Connecting Oracle database instances through ASP.net tutorial
For a long time, I have been using the MS SQL server/access database, access to Ms Home through. NET almost nothing trouble. In the recent project, Oracle was used as a database to learn
oracle| Data | database | database connection using System;
Using System.Data;
Using System.Data.OracleClient;
Class Sample
{
public static void Main ()
{
String myConnString = "User Id=zk;data source=zkqx;password=*****";
OracleConnection
1. Import Reference System.Data.OracleClient.dll file
2, in the head using System.Data.OracleClient;
To read data through a dataset:
To create a connection to a database
OracleConnection oracon=new oracleconnection ("User Id=112;data
Data #region Using
Using System;
Using System.Configuration;
Using System.Data;
Using Oracle.DataAccess.Client;
#endregion
Namespace WIS. Base.data{/// filename :DbObject.cs function Description : Data-tier base class, providing basic operations on
asp.net|oracle| Access | data | Database Introduction
The Microsoft. NET Framework Data Provider for Oracle (named. NET for Oracle) is a component of the. NET Framework. This component is used for us. NET access to Oracle databases provides great
Using OracleClient in CentOS 6.x problem record in the ASP.net MVC 4 on Mono
Objective
Recently, there is a Web project, the business function is not complex, but this customer (a government department) has two hard requirements: 1, the database
Data | Database The following example creates a OracleConnection and a oracletransaction. It also demonstrates how to use the BeginTransaction, Commit, and Rollback methods.
public void Runoracletransaction (String myconnstring)
{
OracleConnection
Data | Database when initializing the SqlTransaction class, you need to use the Begintranscation () method of the SqlConnection class:
SqlTransaction Mytran; Mytran=myconn.begintransaction ();
This method returns a variable of type sqltransaction.
ado| Data | database | database connection
In MSDN, the. NET database connection strings are described in detail, and I'll list them here in code example, and the meaning of each representative can be reviewed in MSDN.
Database connection mode in
First you need to install LR. NET add-in, write code in the development environment, do a database connection, and then invoke the Execute stored procedure.
After installing, open the program, you should see the menu bar more than one:
Then add an
ado| Data | database | database connection | Microsoft in MSDN, the. NET database connection string is described in detail, and I have a list of examples in code, each of which can refer to MSDN for a specific purpose.
Database connection mode in
oracle| Data | Database connects Oracle with OracleConnection
Configure
public System.Data.OracleClient.OracleConnection CNN;
Open a database connection
public void Open ()
{
Cnn=new OracleConnection
Introduction to Database Transactions
A database transaction is a logical unit of work that consists of a set of SQL statements. You can think of a transaction as an irreducible set of SQL statements that are permanently recorded in the database or
Data | data sources
A dataset is often used as a data source for a control in code writing, and a control can only bind to one data source. If you want to bind the results of multiple query databases to a single control, you must populate the same
oracle| upload | upload pictures | data | database | Problems by using OLE DB to operate an Oracle database and successfully implement a BLOB-type field on a picture, but sometimes the problem of ORA-01036 errors is queried by the error prompt
This article mainly introduces the asp.net using the ODP-Oracle connection method of the anti-injection login verification program, the need for friends can refer to the
There are a lot of SQL connections on the Internet login authentication, but
oracle| Stored Procedures
Oracle Side1. Creating Oracle Process StorageCreate or Replace procedure Proce_test (paramin in Varchar2,paramout out varchar2,paraminout into out varchar2)AsVarparam VARCHAR2 (28);BeginVarparam:=paramin;paramout:=varparam|
Oracle|web| Notes | The program last mentioned basic configuration considerations and now begins to actually develop problems in Oracle
A connection to an Oracle database
But you installed the Oracle client, the database server has been specified
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