Binding Splist data to gridview using Csom and jSom

You may use the code like below:

ClientContext context = new ClientContext(webUrl);

List list = context.Web.Lists.GetByTitle("Tasks");

CamlQuery query = new CamlQuery();

query.ViewXml = "";

ListItemCollection items = list.GetItems(query);

context.Load(list);

context.Load(items);

context.ExecuteQuery();

DataTable table = new DataTable();

table.Columns.Add("Id");

table.Columns.Add("Title");

foreach (ListItem item in items)

{

table.Rows.Add(item.Id, item["Title"]);

}

displayGrid.DataSource = table;