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Get A programmer's guide to ADO. NET in C# PDF

By Mahesh Chand

ISBN-10: 1893115399

ISBN-13: 9781893115392

A Programmer's consultant to ADO.NET in C# starts by means of taking readers via a fast paced evaluation of C# after which delves into ADO.NET. Why should still C# programmers use it rather than the prevailing applied sciences? What new performance does it provide? The chapters that persist with plow through the main points on all of the significant information prone of the .NET platform (OleDb, SQL Server, and ODBC) that assist you learn and write info to the precise database. those chapters additionally function an excellent reference for having a look up unique equipment and homes for those info supplier periods. Authors Chand and Gold additionally exhibit C# programmers how one can paintings with XML periods and the way to combine XML into the ADO.NET architecture.
The ebook offers programmers with convenient rules approximately making the most of the VS.NET IDE and the way you could tie your info to the myriad of robust controls together with the multi-faceted info Grid. ultimately, it is going via making a visitor booklet software for the internet so that you can see how every part healthy jointly.

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NOTE Chapter 5 covers SelectCommand, InsertCommand, UpdateCommand, and DeleteCommand in more detail. 181 933ch4 3/20/02 11:03 AM Page 182 Chapter 4 Figure 4-29. Setting the SQL SelectCommand in the data adapter As you also see in Figure 4-29, you can set CommandText, CommandType, Connection, and so on using the Properties dialog box. If you double-click on CommandText, it pops up the Query Builder where you can rebuild your query (see Figure 4-30). NET Figure 4-30. Relaunching the Query Builder from the CommandText property The TableMapping class represents a mapping of DataColumns in the data source to DataColumns in the DataSet.

Figure 4-26. The View Wizard Results page Now you can click the Finish button to complete the process. Now, if you examine the form in Figure 4-27, you’ll see two components: sqlConnection1 and sqlDataAdapter1. The wizard sets the properties of these components for you. Now you can use the data adapter to populate your datasets. Don’t forget to resize the DataGrid you added to the project. 179 933ch4 3/20/02 11:03 AM Page 180 Chapter 4 Figure 4-27. SqlConnection and SqlDataAdapter shown in the form designer Step 4: Setting and Reviewing Data Adapter Properties OK, now that you have a DataAdapter on your form, let’s take a look at the SqlDataAdapter component properties.

NET After adding the DataSet, the designer creates an XSD (XML schema) file and adds it to your project area. xsd is empty. Figure 4-51. NET Next, drop a table (or multiple tables) from the Server Explorer to the form (see Figure 4-52). 205 933ch4 3/20/02 11:03 AM Page 206 Chapter 4 Figure 4-52. xsd), which looks like Figure 4-53. Figure 4-53. NET It also automatically adds the typed DataSet class that inherits from DataSet. As you can see in Figure 4-54, the myDS class contains members used to access data from the database.

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A programmer's guide to ADO. NET in C# by Mahesh Chand


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