This method indicates whether or not an OracleParameter object exists in the collection using the supplied string.

Declaration

// C#
public override bool Contains(string name);

Parameters

• name

  The name of OracleParameter object.

Return Value

Returns true if the collection contains the OracleParameter object with the specified parameter name; otherwise, returns false.

Implements

IDataParameterCollection

Example

// C#
 
using System;
using Oracle.DataAccess.Client;
 
class ContainsSample
{
  static void Main()
  {
    OracleCommand cmd = new OracleCommand();
 
    // Add parameter to the OracleParameterCollection
    OracleParameter prm = cmd.Parameters.Add("MyParam", OracleDbType.Decimal);
 
    // Check if the OracleParameterCollection contains "MyParam"
    bool bContains = cmd.Parameters.Contains("MyParam");
 
    // Prints "bContains = True"
    Console.WriteLine("bContains = " + bContains);
 
    // Check if the OracleParameterCollection contains "NoParam"
    bContains = cmd.Parameters.Contains("NoParam");
 
    // Prints "bContains = False"
    Console.WriteLine("bContains = " + bContains);
 
    prm.Dispose();
    cmd.Dispose();
  }
}