/// <summary>
/// 获取指定对象字段的最大值
/// </summary>
/// <param name="Entity">实体</param>
/// <param name="FieldName">字段名</param>
/// <param name="Entityfactory">字段名</param>
/// <returns></returns>
public virtual Int64 GetMaxField(IEntityBase Entity, string FieldName, IEntityFactory Entityfactory)
{
Regex re = new Regex("^[0-9]*[1-9][0-9]*$");
Int64 i = -99999;
IDvTable dvt = Entityfactory.CreateDriveTable(Entity);
dvt.SetFilter(Operator.Fun_Max, FieldName);
DataSet ds = dvt.Select();
if (ds.Tables.Count > 0)
{
if (re.IsMatch(ds.Tables[0].Rows[0][0].ToString()))
{
i = Int64.Parse(ds.Tables[0].Rows[0][0].ToString());
}
}
if (i == -99999)
{
i = 0;
}
return(i);
}
