... 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. These procedures ... you'll see how to • Create the required stored procedures in the Northwind database. • Set up a DataAdapter to call the stored procedures. • Add, modify, and remove a DataRow to from a DataTable. ... also improve performance. You should use stored procedures if your database supports them. SQL Server and Oracle support stored procedures. Oracle stored- procedures are written in PL/SQL. The...
... to change to Added, which indicates myNewDataRow has been added to myDataTable. Finally, mySqlDataAdapter.Update() is called to push the new row to the database. The AddProduct4() storedprocedure ... storedprocedure is run toadd the new row to the Products table. The database then generates a new ProductID for the row, which is then returned by the AddProduct4() stored procedure. You can then ... 3: use the Add( ) method through the Rows property // toadd the new DataRow to the DataTable Console.WriteLine("Calling myDataTable.Rows .Add( )"); myDataTable.Rows .Add( myNewDataRow);...
... loại extend stored procedure được xem như system storedprocedure và ngược lại. 5. Remote StoredProcedure : Những storedprocedure gọi stored procedure ở server khác. Viết Stored Procedure ... sau về Stored Procedure: Ðể tạo một stored procedure bạn có thể dùng Enterprise Manager click lên trên StoredProcedure -> New StoredProcedure Trong ví dụ này ta sẽ tạo ra một storedprocedure ... customer. Insert this customer to the databaseBEGINSET @CustomerID= (SELECT Max(CustomerID) FROM Customers)SET @CustomerID=@CustomerID+1INSERT INTO Customers VALUES(@CustomerID,@CustomerName)If...
... sql;command.Parameters.AddWithValue("@Ma",txtMaHS.Text.Trim());command.Parameters.AddWithValue("@Ten",txtTenHS.Text.Trim());command.Parameters.AddWithValue("@Ns",dtNgaySinh.Value);command.Parameters.AddWithValue("@Dc",txtDiaChi.Text.Trim());command.Parameters.AddWithValue("@Diem",txtDiemTB.Text.Trim());command.Parameters.AddWithValue("@Lop",cboLop.SelectedValue.ToString());command.ExecuteNonQuery();5. Thực thi thông qua các Stored procedure a. Cách tạo Stored Procedure - Tạo mới Stored Procedure, chọn New Stored Procedure 6Hướng ... dụng được cách thực thi các câu lệnh SQL thông qua Stored Procedure. o StoredProcedure không có kết quả trả về (parameter input)o StoredProcedure có kết quả trả về (parameter output)2. ... thực hành NMCNPM - Tạo StoredProcedure thêm mới thông tin một học sinh như sau:7Hướng dẫn thực hành NMCNPM HƯỚNG DẪN THỰC HÀNH TUẦN 9Chủ đề: Gọi thực thi Stored Procedure 1. Mục đích-...
... CDROM 70 NCT F2 Q10Return9. Using VB 6 or VB.NET to execute the ‘AddNewOrder’ storedprocedure 10. Using xp_cmdshell extended storedprocedureto send a message (xp_cmdshell ‘net send Hello’)Tungvn40@yahoo.com ... @CustomerID smallintBEGIN TRANSACTIONIf not Exists(SELECT CustomerID FROM Customers WHERE [Name]=@CustomerName)BEGINSET @CustomerID= (SELECT Max(CustomerID) FROM Customers)SET @CustomerID=@CustomerID+1INSERT ... @CustomerID= (SELECT Max(CustomerID) FROM Customers)SET @CustomerID=@CustomerID+1INSERT INTO Customers VALUES(@CustomerID,@CustomerName)If Exists(SELECT OrderID FROM [Orders] WHERE OrderID=@OrderID)BEGINSELECT...
... the object acted upon by the stored procedure. This situation is very similar to testing stored procedures that return a SQL rowset object.CommentsMany stored procedures affect an underlying ... of testing stored procedures often changes thedatabase containing the stored procedures (because stored procedures often insert, update,or delete data), you certainly do not want to run tests ... So, a good approach is to write an auxiliary stored procedure in your test harness script to handle the task of resetting the database statebefore each call to the storedprocedure under test:if...
