• Good reference by the experts:
  http://www.sourcecodeonline.com/sources/asp_net.html
• Create buttons for AJAX: http://www.ajaxload.info/#preview
• AJAX control toolkit: http://www.asp.net/ajax/ajaxcontroltoolkit/samples/
• Nice Demos with third party tools: http://demos.telerik.com/aspnet-ajax/input/examples/radnumerictextbox/formatting/defaultcs.aspx
• Ajax control with code...very Nice demo site 1: http://mattberseth2.com/demo/
• Very Nice demo site 2: http://www.hanselman.com/blog/
• Gridview to Excel: http://aspnetlibrary.com/articledetails.aspx?article=How-to-export-a-GridView-to-Excel
• ASP.NET Quickstart Tutorial : http://quickstarts.asp.net/QuickstartV20/aspnet/
• Accessing and Updating Data in ASP.NET 2.0: Inserting Data:http://aspnet.4guysfromrolla.com/articles/050207-1.aspx
• Windows Scripting: http://www.aspfree.com/c/a/Windows-Scripting/Completing-Calendars-with-VBScript-Date-Functions/
• Custom subtotal in a matrix: http://www.windows-tech.info/15/b71686f2d4557925.php
• Matrix Reporting: http://www.gotreportviewer.com/matrices/
• http://www.devasp.net/default.aspx
• CSS Library: http://www.dynamicdrive.com/style/
• Excel Calculation Engine: http://www.spreadsheetgear.com/support/samples/calcengine.aspx
• Excel Report in asp.net 2.0: http://www.beansoftware.com/asp.net-tutorials/generating-excel-reports.aspx
• Export data to SQl server 2005: http://www.ozgrid.com/forum/showthread.php?t=69825
• Free Animated GIF: http://www.sevenoaksart.co.uk/
• Free Download: http://www.gegereka.com/?
• Dropdown listbox inside the gridview: http://www.highoncoding.com/Articles/170_DropDownList%20Inside%20The%20GridView%20Method%202.aspx
• More about dropdown in gridview: http://webthingsconsidered.blogspot.com/2005/09/dropdownlist-inside-gridview-or.html
• Timeline Project by MIT: http://simile.mit.edu/
• Timeline control: http://demos.devexpress.com/ASPxSchedulerDemos/ViewTypes/TimelineView.aspx
• More on timeline: http://weblogs.asp.net/rchartier/archive/2008/03/25/timeline-net.aspx
• SQL Server Command: http://www.1keydata.com/sql/sql.html
• SQL Command: http://www.lazydba.com/
• SQL Server More: http://www.sqlservercentral.com/
• Free VB.net code: http://www.vbdotnetheaven.com/
• More VB.net code: http://www.a1vbcode.com/
• Microsoft Discussion group: http://www.microsoft.com/communities/newsgroups/en-us/
• Advance Matrix reporting technique: http://www.simple-talk.com/sql/sql-server-2005/advanced-matrix-reporting-techniques/
• Nice tutorials: http://www.blackwasp.co.uk/Articles.aspx
• Excel Formatting: http://steveorr.net/Articles/ExcelExport.aspx
• Mouse Rollover and other CSS: http://www.dynamicdrive.com/dynamicindex1/mouseovertabs.htm