ConnectionString Property
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IDbConnection.ConnectionString Property


Gets or sets the string used to open a database.

Namespace:   System.Data
Assembly:  System.Data (in System.Data.dll)

string ConnectionString { get; set; }

Property Value

Type: System.String

A string containing connection settings.

The ConnectionString property can be set only while the connection is closed.

The following example creates an instance of a derived class, OleDbConnection, sets its ConnectionString, and displays its State.

public void CreateOleDbConnection(){
   OleDbConnection connection = new OleDbConnection();
   connection.ConnectionString = 
       "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=Northwind.mdb";
   Console.WriteLine("Connection State: " + connection.State.ToString());

.NET Framework
Available since 1.1
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