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OleDbParameterCollection.Add Method (String, OleDbType, Int32, String)

Adds an OleDbParameter to the OleDbParameterCollection given the parameter name, data type, column length, and source column name.

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

public OleDbParameter Add(
	string parameterName,
	OleDbType oleDbType,
	int size,
	string sourceColumn
)

Parameters

parameterName
Type: System.String

The name of the parameter.

oleDbType
Type: System.Data.OleDb.OleDbType

One of the OleDbType values.

size
Type: System.Int32

The length of the column.

sourceColumn
Type: System.String

The name of the source column.

Return Value

Type: System.Data.OleDb.OleDbParameter
The index of the new OleDbParameter object.

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

public void CreateParameters(OleDbConnection connection) 
{
    OleDbCommand command = new OleDbCommand(
        "SELECT * FROM Customers WHERE CustomerID = ?", connection);
    OleDbParameterCollection paramCollection = command.Parameters;
    OleDbParameter parameter = paramCollection.Add(
        "CustomerID", OleDbType.VarChar, 5, "CustomerID");
}

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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