System.Data.Common.DbParameter
namespace System.Data.Common
{
public abstract class DbParameter : MarshalByRefObject, IDataParameter, IDbDataParameter
{
public abstract DbType DbType { get; set; }
public abstract ParameterDirection Direction { get; set; }
public abstract bool IsNullable { get; set; }
public abstract string ParameterName { get; set; }
public virtual byte Precision { get; set; }
public virtual byte Scale { get; set; }
public abstract int Size { get; set; }
public abstract string SourceColumn { get; set; }
public abstract bool SourceColumnNullMapping { get; set; }
public virtual DataRowVersion SourceVersion { get; set; }
public abstract object Value { get; set; }
protected DbParameter();
public abstract void ResetDbType();
}
}