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SqlParameter Constructor (String, SqlDbType)

Initializes a new instance of the SqlParameter class that uses the parameter name and the data type.

Namespace:  System.Data.SqlClient
Assembly:  System.Data (in System.Data.dll)
public SqlParameter(
	string parameterName,
	SqlDbType dbType
)

Parameters

parameterName
Type: System.String

The name of the parameter to map.

dbType
Type: System.Data.SqlDbType

One of the SqlDbType values.

ExceptionCondition
ArgumentException

The value supplied in the dbType parameter is an invalid back-end data type.

The data type and, if appropriate, Size and Precision are inferred from the value of the dbType parameter.

The following example creates a SqlParameter and sets some of its properties.

private static void AddSqlParameter(SqlCommand command, string paramValue)
{
    SqlParameter parameter = new SqlParameter("@Description", SqlDbType.VarChar);
    parameter.IsNullable = true;
    parameter.Direction = ParameterDirection.Output;
    parameter.Size = 88;
    parameter.Value = paramValue;

    command.Parameters.Add(parameter);
}

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows Phone 8.1, Windows Phone 8, 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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