Using Microsoft Sharepoint APIs we can easily Add, Update and Delete list items programmatically. Provided below is a code snippet in C# .Net demonstrating all the three operations.
using (SPSite oSPsite = new SPSite("http://website url/"))
{
using (SPWeb oSPWeb = oSPsite.OpenWeb())
{
oSPWeb.AllowUnsafeUpdates = true;
// Fetch the List
SPList list = oSPWeb.Lists["MyList"];
//Add a new item in the List
SPListItem itemToAdd = list.Items.Add();
itemToAdd["Title"] = "Test Title";
itemToAdd["Description"] = "Test Description";
itemToAdd.Update();
Thanks,
Eliza
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