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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);
}

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
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