharePoint List?

Update 1: The array values are further used in the code and are not displayed to end user.

  • Why u r not using DatTable? – Dikesh Gandhi Dec 15 '15 at 10:33
  • you looking for Jquery or CSOM/ SSOM ? – Gaurravs Dec 15 '15 at 10:34
  • @Gaurravs: SSOM. But if its possible in CSOM then it should be available in SSOM, right? – Naveen Dec 15 '15 at 10:37
  • @DikeshGandhi: SPList.GetDataTable() fetches me the data table. But then I cannot find any method in the DataTable Class that will return the column values in array. Or am I missing something here? Please elaborate what are you referring to. – Naveen Dec 15 '15 at 10:40
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    I guess use of generic list can also suffice your requirement – Gaurravs Dec 15 '15 at 11:24
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Even I will suggest using DataTable than array

SPWeb oWebsite = SPContext.Current.Web;
SPList oList = oWebsite.Lists["List_Name"];
SPListItemCollection collListItems = oList.Items;

//DataTable oDataTable = collListItems.GetDataTable();

DataGrid1.DataSource = collListItems.GetDataTable();
DataGrid1.DataBind();

you can either use grid or the commented line if want in datatable format for further functionality.

Or

You can get list items collection in a generic list.

List<SPListItem> listItems = list.GetItems(query).Cast<SPListItem>().ToList();

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