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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"));

.NET Framework

Supported in: 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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