beginning c 2008 databases from novice to professional

Beginning C# 2008 Databases From Novice to Professional phần 1 potx

... & color not accurate spine = 0.9682" 512 page countBooks for professionals By professionalsđ Beginning C# 2008 Databases: From Novice to Professional Dear Reader,This book focuses ... Databases The eXperTs Voiceđ in .neT Beginning C# 2008 Databases From Novice to Professional cyan MaGenTa yelloW Black panTone 123 c Vidya Vrat Agarwal and James HuddlestonRanga Raghuram, ... data to an application developed using C# 2008. As you work your way through this book, you get a chance to explore the concepts covered by creating sample applications in “Try It Out” sections,...

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... specific character stringmatches a specified pattern. A pattern can be created by using a combination of regularcharacters and wildcard characters. During pattern matching, regular characters ... this case, book titles such as C# 2008: An Introduction,” Accelerated C# 2008, and Beginning C# 2008 Databases will be listed.ã_ (underscore): A single underscore represents any single character. ... prompted to save changes to items.2. Again, click File ➤ Connect Object Explorer. In the Connect to Server dialog box,select <ServerName>\SQLEXPRESS as the server name and then click Connect.3....

Beginning C# 2008 Databases From Novice to Professional phần 3 doc

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... Wildcard CharactersWildcard Description% Any combination of characters. Where FirstName LIKE 'Mc%' selects all rows wherethe FirstName column equals McDonald, McBadden, McMercy, ... 96.CHAPTER 6 ■ USING STORED PROCEDURES 1019004ch06final.qxd 12/13/07 4:16 PM Page 101 9004ch06final.qxd 12/13/07 4:16 PM Page 118 // specify stored procedure to executecmd.CommandType = CommandType.StoredProcedure;cmd.CommandText ... click Execute. You should see the message “Com-mand(s) completed successfully” in the results window.create procedure sp_Orders_By_EmployeeId@employeeid intasselect orderid, customeridfrom...

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... savings account. This involves two operations: deducting money from the checking account and adding it to the savings account. Both must succeedtogether and be committed to the accounts, or ... open the connection, you create a transaction. Note that transactions are con-nection specific. You can’t create a second transaction for the same connection beforecommitting or rolling back the ... the following query and clickExecute:SELECT Cust.CustomerID,OrderHeader.CustomerID,OrderHeader.SalesOrderID,OrderHeader.Status,Cust.CustomerType FROM Sales.Customer Cust, Sales.SalesOrderHeaderOrderHeaderWHERE...

Beginning C# 2008 Databases From Novice to Professional phần 5 potx

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... bold code to the try block of Listing 11-1.try{// open connectionconn.Open();// connect command to connectioncmd.Connection = conn;Console.WriteLine("Connnected command to this connection.");}2. ... Connection ConstructorIn the ConnectionSql project, you created the connection and specified the connectionstring in separate steps. Since you always have to specify a connection string, you canuse ... {0}", cmd.ExecuteScalar());}catch (SqlException ex){Console.WriteLine(ex.ToString());}finally{conn.Close();Console.WriteLine("Connection Closed.");}}}}3. Make CommandScalar...

Beginning C# 2008 Databases From Novice to Professional phần 6 ppt

Danh mục: Cơ sở dữ liệu

... = @"selectcompanyname,contactname from customerswherecontactname like 'M%'";// create connectionSqlConnection conn = new SqlConnection(connString);CHAPTER 12 ■ USING ... @"select* from employees";// create connectionSqlConnection conn = new SqlConnection(connString);try{conn.Open();SqlCommand cmd = new SqlCommand(sql, conn);SqlDataReader rdr = cmd.ExecuteReader();// store Employees ... 2439004ch12final.qxd 12/13/07 4:07 PM Page 243 // querystring sql = @"selectproductname,unitprice,unitsinstock,discontinued from products";// create connectionSqlConnection conn...

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... properties in ascending order by name from “a” to “z.”You can switch to the Alphabetical view by clicking the icon located at the second posi-tion from the left of the toolbar shown in the top of the ... (@firstname,@lastname,@titleofcourtesy,@city,@country)";// create connectionSqlConnection conn = new SqlConnection(connString);try{// create data adapterSqlDataAdapter da = new SqlDataAdapter();da.SelectCommand ... spaced to create visual appealand ease of accessibility.ConsistencyYour userinterface should exhibit a consistent design across each form in your applica-tion. An inconsistent design can...

