NumberMappings Property (OracleConnection)

In This Topic

Gets or sets the collection of number mappings used for this connection.

Syntax

Visual Basic
C#

'Declaration
 
Public ReadOnly Property NumberMappings As OracleNumberMappingCollection

public OracleNumberMappingCollection NumberMappings {get;}

Property Value

A OracleNumberMappingCollection object representing the number mappings.

Remarks

Allows you to override default number mapping rules for the connection. Default value is an empty collection, which means to use default rules. Default rules are the following

Precision	Scale	.NET type
1 - 9	0	System.Int32
10 - 15	0	System.Double
> 15	0	System.Decimal
1 - 15	> 0	System.Double
> 15	> 0	System.Decimal

Example

This sample demonstrates how to override default number mapping rules.

csharp

OracleConnection oracleConnection = new OracleConnection();

// Map NUMBER(10)..NUMBER(18)  to Int64
oracleConnection.NumberMappings.Add(OracleNumberType.Integer, 10, 18, typeof(Int64)); 

// Map NUMBER(1)  to Boolean
oracleConnection.NumberMappings.Add(OracleNumberType.Integer, 1, typeof(bool));

Visual Basic

Dim oracleConnection as New OracleConnection

' Map NUMBER(10)..NUMBER(18)  to Int64
oracleConnection.NumberMappings.Add(OracleNumberType.Integer, 10, 18, GetType(Int64))

' Map NUMBER(1)  to Boolean
oracleConnection.NumberMappings.Add(OracleNumberType.Integer, 1, GetType(Boolean))

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

OracleConnection Class
OracleConnection Members
OracleNumberMappingCollection Class

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