SqlConnection Constructor()

In This Topic

Initializes a new instance of the SqlConnection class.

Syntax

Visual Basic
C#

'Declaration
 
Public Function New()

public SqlConnection()

Remarks

When a new instance of SqlConnection is created, the read/write properties are set to the following initial values unless they are specifically set using their associated keywords in the ConnectionString property.

Properties	Initial Value
ConnectionString	empty string ("")
ConnectionTimeout	15
Password	empty string ("")
UserId	empty string ("")

Example

The following example creates and opens a SqlConnection.

csharp

public void CreateSqlConnection()
{
  SqlConnection myConnection = new SqlConnection();
  myConnection.ConnectionString = 
      "User Id=sa;Server=localhost;Initial Catalog=Test;";
  myConnection.Open();
  //Do something
  myConnection.Close();
}

Visual Basic

Public Sub CreateSqlConnection()
  Dim myConnection As New SqlConnection()
  myConnection.ConnectionString = _ 
      "User Id=sa;Server=localhost;Initial Catalog=Test;"
  myConnection.Open()
  'Do something
  myConnection.Close()
End Sub

Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

SqlConnection Class
SqlConnection Members
Overload List

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