This link provides how to validate Entity Framework data validation in different ways.
Manas Mohapatra
Connection pooling significantly reduces the overhead associated with creating and destroying database connections.
Avinash Vajpayee
ConnectionStrings.com help developers connect software to data
Manoj Bhoir
You find here any connectionString you will be in need.
Ramsis
ADO.NET Entity Framework provides a strongly-typed LINQ data access experience over relational databases, including direct, efficient access to SQL Server.
Mahesh Chand
The Entity Framework decreases the amount of coding and maintenance required for data-driven applications by enabling you to program against data models defined in terms of entities and relationshi...
Understand connection string and its members. The ConnectionString property of SqlConnection represents a connection string.
This sample illustrates how to produce XML from SQL Server using two different techniques.
Praveen Moosad
Database transactions are used to control data commitment to databases. For example, in standard account procedures, it is necessary to debit one account and credit another at the same time.
In addition to Try/Catch and exceptions, the new ADO.NET data architecture allows you to add error messages to each row of Data in a DataSet. SqlDataAdapters attach error messages to Rows if update...
A DataSet can contain either unrelated tables or related tables. You can think of a DataSet as a document of data. In fact, an XML data document is like this, except it is based on a hierarchical p...
ADO classic code provides late-bound access to values within its recordset through weakly typed variables. ADO.NET code enables you to access the data held in the DataSet through a "strongly typed"...
There are many ways to filter data. One way is to filter data at the database command level, using a where clause on your query. A second way is to filter the data after it is in the DataSet. This ...
This sample illustrates how to construct a pool of connections to a datasource. You will want to do this to deploy high-performance applications. In this example the pool is established in the conn...
This sample illustrates how to produce XML from SQL Server using two different techniques. The first uses the ExecuteXmlReader method of SqlCommand to get an XmlTextReader, which is then populated ...
This sample illustrates how to read data from an OLE DB provider using the OleDbDataReader class. This class provides a way of reading a forward-only stream of data records from a data source.
This sample illustrates how to read data from SQL Server using the SqlDataReader class.
This is an example of an ADO application that has been ported to .NET without the original graphical interface.
To issue a command against a database, the Command object must have two basic things: a Connection and CommandText, both of which can be set in the constructor.
Some stored procedures return values through parameters. When a parameter in a SQL statement or stored procedure is declared as "out", the value of the parameter is returned back to the caller; the...