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Chapter 12: ADO.NET: Hello Database 305Note: The SupID fieldis not selected. It is nowautomatic, so no insertvalue is required.SQL commandsfor inserting dataFigure 12-13 Selecting Fields for SQL Commands6. Right-click anywhere on the window to open the context menu. Select Execute SQL.When you do so, the new data are added to the Supporters table as shown in Figure 12-14.You can see where the automatic numbering provided a value for the SupID column. Itjumps from 15103 to 15107. That occurs because earlier records had been deleted.This exercise shows you how the SQL statement looks for inserting data. In thefollowing section you will see how to place that SQL command into a string and use itwith C#.
306ASP.NET 3.5: A Beginner’s GuideAutomatic increment. Three records havebeen removed, so the next value is 15107.Figure 12-14 Table showing inserted recordProgramming INSERT in C#Now that you have an idea of what the SQL INSERT command looks like, it’s time tobuild a web site where you can use that knowledge to enter data directly rather thanthrough Visual Studio 2008. This next application shows values that are directly insertedinto the table when the page loads. This is the simplest kind of web data entry. However,be patient. The next section shows how you can use web controls for data input. Thefollowing steps walk you through the process:1. Open a new Web Site, and name it DataEntry.2. Change the Name file from Default.aspx to BasicEntry.aspx in the Solution menu.Then change the CodeFile assigned from _Default.aspx.cs to BasicEntry.aspx.cs. In theC# page, change the class name from _Default to BasicEntry. Save both files.3. In the ASP.NET page, drag a single Label web control from the Toolbox to a position inthe container. Save the file. It should appear as the following:ASP.NET BasicEntry.aspx
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ASP.NET 3.5A Beginner’s Guide
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ASP.NET 3.5A Beginner’s GuideWill
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This book is dedicated to Ricky, Ol
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Contents at a GlancePART I Getting
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For more information about this tit
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Contents xiUsing HTML Forms Interac
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Contents xiiiCREATE: The SQL Comman
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Contents xv17 ASP.NET Ajax . . . .
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AcknowledgmentsThis book was greatl
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IntroductionWhat distinguishes the
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Introduction xxiWhat This Book Cove
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Introduction xxiiiChapter 7: CSS fo
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Chapter 17: ASP.NET Ajax One of the
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Part IGetting StartedCopyright © 2
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Chapter 1Introduction toASP.NET 3.5
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Chapter 1: Introduction to ASP.NET
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Chapter 2ASP.NET 3.5 Toolsand Devel
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Chapter 4Doing More withC# and ASP.
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Chapter 4: Doing More with C# and A
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Part IIForms and ControlsCopyright
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Chapter 5HTML Forms: A ReviewCopyri
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Chapter 9Validation ControlsCopyrig
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Chapter 10Rich Data ControlsCopyrig
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Chapter 14: LINQ 355TIPTry ThisThis
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Chapter 14: LINQ 359Figure 14-5 Add
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Chapter 14: LINQ 365As you can see,
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Chapter 14: LINQ 367Basic LINQC# CS
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Chapter 15FilesCopyright © 2009 by
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Chapter 15: Files 373The bulk of th
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Chapter 16SecurityCopyright © 2009
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Chapter 16: Security 391certain peo
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Chapter 16: Security 395ASP.NET Log
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Chapter 16: Security 397Figure 16-4
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Chapter 16: Security 413Next, you n
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Chapter 17ASP.NET AjaxCopyright ©
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Chapter 17: ASP.NET Ajax 421uses st
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Chapter 17: ASP.NET Ajax 439Summary
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Index< > (arrow brackets), 36Aacces
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Index 443ConVarASP.NET, 55C#, 56coo
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Index 445IntelliSense, 27and events
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Index 447StreamReader, 381StreamWri
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