Beginning C# 2008 Databases From Novice to Professional phần 8 potx

Danh mục: Cơ sở dữ liệu

... source, message, and stack trace for the exception. With-out this specific catch clause, the generic catch clause will handle the exception. (Trycommenting out this catch clause and reexecuting ... way to cause an ADO.NET exception. You specify the command is for a storedprocedure call, but you don’t specify the stored procedure to call:// specify that a stored procedure is to be executedcmd.CommandType ... commandSqlCommand cmd = conn.CreateCommand();// specify that a stored procedure is to be executedcmd.CommandType = CommandType.StoredProcedure;cmd.CommandText = "sp_Select_All_Employees";try{//...

Beginning C# 2008 Databases From Novice to Professional phần 9 ppt

Danh mục: Cơ sở dữ liệu

... i++){loader.ExecuteInsertImages(i);}}catch (SqlException ex){Console.WriteLine(ex.ToString());}finally{loader.CloseConnection();}}void OpenConnection(){// create connectionconn = new SqlConnection(@"server ... the mouse to provide input to theseapplications. Whatever users do using input devices gets translated into events that arerecognized and thus cause certain actions to occur. Clicking by using ... texttable");ExecuteCommand(@"create table texttable(textfile varchar(255),textdata varchar(max))");}void OpenConnection(){// create connectionconn = new SqlConnection(@"data source...

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... 178–183Odbc namespace, 177OdbcCommand class, 177OdbcConnection class, 183OdbcDataAdapter class, 184OdbcDataReader class, 177OdbcError class, 177OdbcParameter class, 177OdbcTransaction class, ... Database Connectivity), 159Odbc class, 186ODBC data provider, 177–187creating Console Application with,184–186creating ODBC data source, 178–183ODBC data source, creating with ODBCdata provider, ... nameNorthwindEntitiesConnectionString in the App.config file, and then open the connection.EntityConnection connection = newEntityConnection("name=NorthwindEntitiesConnectionString");connection.Open();After...

Beginning C# 2005 Databases From Novice to Professional phần 1 docx

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... to use it to access databases from C# . You’ll even learn how to write stored procedures andcall them from C# programs. You’ll learn much more besides. Our focus isalways on fundamental concepts ... Next.CHAPTER 1 ■ GETTING OUR TOOLS 3Figure 1-2. VCSE WelcomeFigure 1-3. VCSE End-User License Agreement777Xch01final.qxd 11/18/06 3:45 PM Page 3 Beginning C# 2005 Databases: From Novice to Professional Copyright ... SeymourCopy Edit Manager: Nicole FloresCopy Editors: Nicole Abramowitz, Liz WelchAssistant Production Director: Kari Brooks-CoponyProduction Editor: Janet VailCompositor: Linda Weidemann, Wolf Creek...

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... of connectivity before you reach the data source. Just as OLEDB is there to connect to a large number of data sources, an older data access technol-ogy, ODBC, is still there to connect to even ... Right-click the Program.cs file and rename it to SqlServerProvider.cs. Whenprompted to rename all references to Program, you can click either Yes or No.4. Since you’ll be creating this example from ... @"select* from employees";// Declare connection and data reader variablesSqlConnection conn = null;SqlDataReader reader = null;try{// Open connectionconn = new SqlConnection(connString);conn.Open();// Execute...

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... command’sConnection property that they become associated:// connect command to connectioncmd.Connection = conn;Console.WriteLine("Connected command to this connection.");The actual ... and Connection ClassesData Provider Namespace Connection ClassODBC System.Data.Odbc OdbcConnectionOLE DB System.Data.OleDb OleDbConnectionOracleSystem.Data.OracleClientOracleConnectionSQL ... connectionconn.Open();// connect command to connectioncmd.Connection = conn;Console.WriteLine("Connnected command to this connection.");}2. Run it with Ctrl+F5. You should see the...

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... @"selectcontactname from customers";// create connectionSqlConnection conn = new SqlConnection(connString);try{// open connectionconn.Open();// create commandSqlCommand cmd = new ... Add a new C# Console Application project named TypedAccessors to yourChapter07 solution. Rename Program.cs to TypedAccessors.cs.2. Replace the code in TypedAccessors.cs with the code in Listing ... @"select* from employees";// create connectionSqlConnection conn = new SqlConnection(connString);try{conn.Open();SqlCommand cmd = new SqlCommand(sql, conn);SqlDataReader rdr = cmd.ExecuteReader();//...

Beginning C# 2005 Databases From Novice to Professional phần 5 doc

Danh mục: Kỹ thuật lập trình

... @"selectproductname,unitprice from productswhereunitprice < 20";// create connectionSqlConnection conn = new SqlConnection(connString);try{// open connectionconn.Open();// create ... querystring sql = @"selectcontactname,country from customers";// create connectionSqlConnection conn = new SqlConnection(connString);try{// Create data adapterSqlDataAdapter ... should call the RefreshSchema method on the commandbuilder to refresh the metadata accordingly. To create a command builder, you create an instance of the data provider’s com-mand builder class,...