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IDbCommand.Parameters Property

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

IDataParameterCollection Parameters { get; }

Property Value

Type: System.Data.IDataParameterCollection
The parameters of the SQL statement or stored procedure.

The following example creates an instance of the derived class, SqlCommand, and displays its parameters. In the example, the application passes a SqlConnection, a query string that is a Transact-SQL SELECT statement, and an array of SqlParameter objects.

public void CreateSqlCommand(SqlConnection myConnection,
    string queryString, SqlParameter[] paramArray) 
{
    SqlCommand command = new SqlCommand(queryString, myConnection);
    command.CommandText = 
        "SELECT CustomerID, CompanyName FROM Customers " 
        + "WHERE Country = @Country AND City = @City";    
    command.Parameters.Add(paramArray);

    for (int j=0; j<paramArray.Length; j++)
    {
        command.Parameters.Add(paramArray[j]) ;
    }

    string message = "";
    for (int i = 0; i < command.Parameters.Count; i++) 
    {
        message += command.Parameters[i].ToString() + "\n";
    }
    Console.WriteLine(message);
}

.NET Framework

Supported in: 4.5.3, 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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