Using stored procedures

Use the following procedure to remove the adjustable headrests. 1. Pull the headrest up to the highest position. 2. Push and hold the lock knob. 3. Remove the headrest from the seat. 4. Store the headrest properly in a secure place so it is not loose in the vehicle. 5. Install and properly adjust the headrest before an occupant uses the seating position. Install 1. Align the headrest stalks with the holes in the seat. Make sure that the headrest is facing the correct direction. The stalk with the adjustment notches 1 must be installed in the hole with the lock knob...

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Thực hiện một SQL Server lưu trữ Thủ tục Bởi Sử dụng ActiveX Data Objects Nếu bạn đang làm một phát triển ADO với máy chủ của khách hàng đối với hậu phương, sau đó bạn có thể gọi thủ tục lưu trữ.

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[ Team LiB ] Recipe 8.11 Using a Single Stored Procedure to Update Multiple Changes to a SQL Server Database Problem You need to update a SQL Server 2000 database with changes to multiple rows in a DataSet by executing a single stored procedure.

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[ Team LiB ] Recipe 2.12 Retrieving Stored Procedure Return Values Using a DataReader Problem You are using a stored procedure to create a DataReader and need to get the return value. When you try to access the value, it is null. How can you access the return value?

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[ Team LiB ] Recipe 2.9 Returning an Output Parameter Using a DataReader Problem You want to access an output parameter returned by a stored procedure that you have used to create a DataReader. Solution Add a parameter

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[ Team LiB ] Recipe 6.13 Implementing Pessimistic Concurrency Without Using Database Locks Problem You need the safety of pessimistic locking without the overhead of database locks. Solution Use extra columns and stored procedures as shown in the following examples.

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[ Team LiB ] Recipe 10.13 Listing Installed OLE DB Providers Problem You need a list of the OLE DB providers installed on the machine running your code. Solution Use a SQL Server extended stored procedure or search the registry.

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[ Team LiB ] Recipe 9.10 Retrieving a Single Value from a Query Problem Given a stored procedure that returns a single value, you need the fastest way to get this data. Solution Use the ExecuteScalar( )

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[ Team LiB ] Recipe 9.8 Debugging a SQL Server Stored Procedure Problem Given an application that uses a SQL Server stored procedure that is causing errors, you need to debug the stored procedure. Solution Use Visual Studio .NET to debug SQL Server stored procedures

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[ Team LiB ] Recip 6.4 Using ADO.NET and SQL Server DBMS Transactions Together Problem You need to use a DBMS transaction within a SQL Server stored procedure from an ADO.NET transaction with the SQL Server .NET data provider.

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[ Team LiB ] Recipe 4.9 Getting Stored Procedure Parameter Information at Runtime Problem You want to get information about the parameters used by a stored procedure at runtime. Solution Use DeriveParameters( ) method of the CommandBuilder.

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[ Team LiB ] Recipe 8.5 Reading XML Data Directly from SQL Server Problem You need to read XML data directly from the SQL Server. Solution Use the FOR XML clause in the stored procedure or SQL statement. The C# code is shown in Example 8-8. Example 8-8. File

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[ Team LiB ] Recipe 2.10 Raising and Handling Stored Procedure Errors Problem You want to catch and handle an error raised from a stored procedure. Solution Use a try . . . catch block to catch serious errors. Use the SqlConnection.InfoMessage event handler to catch informational and warning messages.

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[ Team LiB ] Recipe 2.14 Passing Null Values to Parameters Problem You need to pass a null value to a parameter. Solution Use the System.DbNull.Value static value. The sample code, as shown in Example 2-18, uses a single stored procedure

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Using Stored Procedures to Add, Modify, and Remove Rows from the Database You can get a DataAdapter object to call stored procedures to add, modify, and remove rows from the database.

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Setting the InsertCommand Property of a DataAdapter The following example creates a SqlCommand object named myInsertCommand that contains a call to the AddProduct4() stored procedure

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Executing SQL Server Stored Procedures In Chapter 4, you saw how to create and execute SQL Server stored procedures using TSQL. You execute a stored procedure using the T-SQL EXECUTE statement.

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