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OracleParameterCollection.Add Method (String, OracleType, Int32, String)

Adds an OracleParameter to the OracleParameterCollection given the parameter name, data type, column length, and source column name.

Namespace: System.Data.OracleClient
Assembly: System.Data.OracleClient (in

public OracleParameter Add (
	string parameterName,
	OracleType dataType,
	int size,
	string srcColumn
public OracleParameter Add (
	String parameterName, 
	OracleType dataType, 
	int size, 
	String srcColumn
public function Add (
	parameterName : String, 
	dataType : OracleType, 
	size : int, 
	srcColumn : String
) : OracleParameter



The name of the parameter.


One of the OracleType values.


The length of the column.


The name of the source column.

Return Value

The index of the new OracleParameter object.

The following example creates an OracleParameterCollection, adds an instance of OracleParameter to the collection, and returns a reference to the new OracleParameter.

public void CreateOracleParamColl(OracleConnection connection) 
    OracleCommand command = new OracleCommand(
        "SELECT Ename, DeptNo FROM Emp WHERE EmpNo = :pEmpNo", connection);
    OracleParameterCollection paramCollection = command.Parameters;
    OracleParameter parameter = paramCollection.Add(
        "pEmpNo", OracleType.Number, 5, "EmpNo");

Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.

.NET Framework

Supported in: 2.0, 1.1