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DbConnection.Open Method

Definition

Namespace:
System.Data.Common
Assembly:
System.Data.Common.dll
Assemblies:
netstandard.dll, System.Data.Common.dll
Assembly:
System.Data.dll
Assembly:
netstandard.dll
Source:
DbConnection.cs
Source:
DbConnection.cs
Source:
DbConnection.cs
Source:
DbConnection.cs
Source:
DbConnection.cs

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

When overridden in a derived class, opens a database connection with the settings specified by the ConnectionString.

public:
 abstract void Open();
public abstract void Open();
abstract member Open : unit -> unit
Public MustOverride Sub Open ()

Implements

Remarks

This method must be overridden with user-defined behavior. SqlConnection.Open will throw an exception if called again without first being closed.

Applies to

See also


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