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SqlParameterCollection.Add Method (SqlParameter)

Adds the specified SqlParameter object to the SqlParameterCollection.

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

public SqlParameter Add(
	SqlParameter value


Type: System.Data.SqlClient.SqlParameter

The SqlParameter to add to the collection.

Return Value

Type: System.Data.SqlClient.SqlParameter
A new SqlParameter object.


The SqlParameter specified in the value parameter is already added to this or another SqlParameterCollection.


The parameter passed was not a SqlParameter.


The value parameter is null.

public void AddSqlParameter(SqlCommand command) 
    command.Parameters.Add(new SqlParameter("Description", "Beverages"));

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC

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

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 3.5, 2.0, 1.0