Programatically Insert/Update List Item in Sharepoint

Here is some links that shows you programatically how to insert/update list item in sharepoint.

(1) aMiT kUmAr: Add/Update/Delete operations on the Sharepoint List Item using C#(C-Sharp):: You will find topics for SharePoint,MOSS 2007,WSS,ASP.net,C#,.Net Framework and entertainment. 

(2) Add,Update and Delete operations on the Sharepoint List Item using C#-CodeGain  

(3) How to: Add or Delete List Items   

(4) Programmatically add records in a List in SharePoint   

(5) Update Sharepoint List Item    

(6) How to Update SharePoint List Items without Creating New Versions   

(7) Add, Update and Delete List Items Programmatically in Sharepoint   

(8) SharePoint List WebService to Insert Item   

(9) Adding values to sharepoint lists   

(10) Avoid Insert Record on Page Refresh in asp.net   

Please find following links with examples created at my end which does basic Insert/Update/Delete sharepoint list item.

(1) Insert new item to sharepoint list programmatically


(2) Update existing sharepoint list item programmatically


(3) Delete sharepoint list item programmatically
           

Working with CAML query in Sharepoint

Here is some links about CAML query in Sharepoint.
(1) Collaborative Application Markup Language (CAML)

(2) Writing CAML Queries For Retrieving List Items from a SharePoint List

(3) Query Schema

(4) Do you know to do data you need CAML?

(5) Sharepoint dynamic caml query problem?

(6) programmatically setting the CAML-query on the QueryOverride-member of an custom WebPart that inherits from ContentByQueryWebPart

(7) Write Your CAML Queries in C# using CAML.NET

(8) Update CAML Query for SharePoint Data View Web Part

(9) U2U CAML Query Builder for SharePoint 2003 and SharePoint 2007 (Windows Version)

Working with CheckBoxList

Here is some links about checkboxlist in VisualStudio.
CheckBoxList Control
(1) CheckBoxList Class

(2) ASP.NET : The checkbox and checkboxlist control

(3) CheckBoxList Control in ASP.NET

(4) Generic Way to Bind Enum With Different ASP.NET List Controls

(5) ASP.NET 4.0 New Feature- RepeatLayout property for CheckBoxList and RadioButtonList Controls.

(6) How to retrieve checkboxes values in jQuery

(7) Jquery to Get selected items from CheckBoxList

(8) JQuery to determine if all checkboxlists (in div) have been checked

(9) How to check if checkbox is checked using jQuery

CheckBoxList validation
(1) Creating a CheckBoxList validation control in C#

(2) CheckBoxList client side validation using JQuery

(3) Creating a Custom Validation Control in ASP.NET

CheckBoxList with LINQ
(1) ASP.Net CheckBoxList, Linq, and jQuery

(2) LINQ: Get all selected values of a CheckBoxList using a Lambda expression

(3) Get all values from CheckBoxList in C#

CheckBoxList with JQuery
(1) ASP.NET Checkboxlist get values in client side [JQuery]

(2) Toggle items in a CheckBoxList using jQuery

(3) How to select checkboxes in an ASP.NET CheckBoxList using jQuery

(4) Jquery and CheckboxList

(5) Check Uncheck all CheckBoxes in an ASP.NET GridView using jQuery

(6) Select/ DeSelect all checkboxes in gridview using JQuery

Creating Custom CheckBoxList Control
(1) Converting ASP.NET Control Check Box List into Drop-Down Check Box List

(2) CheckBoxList.Render Method

(3) CheckBoxList.OnPreRender Method (System.Web.UI.WebControls)

What is Sharepoint?

Introduction to Sharepoint

(1) What is Sharepoint

(2) Introduction to Microsoft Office SharePoint Server 2007

(3) SharePoint for Developers: 1. Introduction

(4) SharePoint 2010 

(5) Getting Started with SharePoint Development

Sharepoint requirement
(1) Hardware and software requirements (SharePoint Server 2010)

(2) System Requirements for Windows SharePoint Services 3.0

(3) Preliminary system requirements for SharePoint 2010   

Important Links
(1) MSSharePointDeveloper Content

(2) SharePoint Development and Programming FAQ