... extend storedprocedure được xem như system storedprocedure và ngược lại. 5. Remote StoredProcedure : Những storedprocedure gọi storedprocedure ở serverkhác. 6.4.3. Viết Stored Procedure Tên ... một stored procedure. Chúng ta hãy xem một ví dụsau về Stored Procedure: Ðể tạo một storedprocedure bạn có thể dùng Enterprise Managerclick lên trên StoredProcedure -> New StoredProcedure ... Ngoài ra storedprocedure cóthể được encrypt (mã hóa) để tăng cường tính bảo mật. 6.4.2. Các Loại StoredProcedure Stored procedure có thể được chia thành 5 nhóm như sau:1. System Stored Prcedure...
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... extend storedprocedure được xem như system storedprocedure và ngược lại. 5. Remote StoredProcedure : Những storedprocedure gọi storedprocedure ở server khác. 6.4.3. Viết Stored Procedure Tên ... một stored procedure. Chúng ta hãy xem một ví dụ sau về Stored Procedure: Ðể tạo một storedprocedure bạn có thể dùng Enterprise Manager click lên trên StoredProcedure -> New Stored Procedure ... phân biệt từng phần).BEGINSET @CustomerID= (SELECT Max(CustomerID) FROM Customers)SET @CustomerID=@CustomerID+1INSERT INTO Customers VALUES(@CustomerID,@CustomerName)If Exists(SELECT OrderID...
... Server StoredProcedure Problem Given an application that uses a SQL Server storedprocedure that is causing errors, you need to debug the stored procedure. Solution Use Visual Studio .NET to ... Right-click on the storedprocedureto be debugged and select Step Into Stored Procedure from the popup menu. 6. If requested, supply the parameter values on the Run StoredProcedure dialog. ... Alternatively, if the storedprocedure is already open in a source window in Visual Studio .NET: 1. Right-click on the storedprocedureto be debugged and select Step Into Stored Procedure from the...
... be the name of the stored procedure, called CustOrdersHist. You can see the T-SQL for CustOrderHist in Listing A.7. This storedprocedure returns product names and the total quantity purchased ... given customer. Listing A.7 Northwind SQL Server Database: T-SQL for the StoredProcedure Called CustOrdersHist ALTER PROCEDURE CustOrderHist @CustomerID nchar(5) AS SELECT ProductName, Total=SUM(Quantity) ... this routine, called UseAStoredProcedureWithAParameter, in Listing A.8. Listing A.8 basCommandExamples.vb: Calling a StoredProcedure By Using Parameters Sub UseAStoredProcedureWithAParameter(ByVal...
... Define a storedprocedure command and the parameters. SqlCommand cmd = new SqlCommand("SP0210_Raiserror", conn); cmd.CommandType = CommandType.StoredProcedure; cmd.Parameters .Add( "@Severity", ... " + e.Message; } Discussion Errors and messages are returned from a SQL Server storedprocedureto a calling application using the RAISERROR (note the spelling) function. The error message ... function, look up RAISERROR in SQL Server Books Online. [ Team LiB ] // Try to execute the stored procedure. cmd.ExecuteNonQuery( ); } catch(System.Data.SqlClient.SqlException ex)...
... InputOutput The parameter is both an input and output parameter, allowing the caller to pass a data value to the storedprocedure and the storedprocedureto pass a data value back to the ... allowing the storedprocedureto pass a data value back to the caller. ReturnValue The parameter represents the value returned from the stored procedure. Return parameters from the storedprocedure ... DataReader to obtain a return value. [ Team LiB ] [ Team LiB ] Recipe 2.12 Retrieving StoredProcedure Return Values Using a DataReader Problem You are using a storedprocedure to...