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IDbCommand.Parameters Property

Gets the IDataParameterCollection.

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

IDataParameterCollection Parameters { get; 
/** @property */
IDataParameterCollection get_Parameters ()

function get Parameters () : IDataParameterCollection

Property Value

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);


Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, 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, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0

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